CN116927761B - Optical fiber sensor logging-while-drilling device - Google Patents
Optical fiber sensor logging-while-drilling device Download PDFInfo
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- CN116927761B CN116927761B CN202311197487.2A CN202311197487A CN116927761B CN 116927761 B CN116927761 B CN 116927761B CN 202311197487 A CN202311197487 A CN 202311197487A CN 116927761 B CN116927761 B CN 116927761B
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- protection box
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 84
- 238000005553 drilling Methods 0.000 title claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 56
- 238000005192 partition Methods 0.000 claims description 10
- 239000000835 fiber Substances 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 description 11
- 244000309464 bull Species 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000670 limiting effect Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/01—Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
- E21B47/017—Protecting measuring instruments
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- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Geophysics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention relates to the technical field of optical fiber sensors, and discloses an optical fiber sensor logging-while-drilling device, which comprises a protection box, wherein a capping assembly is arranged at the top of the protection box, the lower end of the outer surface of the protection box is fixedly connected with an annular strip, the inner surface of the annular strip is contacted with an annular plate, the outer surface of the annular plate is provided with an opening, the top of the annular plate is contacted with a first sealing cover plate, and the first sealing cover plate is fixedly connected with the outer surface of the protection box. According to the invention, through the protection box, the positioning baffle plate and the concave block are contacted with the outer surface of the optical fiber sensor, and simultaneously the positioning baffle plate and the concave block can move outwards simultaneously under the influence of the reaction force, the first spring is extruded when the positioning baffle plate moves outwards, and the positioning baffle plate can extrude the optical fiber sensor by means of the elastic force of the first spring, so that the optical fiber sensor is prevented from being damaged due to the influence of external reasons, and the stability of the optical fiber sensor in the protection box is improved.
Description
Technical Field
The invention relates to the technical field of optical fiber sensors, in particular to an optical fiber sensor logging-while-drilling device.
Background
The optical fiber sensor is a sensor for converting the state of a detected object into a measurable optical signal; the working principle of the optical fiber sensor is that the light beam incident by the light source is sent into the modulator through the optical fiber, and the interaction with the external measured parameter in the modulator changes the optical properties of the light such as the intensity, wavelength, frequency, phase, polarization state and the like of the light to become a modulated optical signal, and then the modulated optical signal is sent into the photoelectric device through the optical fiber and the measured parameter is obtained after the optical signal is sent into the demodulator;
although the current optical fiber sensor can work under high pressure, electrical noise, high temperature, corrosion and most severe environments, the resistance of the optical fiber sensor to the severe environments is reduced along with the increase of working time, if the problem that the optical fiber sensor cannot be used due to damage caused by the occurrence of underground damage of a drill bit is solved, the optical fiber sensor needs to be taken out of the well and then maintained, the optical fiber sensor needs to be replaced when the damage is serious, the cost consumption is increased during the maintenance and the replacement, and the work cannot be carried out again during the maintenance, so that the optical fiber sensor is protected, the damage frequency of the optical fiber sensor is reduced, and the optical fiber sensor device while drilling is proposed.
Disclosure of Invention
The invention aims to provide a fiber sensor logging-while-drilling device so as to solve the problems in the background technology.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to an optical fiber sensor logging-while-drilling device which comprises a protection box, wherein a capping assembly is arranged at the top of the protection box, an annular strip is fixedly connected to the lower end of the outer surface of the protection box, the annular strip can limit the position of an annular plate, the annular strip can further limit the position of the annular plate by means of a first sealing cover plate, the protection of the fixing assembly can be achieved, the damage of the fixing assembly during the logging-while-drilling is avoided, the inner surface of the annular strip is contacted with the annular plate, an opening is formed in the outer surface of the annular plate, a first sealing cover plate is contacted at the top of the annular plate, the first sealing cover plate is fixedly connected with the outer surface of the protection box, a sealing bottom plate is arranged at the bottom of the protection box, and a fixing assembly is arranged at one side, which is close to the outer side of the protection box and the inner side of the annular plate;
the optical fiber sensor is inserted into the top of the optical fiber sensor, a connecting wire is inserted into the bottom of the optical fiber sensor, the monitored information can be transmitted to the optical fiber sensor through the connecting wire by means of the external environment monitor, the left side and the right side of the optical fiber sensor are contacted with positioning partition boards, grooves are formed in the left side and the right side of the inner wall of the placing groove, a first spring is fixedly connected in the grooves, one end of the first spring far from the grooves is fixedly connected with the side face of the positioning partition boards, the outer surfaces of one sides, close to each other, of the three optical fiber sensors are contacted with the inner wall of the placing groove, one sides, close to the concave blocks, of the optical fiber sensors are fixedly connected with connecting blocks, the lower end of the outer surface of the protecting box is fixedly connected with a circular plate, the bottom of the protecting box is provided with an opening, the opening position corresponds to the position of the optical fiber sensor, and the bottom of the connecting wire penetrates through the sealing bottom plate and extends to the outside; the sealing assembly comprises a second sealing cover plate, the bottom of the second sealing cover plate is in contact with the top of the protection box, a center block is fixedly connected to the top of the second sealing cover plate, concave strips are fixedly connected to the outer surface of the second sealing cover plate, square strips are fixedly connected to one sides of the concave strips, which are close to each other, square grooves are formed in one sides of the square strips, which are far away from the protection box, the outer surface of the protection box is in contact with the side surfaces of the square strips, the top of the connecting wire penetrates through the second sealing cover plate and extends to the outside, the effect of sealing the top of the protection box is achieved, muddy water is blocked outside the protection box, and the influence of muddy water entering the protection box to the optical fiber sensor is avoided.
Further, sealing bottom plate bottom and plectane bottom fixed connection, sealing bottom plate bottom fixedly connected with bed hedgehopping board, sealing bottom plate bottom axis department fixedly connected with cylinder piece, cylinder piece bottom fixedly connected with reinforcing plate, bed hedgehopping board bottom fixedly connected with connecting plate one, three one side fixedly connected with external environment monitor that connecting plate one is close to each other, external environment monitor is connected through the connecting wire with optical fiber sensor, reinforcing plate top and external environment monitor bottom fixed connection, bed hedgehopping board external surface fixedly connected with link, the one end and plectane external surface fixed connection of bed hedgehopping board are kept away from to the link can be fixed to the position of external environment monitor, rely on the reinforcing plate to increase the effect of fixing it simultaneously.
Further, the fixing component comprises a positioning shaft, the upper end and the lower end of the outer surface of the positioning shaft are fixedly connected with a fixing frame, the bottom of the fixing frame is positioned at the bottom and fixedly connected with a protection box, one side of the fixing frame, which is close to the protection box, is fixedly connected with a right-angle block, the middle shaft of the outer side of the positioning shaft is fixedly connected with a fixed block, the upper side and the lower side of the fixed block are fixedly connected with a combined board, the outer side of the fixed block is provided with a first rotating shaft, the upper end and the lower end of the first rotating shaft are fixedly connected with the combined board, the middle shaft of the outer surface of the first rotating shaft is rotatably connected with a second connecting plate, a first sliding groove is formed in the second connecting plate, one side, which is far away from the protection box, of the fixed block is provided with a blunt angle plate, the upper end and the lower end of the blunt angle plate are mutually contacted with the upper side and the lower side of the inner wall of the first sliding groove, the left end and the right end of the blunt angle plate are fixedly connected with clamping plates, the cardboard is close to one side and the two mutual contacts of connecting plate of obtuse angle board, the guard box outside is provided with the connecting rod, both ends and right angle piece fixed connection about the connecting rod, just the one end and the guard box surface fixed connection of mount are kept away from to the right angle piece, the one end inside fixedly connected with axis of rotation second is kept away from to the connecting plate second, through fixed subassembly, after square strip descends to the certain position, square strip surface and equilateral triangle piece contact, the equilateral triangle piece is to square mouth inside removal and to extrude the spring four when the position of equilateral triangle piece corresponds with square groove position, the equilateral triangle piece is released by the spring four and is blocked in square groove simultaneously, reaches the effect of fixing the second sealed apron position, avoids it to break away from with the guard box, relies on this kind of fixed mode fixed effect higher simultaneously.
Further, both ends surface rotation is connected with the rotating block about the axis of rotation two, the one end fixedly connected with square piece that the axis of rotation two was kept away from to the rotating block, square mouth has been seted up to inside the square piece, the one end fixedly connected with equilateral triangular block that the rotating block was kept away from to square piece, just equilateral triangular block bottom and square groove inner wall bottom contact each other, equilateral triangular block top and square mouth inner wall top contact each other, square piece surface has cup jointed spring two, spring two one end and equilateral triangular block fixed connection, just spring two other end and square mouth inner wall fixed connection, the axis of rotation two will stretch out through rotating block and square piece under the pulling of connecting plate two in square mouth, and equilateral triangular block and square groove contactless relation at this moment can be taken down its intercommunication second seal cover plate from the guard box top after square strip loses the restriction, has reached the effect of being convenient for take out and fix.
Further, the square piece is kept away from the one end of turning block and runs through the right angle piece and extends to square mouth inside, the circular slot has been seted up to connecting plate two inside, sliding connection has the sliding plate in the circular slot, sliding plate top fixedly connected with spring three, just spring three top and circular slot inner wall top fixed connection, the sliding plate is close to one side contact of obtuse angle board has the ball, the third circular slot has been seted up to the both sides about the obtuse angle board, the ball is kept away from the one end I surface of sliding plate and the mutual contact of third circular slot internal surface, the diameter distance of circular slot opening part is less than the internal diameter of circular slot, the height of cardboard is the same with the height of connecting plate two, relies on this kind of special settlement, can avoid the ball to be released from the circular slot under the influence of spring three to the ball can rotate in the circular slot.
Further, the vertical center pole that rotates in the inside axis department of guard box is connected with, center pole top fixedly connected with kicking block, just the kicking block top runs through second sealed apron and the mutual contact of center piece bottom, both sides fixedly connected with triangle piece about the center pole surface, two the one side fixedly connected with slender rod that the triangle piece is close to each other, slender rod surface rotation is connected with square board, square inboard sliding connection has the movable plate, square inboard is provided with spring four, four one end of spring and movable plate side fixed connection, just four other ends of spring and square inboard fixed connection, the arc piece can be with the push-and-pull rod to square inboard promote, and the movable plate slides and extrudees spring four to square inboard under the influence of push-and-pull rod, has reached when bearing pressure, can also rely on the reaction force that spring four gives to carry out the centre gripping firm to optical fiber sensor, the one end fixedly connected with push-and-pull rod of keeping away from spring four, the one end fixedly connected with arc piece of moving plate is kept away from to the push-and-pull rod, the inside rotation axis of rotation piece is inside fixedly connected with the arc piece, three end and the arc piece are kept away from to the inside rotation axis of rotation piece, three arc piece is kept away from with the arc and is connected with the arc.
Further, the inside locating lever that includes of concave type piece, the air tank has been seted up to concave type piece inside, the inside fixedly connected with air tank of locating lever transversely, locating lever outside sliding connection has the ejector pad, both ends are provided with the bull stick one about the ejector pad, both ends fixedly connected with arc one around the bull stick, both sides fixed connection about arc one and the ejector pad, the rotation of bull stick one outside is connected with the lever, lever axis department rotates and is connected with the inserted bar, both sides and air tank inner wall fixed connection around the inserted bar, the one end inside rotation that the bull stick was kept away from to the lever is connected with bull stick two, both ends fixedly connected with arc two around the bull stick two surface, the outer surface fixedly connected with T shape pole of arc, T shape pole relies on self special shape to set for can prescribe a limit to the shift position of semi-circular picture peg, avoid it can excessively stretch into in the connecting block, the one end fixedly connected with picture peg of arc two is kept away from to the T shape pole, semi-circular surface cup joints with connecting block inner surface, the locating lever outside has five springs, five springs are kept away from five springs and five inner walls of the fixed connection with the ejector pad, five inner wall and five side of the air sensor are kept away from each other.
The invention has the following beneficial effects:
(1) According to the invention, through the protection box, the positioning baffle plate and the concave block are contacted with the outer surface of the optical fiber sensor, and simultaneously the positioning baffle plate and the concave block can move outwards simultaneously under the influence of the reaction force, the first spring is extruded when the positioning baffle plate moves outwards, and the positioning baffle plate can extrude the optical fiber sensor by means of the elastic force of the first spring, so that the optical fiber sensor is prevented from being damaged due to the influence of external reasons, and the stability of the optical fiber sensor in the protection box is improved.
(2) According to the invention, through the protection box, when the pressure is received to a certain extent, the spring IV cannot bear the received extrusion force, the square plate pushes the thin rod and the triangular block to rotate by taking the center rod as the center, the optical fiber sensor can be further clamped and stabilized by the concave block, the stabilizing effect on the optical fiber sensor is greatly improved, the optical fiber sensors with different sizes can be stored in the protection box, and the overall practicability of the device is improved.
(3) According to the invention, through the concave block, after the position of the semicircular plugboard corresponds to the hole in the connecting block, the semicircular plugboard enters a part in the connecting block under the pushing of the spring five, so that the position limiting effect of the optical fiber sensor is improved again, even if the protection box is greatly impacted and rocked by external influence, the optical fiber sensor can be well protected, the problem that the optical fiber sensor is damaged is greatly reduced, the situation that the optical fiber sensor needs to be maintained due to damage is reduced, and the effect of reducing the cost is achieved.
(4) According to the invention, through the capping assembly, when the whole optical fiber sensor is placed in the protection box and is fixed, a worker places the second sealing cover plate at the top of the protection box, the square strip slowly moves downwards along the outer wall of the protection box until the square strip penetrates through the right-angle block, so that the effect of sealing the top of the protection box is achieved, and further, the condition that soil and water in a well can enter the protection box to corrode the optical fiber sensor is avoided.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of 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 that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the fixing assembly of the present invention;
FIG. 3 is a schematic view of the overall structure of the sealing bottom plate of the present invention;
FIG. 4 is a schematic view of the overall structure of the protection box of the present invention;
FIG. 5 is a schematic view of the structure of FIG. 6A in a partially enlarged manner according to the present invention;
FIG. 6 is a schematic view of the internal structure of a second connecting plate of the present invention;
FIG. 7 is a schematic view of the overall structure of the capping assembly of the present invention;
FIG. 8 is a schematic view of the overall structure of the sealing bottom plate of the present invention;
FIG. 9 is a schematic view showing the overall internal structure of the protective case of the present invention;
FIG. 10 is a schematic view of the structure of the part of the B in FIG. 9 in an enlarged manner according to the present invention;
fig. 11 is a schematic structural view of a concave block according to the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
in the figure: 1. a protection box; 101. an optical fiber sensor; 102. an electric wire; 103. a connecting block; 104. a circular plate; 105. a concave block; 31. a positioning rod; 32. a pushing block; 33. an arc-shaped plate I; 34. a first rotating rod; 35. a lever; 36. a rod; 37. a second rotating rod; 38. arc-shaped plate II; 39. a T-bar; 40. a semicircular plugboard; 106. a central rod; 107. triangular blocks; 108. a thin rod; 109. a square plate; 110. a moving plate; 111. a push-pull rod; 112. an arc-shaped block; 113. a third rotating shaft; 114. a concave block; 2. a capping assembly; 21. a second sealing cover plate; 22. a center block; 23. a concave strip; 24. square strips; 3. an annular strip; 4. an annular plate; 5. a first sealing cover plate; 6. sealing the bottom plate; 61. a raising plate; 62. a cylindrical block; 63. a reinforcing plate; 64. a first connecting plate; 65. an external environment monitor; 66. a connecting wire; 67. a connecting frame; 7. a fixing assembly; 71. positioning a shaft; 72. a fixing frame; 73. a right angle block; 74. a fixed block; 75. a combination board; 76. a first rotating shaft; 77. a second connecting plate; 771. a sliding plate; 772. a round bead; 78. a blunt angle plate; 79. a clamping plate; 80. a connecting rod; 81. a second rotating shaft; the method comprises the steps of carrying out a first treatment on the surface of the 811. A rotating block; 812. square blocks; 813. equilateral triangular blocks.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-11, the invention discloses an optical fiber sensor logging-while-drilling device, which comprises a protection box 1, wherein a capping component 2 is arranged at the top of the protection box 1, an annular strip 3 is fixedly connected to the lower end of the outer surface of the protection box 1, an annular plate 4 is contacted with the inner surface of the annular strip 3, an opening is arranged on the outer surface of the annular plate 4, a first sealing cover plate 5 is contacted with the top of the annular plate 4, the first sealing cover plate 5 is fixedly connected with the outer surface of the protection box 1, a sealing bottom plate 6 is arranged at the bottom of the protection box 1, and a fixing component 7 is arranged at one side, close to each other, of the outer side of the protection box 1 and the inner side of the annular plate 4;
the top of the protection box 1 is provided with a placing groove, an optical fiber sensor 101 is arranged in the placing groove, an electric wire 102 is inserted into the top of the optical fiber sensor 101, a connecting wire 66 is inserted into the bottom of the optical fiber sensor 101, the left side and the right side of the optical fiber sensor 101 are contacted with positioning partition plates, grooves are formed in the left side and the right side of the inner wall of the placing groove, a first spring is fixedly connected in the grooves, one end of the first spring far away from the grooves is fixedly connected with the side surface of the positioning partition plates, one side, close to each other, of the three optical fiber sensors 101 is contacted with a concave block 105, one side, far away from each other, of the three optical fiber sensors 101 is contacted with the inner wall of the placing groove, a connecting block 103 is fixedly connected with one side, close to the concave block 105, of the optical fiber sensor 101 is fixedly connected with a circular plate 104, an opening is formed in the bottom of the protection box 1, the opening position corresponds to the position of the optical fiber sensor 101, and the bottom of the connecting wire 66 penetrates through the sealing bottom plate 6 and extends to the outside; the capping assembly 2 comprises a second sealing cover plate 21, the bottom of the second sealing cover plate 21 is in contact with the top of the protection box 1, a center block 22 is fixedly connected to the top of the second sealing cover plate 21, concave strips 23 are fixedly connected to the outer surface of the second sealing cover plate 21, square strips 24 are fixedly connected to one sides, close to each other, of the three concave strips 23, square grooves are formed in one sides, far away from the protection box 1, of the square strips 24, the outer surface of the protection box 1 is in contact with the side surfaces of the square strips 24, and the top of a connecting wire 66 penetrates through the second sealing cover plate 21 and extends to the outside.
The bottom of the sealing bottom plate 6 is fixedly connected with the bottom of the circular plate 104, the bottom of the sealing bottom plate 6 is fixedly connected with a heightening plate 61, a middle shaft of the bottom of the sealing bottom plate 6 is fixedly connected with a cylindrical block 62, the bottom of the cylindrical block 62 is fixedly connected with a reinforcing plate 63, the bottom of the heightening plate 61 is fixedly connected with a first connecting plate 64, one side, close to each other, of the three first connecting plates 64 is fixedly connected with an external environment monitor 65, the external environment monitor 65 is connected with an optical fiber sensor 101 through a connecting wire 66, and the top of the reinforcing plate 63 is fixedly connected with the bottom of the external environment monitor 65;
the outer surface of the elevating plate 61 is fixedly connected with a connecting frame 67, and one end of the connecting frame 67 away from the elevating plate 61 is fixedly connected with the outer surface of the circular plate 104.
The fixing assembly 7 comprises a positioning shaft 71, the upper end and the lower end of the outer surface of the positioning shaft 71 are fixedly connected with a fixing frame 72, the bottom of the fixing frame 72 positioned at the bottom is fixedly connected with a protection box 1, one side of the fixing frame 72 close to the protection box 1 is fixedly connected with a right-angle block 73, the middle shaft position outside the positioning shaft 71 is fixedly connected with a fixing block 74, the upper side and the lower side of the fixing block 74 are fixedly connected with a combined plate 75, the outer side of the fixing block 74 is provided with a rotating shaft I76, the upper end and the lower end of the rotating shaft I are fixedly connected with the combined plate 75, the middle shaft position on the outer surface of the rotating shaft I76 is rotationally connected with a connecting plate II 77, a chute I is formed in the connecting plate II 77, one side of the fixing block 74 away from the protection box 1 is provided with an obtuse angle plate 78, the upper end and the lower end of the obtuse angle plate 78 are mutually contacted with the upper side and the lower side of the inner wall of the chute I, the left end and the right end of the obtuse angle plate 78 are fixedly connected with clamping plates 79, and one side of the clamping plates 79 close to the obtuse angle plate 78 are mutually contacted with the connecting plate II 77; the outside of the protection box 1 is provided with a connecting rod 80, the upper end and the lower end of the connecting rod 80 are fixedly connected with the right-angle block 73, one end of the right-angle block 73, which is far away from the fixing frame 72, is fixedly connected with the outer surface of the protection box 1, and one end of the connecting plate II 77, which is far away from the rotating shaft I76, is fixedly connected with a rotating shaft II 81.
The outer surfaces of the upper end and the lower end of the rotating shaft II 81 are rotationally connected with a rotating block 811, one end, far away from the rotating shaft II 81, of the rotating block 811 is fixedly connected with a square block 812, a square opening is formed in the right-angle block 73, one end, far away from the rotating block 811, of the square block 812 is fixedly connected with an equilateral triangular block 813, the bottom of the equilateral triangular block 813 is in contact with the bottom of the inner wall of the square groove, and the top of the equilateral triangular block 813 is in contact with the top of the inner wall of the square opening;
the outer surface of the square block 812 is sleeved with a second spring, one end of the second spring is fixedly connected with the equilateral triangular block 813, and the other end of the second spring is fixedly connected with the inner wall of the square opening.
One end of the square block 812, which is far away from the rotating block 811, penetrates through the right angle block 73 and extends into the square opening, a circular groove is formed in the second connecting plate 77, a sliding plate 771 is connected in the circular groove in a sliding manner, a spring III is fixedly connected to the top of the sliding plate 771, the top of the spring III is fixedly connected with the top of the inner wall of the circular groove, one side, close to the obtuse angle plate 78, of the sliding plate 771 is contacted with a ball 772, one third of the circular groove is formed in the lower two sides of the obtuse angle plate 78, and one end, far away from the sliding plate 771, of the ball 772 is contacted with the inner surface of the one third of the circular groove;
the diameter distance of the opening of the circular groove is smaller than the inner diameter of the circular groove, and the height of the clamping plate 79 is the same as that of the second connecting plate 77.
The center shaft in the protection box 1 is vertically and rotatably connected with a center rod 106, the top of the center rod 106 is fixedly connected with a top block, the top of the top block penetrates through the second sealing cover plate 21 and is mutually contacted with the bottom of the center block 22, the upper side and the lower side of the outer surface of the center rod 106 are fixedly connected with triangular blocks 107, one side, close to each other, of each triangular block 107 is fixedly connected with a thin rod 108, the outer surface of each thin rod 108 is rotatably connected with a square plate 109, the inside of the square plate 109 is slidably connected with a movable plate 110, a spring IV is arranged in the square plate 109, one end of the spring IV is fixedly connected with the side surface of the movable plate 110, the other end of the spring IV is fixedly connected with the inner wall of the square plate 109, one end, far away from the spring IV, of the movable plate 110 is fixedly connected with a push-pull rod 111, one end, far away from the movable plate 110, of the push-pull rod 111 is fixedly connected with an arc block 112, and the inside of the arc block 112 is vertically and fixedly connected with a rotary shaft III 113;
the outer surface of the arc-shaped block 112 is contacted with a concave block 114, the concave block 114 is rotationally connected with a third rotating shaft 113, and one end of the concave block 114 far away from the push-pull rod 111 is fixedly connected with the concave block 105.
The inside of the concave block 105 comprises a locating rod 31, an air groove is formed in the inside of the concave block 105, the locating rod 31 is transversely and fixedly connected with the inside of the air groove, a push block 32 is slidably connected to the outer side of the locating rod 31, the upper end and the lower end of the push block 32 are provided with a first rotating rod 34, the front end and the rear end of the first rotating rod 34 are fixedly connected with an arc-shaped plate 33, the first arc-shaped plate 33 is fixedly connected with the upper side and the lower side of the push block 32, the outer side of the first rotating rod 34 is rotatably connected with a lever 35, the middle shaft of the lever 35 is rotatably connected with an inserting rod 36, the front side and the rear side of the inserting rod 36 are fixedly connected with the inner wall of the air groove, one end of the lever 35, far away from the first rotating rod 34, is internally provided with a second rotating rod 37 in an array manner, and the front end and the rear end of the outer surface of the second rotating rod 37 are fixedly connected with an arc-shaped plate 38;
the outer surface of the second arc-shaped plate 38 is fixedly connected with a T-shaped rod 39, one end, far away from the second arc-shaped plate 38, of the T-shaped rod 39 is fixedly connected with a semicircular inserting plate 40, and the outer surface of the semicircular inserting plate 40 is in contact with the inner surface of the connecting block 103.
The outside of the positioning rod 31 is sleeved with a spring five, one end of the spring five is fixedly connected with the pushing block 32, the other end of the spring five is fixedly connected with the inner wall of the air groove, and one side, far away from the optical fiber sensor 101, of the pushing block 32 is in contact with the inner wall of the air groove.
When the optical fiber sensor 101 to be lowered into the well is placed in the protective box 1 by a worker in use, as the optical fiber sensor 101 is gradually put into the protective box 1, the positioning partition plate and the concave block 105 are in contact with the outer surface of the optical fiber sensor 101, meanwhile, under the influence of the reaction force, the positioning partition plate and the concave block 105 can move outwards simultaneously, the first spring is extruded when the positioning partition plate moves outwards, the positioning partition plate can extrude the optical fiber sensor 101 by means of the elastic force of the first spring, so that the optical fiber sensor 101 is prevented from being damaged due to the influence of external reasons, and the stability of the optical fiber sensor 101 in the protective box 1 can be improved;
when the concave block 105 is extruded, the concave block 105 moves to one side close to the center rod 106, the concave block 105 transmits the received pressure to the arc block 112 through the concave block 114 and the rotation shaft III 113, the arc block 112 pushes the push-pull rod 111 to the inside of the square plate 109, the moving plate 110 slides to the inside of the square plate 109 under the influence of the push-pull rod 111 and extrudes the spring IV, when the received pressure reaches a certain degree, the spring IV cannot bear the received extrusion force, the square plate 109 pushes the thin rod 108 and the triangular block 107 to rotate around the center rod 106, the optical fiber sensor 101 can be further clamped stably by virtue of the concave block 105, the stabilizing effect on the optical fiber sensor 101 is greatly improved, the optical fiber sensors 101 with different sizes can be contained in the protection box 1, and the integral practicability of the device is improved;
when the optical fiber sensor 101 moves to a certain position in the protection box 1, the semicircular plugboard 40 is in contact with the side surface of the connecting block 103, the semicircular plugboard 40 is influenced by a certain reaction force and pushes the second rotating rod 37 with the T-shaped rod 39 and the second arc plate 38, the second rotating rod 37 transmits the received pressure to the first arc plate 33 and the first rotating rod 34 through the lever 35, the center of the lever 35 is limited by the inserting rod 36, so that the pushing block 32 is pulled to move along the positioning rod 31 and the spring five is extruded when moving, after the position of the semicircular plugboard 40 corresponds to the position of the inner hole of the connecting block 103, the semicircular plugboard 40 enters a part of the inner part of the connecting block 103 under the pushing of the spring five, the position limiting effect of the optical fiber sensor 101 is improved again, even if the protection box 1 is greatly impacted and rocked under the external influence, the optical fiber sensor 101 can be well protected, the problem that the optical fiber sensor 101 is damaged is greatly reduced, the deformation phase is reduced, the condition that the optical fiber sensor 101 needs maintenance is reduced, and the cost is reduced; when the optical fiber sensor 101 is integrally placed in the protection box 1 and is fixed, a worker places the second sealing cover plate 21 at the top of the protection box 1, and the square strip 24 slowly moves downwards along the outer wall of the protection box 1 until the square strip penetrates through the right-angle block 73, so that the effect of sealing the top of the protection box 1 is achieved, and further, the condition that soil and water in a well can enter the protection box 1 to corrode the optical fiber sensor 101 is avoided;
when the square strip 24 descends to a certain position, the outer surface of the square strip 24 is in contact with the equilateral triangular block 813, the equilateral triangular block 813 moves towards the inside of the square opening and extrudes the spring IV, when the position of the equilateral triangular block 813 corresponds to the position of the square groove, the equilateral triangular block 813 is pushed out by the spring IV and is clamped in the square groove at the same time, so that the effect of fixing the position of the second sealing cover plate 21 is achieved, the second sealing cover plate is prevented from being separated from the protection box 1, and meanwhile, the fixing effect is higher by virtue of the fixing mode;
when the second sealing cover plate 21 needs to be removed from the top of the protection box 1, a worker rotates the annular plate 4 to a proper angle, at the moment, the worker stretches hands into the inner side of the annular plate 4, then hooks the obtuse angle plate 78 with fingers and pulls the obtuse angle plate 78 outwards, the ball 772 is separated from one third of the round groove when the obtuse angle plate 78 moves, the ball 772 pushes the sliding plate 771 to move towards the inner side of the connecting plate II 77 and squeeze the spring III, after the obtuse angle plate 78 moves to a certain position, the ball 772 at other positions can reenter the one third of the round groove under the pushing of the spring III, the effect of limiting the position of the obtuse angle plate 78 is achieved, meanwhile, the connecting plate II 77 at two sides of the fixing block 74 simultaneously moves towards one side close to the obtuse angle plate 78 under the influence of the obtuse angle plate 78, the rotating shaft II 81 pulls the stretched equilateral triangular block 813 into the square opening through the rotating block 811 and the square block 812 under the pulling of the connecting plate II 77, at the moment, the equilateral triangular block 813 loses contact with the square groove, and the equilateral triangular block 24 can be connected with the second sealing cover plate 21 from the top of the protection box 1 after the protection strip 24 is limited;
the protection box 1 can be assembled to any reasonable position of the drill bit, and then the protection box can be lowered into the well along with the drill bit, and the external environment monitor 65 can transmit the monitored information to the optical fiber sensor 101 through the connecting wire 66.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (8)
1. The utility model provides a fiber sensor device of going into well while drilling, includes guard box (1), its characterized in that:
the protection box is characterized in that a capping assembly (2) is arranged at the top of the protection box (1), an annular strip (3) is fixedly connected to the lower end of the outer surface of the protection box (1), an annular plate (4) is contacted with the inner surface of the annular strip (3), an opening is formed in the outer surface of the annular plate (4), a first sealing cover plate (5) is contacted with the top of the annular plate (4), the first sealing cover plate (5) is fixedly connected with the outer surface of the protection box (1), a sealing bottom plate (6) is arranged at the bottom of the protection box (1), and a fixing assembly (7) is arranged at one side, close to each other, of the outer side of the protection box (1) and the inner side of the annular plate (4);
the protection box comprises a protection box body, and is characterized in that a placing groove is formed in the top of the protection box body, an optical fiber sensor (101) is arranged in the placing groove, an electric wire (102) is inserted into the top of the optical fiber sensor (101), connecting blocks (103) are inserted into the bottom of the optical fiber sensor (101), positioning partition plates are contacted with the left side and the right side of the optical fiber sensor (101), grooves are formed in the left side and the right side of the inner wall of the placing groove, a first spring is fixedly connected in the grooves, one end, far away from the grooves, of the first spring is fixedly connected with the side surface of the positioning partition plates, concave blocks (105) are contacted with the outer surface of one side, close to the other side, of the optical fiber sensor (101) is mutually contacted with the inner wall of the placing groove, connecting blocks (103) are fixedly connected with one side, the lower end, close to the outer surface, of the protecting box body (1) is fixedly connected with a circular plate (104), the bottom of the protecting box body is provided with an opening, the opening position corresponds to the connecting blocks of the optical fiber sensor (101), and the bottom (66) extends to the outside in a penetrating mode (6);
the top sealing assembly (2) comprises a second sealing cover plate (21), the bottom of the second sealing cover plate (21) is in contact with the top of the protection box (1), a center block (22) is fixedly connected to the top of the second sealing cover plate (21), concave strips (23) are fixedly connected to the outer surface of the second sealing cover plate (21), square strips (24) are fixedly connected to one sides, close to each other, of the concave strips (23), square grooves are formed in one sides, far away from the protection box (1), of the square strips (24), the outer surface of the protection box (1) is in contact with the side faces of the square strips (24), and the tops of connecting wires (66) penetrate through the second sealing cover plate (21) and extend to the outside.
2. A fiber optic sensor while drilling device as claimed in claim 1, wherein: the bottom of the sealing bottom plate (6) is fixedly connected with the bottom of the circular plate (104), the bottom of the sealing bottom plate (6) is fixedly connected with a heightening plate (61), a cylindrical block (62) is fixedly connected with the bottom center shaft of the bottom of the sealing bottom plate (6), a reinforcing plate (63) is fixedly connected with the bottom of the cylindrical block (62), one side, close to each other, of three connecting plates (64) is fixedly connected with an external environment monitor (65), the external environment monitor (65) is connected with an optical fiber sensor (101) through a connecting wire (66), and the top of the reinforcing plate (63) is fixedly connected with the bottom of the external environment monitor (65);
the utility model discloses a high-speed cable, including backing plate (61), connecting frame (67) are connected with in the surface fixed of backing plate (61), the one end that backing plate (61) was kept away from to connecting frame (67) is connected with plectane (104) surface fixed.
3. A fiber optic sensor while drilling device as claimed in claim 1, wherein: the fixing assembly (7) comprises a positioning shaft (71), wherein the upper end and the lower end of the outer surface of the positioning shaft (71) are fixedly connected with a fixing frame (72), the bottom of the fixing frame (72) is positioned at the bottom and fixedly connected with a protection box (1), one side, close to the protection box (1), of the fixing frame (72) is fixedly connected with a right-angle block (73), the middle shaft position on the outer side of the positioning shaft (71) is fixedly connected with a fixing block (74), the upper side and the lower side of the fixing block (74) are fixedly connected with a combined plate (75), the outer side of the fixing block (74) is provided with a rotating shaft I (76), the upper end and the lower end of the rotating shaft I (76) are fixedly connected with a combined plate (75), the middle shaft position on the outer surface of the rotating shaft I (76) is rotationally connected with a connecting plate II (77), a sliding groove I is formed in the connecting plate II (77), one side, far away from the protection box (1), the upper end and the lower end of the obtuse angle plate (78) are mutually contacted with the upper side and the lower side of the inner wall of the sliding groove I, the right side of the obtuse angle plate (78) is fixedly connected with a clamping plate (79), and the clamping plate (79) is in contact with the side of the connecting plate II;
the protection box (1) outside is provided with connecting rod (80), both ends and right angle piece (73) fixed connection about connecting rod (80), just the one end that mount (72) was kept away from to right angle piece (73) and protection box (1) surface fixed connection, the one end inside fixedly connected with axis of rotation two (81) of rotation one (76) are kept away from to connecting plate two (77).
4. A fiber optic sensor while drilling device as claimed in claim 3, wherein: the outer surfaces of the upper end and the lower end of the second rotating shaft (81) are rotationally connected with rotating blocks (811), one end, far away from the second rotating shaft (81), of each rotating block (811) is fixedly connected with square blocks (812), square openings are formed in the right-angle blocks (73), one end, far away from the rotating blocks (811), of each square block (812) is fixedly connected with an equilateral triangular block (813), the bottoms of the equilateral triangular blocks (813) are in contact with the bottoms of the inner walls of the square grooves, and the tops of the equilateral triangular blocks (813) are in contact with the tops of the inner walls of the square openings;
the outer surface of the square block (812) is sleeved with a second spring, one end of the second spring is fixedly connected with the equilateral triangular block (813), and the other end of the second spring is fixedly connected with the inner wall of the square opening.
5. The fiber optic sensor while drilling device of claim 4, wherein: one end of the square block (812) far away from the rotating block (811) penetrates through the right-angle block (73) and extends to the inside of the square opening, a circular groove is formed in the second connecting plate (77), a sliding plate (771) is connected in a sliding mode in the circular groove, a third spring is fixedly connected to the top of the sliding plate (771), the third spring is fixedly connected with the top of the inner wall of the circular groove, a ball (772) is contacted with one side, close to the obtuse angle plate (78), of the sliding plate (771), one third of circular grooves are formed in the upper side and the lower side of the obtuse angle plate (78), and one end, far away from the sliding plate (771), of the ball (772) is in contact with the inner surface of one third of the circular grooves;
the diameter distance of the opening of the circular groove is smaller than the inner diameter of the circular groove, and the height of the clamping plate (79) is the same as that of the second connecting plate (77).
6. A fiber optic sensor while drilling device as claimed in claim 1, wherein: the protection box is characterized in that a center rod (106) is vertically and rotatably connected to an inner center shaft of the protection box (1), a top block is fixedly connected to the top of the center rod (106), the top of the top block penetrates through a second sealing cover plate (21) and is in contact with the bottom of a center block (22), triangular blocks (107) are fixedly connected to the upper side and the lower side of the outer surface of the center rod (106), a slender rod (108) is fixedly connected to one side, close to each other, of each triangular block (107), of each triangular block, a square plate (109) is rotatably connected to the outer surface of each slender rod (108), a movable plate (110) is slidably connected to the inside of the square plate (109), a spring IV is arranged inside the square plate (109), one end of the spring IV is fixedly connected with the side face of the movable plate (110), the other end, far away from the spring IV, of the movable plate (110) is fixedly connected with a push-pull rod (111), one end, far away from the movable plate (110), of each push-pull rod (112) is fixedly connected with a push-pull block (112), and a rotating shaft III (113) is vertically and fixedly connected to the inside of the square plate (109).
The outer surface of the arc-shaped block (112) is contacted with a concave block (114), the concave block (114) is rotationally connected with a rotating shaft III (113), and one end, far away from the push-pull rod (111), of the concave block (114) is fixedly connected with the concave block (105).
7. The fiber optic sensor while drilling device of claim 6, wherein: the novel rotary table is characterized in that the inside of the concave block (105) comprises a locating rod (31), an air groove is formed in the inside of the concave block (105), the locating rod (31) is transversely fixedly connected with the inside of the air groove, a push block (32) is slidably connected to the outer side of the locating rod (31), a first rotating rod (34) is arranged at the upper end and the lower end of the push block (32), arc plates I (33) are fixedly connected to the front end and the rear end of the first rotating rod (34), the arc plates I (33) are fixedly connected with the upper side and the lower side of the push block (32), a lever (35) is rotatably connected to the outer side of the first rotating rod (34), an inserting rod (36) is rotatably connected to the middle shaft of the lever (35), a second rotating rod (37) is rotatably connected to the inner side of one end of the lever (35), which is far away from the first rotating rod (34), and arc plates II (38) are fixedly connected to the front end and the rear end of the second rotating rod (37);
the outer surface of the second arc-shaped plate (38) is fixedly connected with a T-shaped rod (39), one end, far away from the second arc-shaped plate (38), of the T-shaped rod (39) is fixedly connected with a semicircular inserting plate (40), and the outer surface of the semicircular inserting plate (40) is in contact with the inner surface of the connecting block (103).
8. The fiber optic sensor while drilling device of claim 7, wherein: the positioning rod (31) is sleeved with a spring five, one end of the spring five is fixedly connected with the pushing block (32), the other end of the spring five is fixedly connected with the inner wall of the air groove, and one side, far away from the optical fiber sensor (101), of the pushing block (32) is in contact with the inner wall of the air groove.
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| CN202311197487.2A CN116927761B (en) | 2023-09-18 | 2023-09-18 | Optical fiber sensor logging-while-drilling device |
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| CN202311197487.2A CN116927761B (en) | 2023-09-18 | 2023-09-18 | Optical fiber sensor logging-while-drilling device |
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| CN116927761B true CN116927761B (en) | 2023-12-12 |
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| CN117647340B (en) * | 2024-01-30 | 2024-03-29 | 成都工业职业技术学院 | Mining roof pressure detection device based on optical fiber sensor |
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