CN115290035A - Device for measuring bending deformation of submarine cable based on MEMS sensor - Google Patents

Device for measuring bending deformation of submarine cable based on MEMS sensor Download PDF

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Publication number
CN115290035A
CN115290035A CN202211018152.5A CN202211018152A CN115290035A CN 115290035 A CN115290035 A CN 115290035A CN 202211018152 A CN202211018152 A CN 202211018152A CN 115290035 A CN115290035 A CN 115290035A
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CN
China
Prior art keywords
cable
mems sensor
bending deformation
groove
ring
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Pending
Application number
CN202211018152.5A
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Chinese (zh)
Inventor
郑新龙
卢志飞
陈铁义
雷之楮
李渊
阮天余
孙璐
曹晟哲
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Innovation And Entrepreneurship Center Of State Grid Zhejiang Electric Power Co ltd
Zhoushan Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
Innovation And Entrepreneurship Center Of State Grid Zhejiang Electric Power Co ltd
Zhoushan Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Innovation And Entrepreneurship Center Of State Grid Zhejiang Electric Power Co ltd, Zhoushan Power Supply Co of State Grid Zhejiang Electric Power Co Ltd filed Critical Innovation And Entrepreneurship Center Of State Grid Zhejiang Electric Power Co ltd
Priority to CN202211018152.5A priority Critical patent/CN115290035A/en
Publication of CN115290035A publication Critical patent/CN115290035A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/32Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid

Abstract

The invention provides a device for measuring bending deformation of a submarine cable based on an MEMS sensor, and belongs to the technical field of submarine cable laying. The cable bending tester comprises a plurality of connecting blocks and a plurality of connecting rods, wherein the connecting blocks are sequentially and movably connected end to end, a mounting box is arranged on each connecting block, an MEMS sensor used for measuring bending changes of two adjacent connecting blocks is arranged in each mounting box, the upper ends of the connecting rods are arranged on the corresponding connecting blocks, a circular ring used for erecting a cable is arranged at the lower end of each connecting rod, the axial direction of the circular ring is consistent with the length direction of the connecting blocks, and a first limiting mechanism enabling the cable to be always positioned in the center of the circular ring is arranged on the circular ring. The invention can monitor the bending deformation of the cable in real time when the submarine cable is laid, is convenient for the operation personnel to process in time, can adapt to cables with different sizes and has wide application range.

Description

Device based on MEMS sensor measures submarine cable bending deformation
Technical Field
The invention belongs to the technical field of submarine cable laying, and relates to a device for measuring bending deformation of a submarine cable based on an MEMS sensor.
Background
The submarine cable laying is to fix one end of a cable on the shore, slowly start a ship to the outside sea, and lay the cable while sinking the cable to the seabed by using an excavator sinking to the seabed.
In the process of laying cables, the section of cable from a ship to the bottom is always in an unstable state, can deform along with continuous movement of water flow and the ship, and because the allowable bending radius of the submarine cable is limited, excessive bending can cause damage to the cable, so that protection work needs to be done on the cable when the submarine cable is laid down, meanwhile, the bending degree of the cable is monitored in real time, workers can adjust the submarine cable in time, and damage to the cable is avoided.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a device for measuring bending deformation of a submarine cable based on an MEMS sensor, which can monitor the bending deformation of the cable in real time when the submarine cable is laid, is convenient for operators to handle in time, can adapt to cables of different sizes, and has a wide application range.
The purpose of the invention can be realized by the following technical scheme:
an apparatus for measuring bending deformation of a submarine cable based on a MEMS sensor, comprising: the connecting blocks are sequentially and movably connected end to end, a mounting box is arranged on each connecting block, and an MEMS sensor for measuring the bending change of two adjacent connecting blocks is arranged in each mounting box;
the connecting rod and the connecting blocks are in one-to-one correspondence, the upper ends of the connecting rods are arranged on the corresponding connecting blocks, the lower ends of the connecting rods are provided with circular rings used for erecting cables, the axial direction of the circular rings is consistent with the length direction of the connecting blocks, and the circular rings are provided with first limiting mechanisms enabling the cables to be located at the centers of the circular rings all the time.
Preferably, the first limit mechanism includes:
a plurality of first limit structure, a plurality of first limit structure sets up on the ring along circumference, first limit structure has: the sleeve is fixedly arranged on the circular ring along the radial direction; the sliding rod is arranged in the sleeve in a sliding mode, a limiting plate is arranged at the outer end of the sliding rod, a bottom plate is arranged at the inner end of the sliding rod, and a first roller is rotatably arranged on the bottom plate; the first compression spring is sleeved on the sliding rod between the bottom plate and the inner side wall of the circular ring, and the second compression spring is sleeved on the sliding rod between the limiting plate and the outer side wall of the circular ring; the power generation structure is arranged on the bottom plate and can generate power by utilizing the rotation of the first rotating shaft;
the adjusting structure is arranged on the outer side of the circular ring and can adjust the distance from the limiting plates to the circular ring.
Preferably, be equipped with the battery in the connecting block, electricity generation structure includes:
the first generator is fixedly arranged on the bottom plate, the first rotating shaft is in transmission connection with an input shaft of the first generator, and the first generator is electrically connected with the storage battery.
Preferably, the adjusting structure includes:
the elastic steel sheet is rolled into a circle and wound on the outer sides of the plurality of limiting plates, a stud is arranged on the outer side of one end of the elastic steel sheet, a sliding groove hole is formed in the other end of the elastic steel sheet along the length direction, the stud penetrates through the sliding groove hole, and the outer end of the stud is in threaded connection with a fixing nut;
a plurality of guide structure, a plurality of guide structure and a plurality of limiting plate one-to-one, guide structure sets up on corresponding limiting plate, guide structure can zoom to elastic steel piece and play the guide effect.
Preferably, the guide structure comprises:
the two baffles are respectively arranged on two sides of the limiting plate, and the elastic steel sheet is positioned between the two limiting plates;
the arc recess, the arc recess is seted up in the limiting plate and is close to one side of elastic steel piece, the arc recess internal rotation is equipped with a plurality of second gyro wheel, the axial of second gyro wheel is unanimous with the axial of ring.
Preferably, one end of the elastic steel sheet close to the sliding slot hole is provided with a push plate.
Preferably, a plurality of arc-shaped ring grooves are formed in the wheel surface of the first idler wheel, and the arc-shaped ring grooves are in contact with the outer surface of the cable.
Preferably, one end of each connecting block is provided with a conical part, the outer end of each conical part is provided with a spherical part, the other end of each connecting block is provided with a conical groove, the inner end of each conical groove is provided with a spherical groove, and the spherical part on one connecting block is movably connected in the spherical groove of the adjacent connecting block.
Preferably, a plurality of second limiting mechanisms are arranged on the side wall of the conical groove along the circumferential direction, and the second limiting mechanisms can limit the rotation range of the conical part in the conical groove as required.
Preferably, the second limit mechanism includes:
the mounting grooves are circumferentially arranged on the conical surface of the conical groove, mounting plates are hinged in the mounting grooves, and rubber blocks are arranged on the mounting plates;
the electric push rods are in one-to-one correspondence with the installation grooves, one ends of the electric push rods are hinged in the corresponding installation grooves, and the other ends of the electric push rods are hinged on the installation plate.
Compared with the prior art, the invention has the following advantages:
1. the connecting blocks are connected into a strip shape, one end of each connecting block is connected to the tail of the cable laying ship through a fixing rope, the submarine cable sequentially penetrates into each circular ring, the circular rings and the connecting blocks are bent along with the bending of the cable, the bending change of the cable on each circular ring is measured through the MEMS sensor on each connecting block, the MEMS sensor monitors the cable in each circular ring when the cable is placed down, the bending change signal is sent to a control terminal on the cable laying ship, the real-time monitoring is completed, workers can find and take preventive measures in time, and the cable is prevented from being damaged;
2. after the cable passes through the middle of the circular ring, the distances from all the limiting plates to the circular ring are adjusted simultaneously through the adjusting structure according to the actual size of the cable, so that the first rollers are tightly attached to the surface of the cable, the cable is limited in the middle of the circular ring by the plurality of first rollers arranged circumferentially, the bending degrees of the connecting block and the cable are kept consistent, and the monitoring accuracy is improved; in addition, the first roller can reduce the sliding resistance of the cable, so that the cable can be more smoothly lowered;
3. when the cable is laid down, the first roller is driven to roll, the first rotating shaft rotates to drive the first generator to generate electricity, the electric energy is stored in the storage battery and is provided for the MEMS sensor, and the trouble of an external power supply is avoided;
4. in the initial stage, the elastic steel sheet is coiled on the outer side of the circular ring in a circular shape, when the size of a passing cable is small, the stud is pulled to slide towards the upper side of the sliding groove hole, the elastic steel sheet is contracted, meanwhile, the limiting plates and the sliding rods are pushed to move inwards, the first compression spring is stretched, the second compression spring is compressed, the space between the first rollers is reduced, the operation is simple, and similarly, when the size of the cable is large, the stud is pulled to slide towards the lower side of the sliding groove hole, the elastic steel sheet is loosened, the limiting plates and the sliding rods are pushed to move outwards under the action of the first compression spring and the second compression spring, and the space between the first rollers is increased; in addition, the guide structure can avoid the deviation of the elastic steel sheet;
5. when the elastic steel sheet contracts or relaxes, the elastic steel sheet slides outside the limiting plate, and the two baffles play a limiting role to avoid the elastic steel sheet from deviating; in addition, when the elastic steel sheet moves, the second roller reduces the static friction force between the elastic steel sheet and the limiting plate, so that the elastic steel sheet slides more smoothly;
6. the arc-shaped ring groove on the first roller can be more attached to the surface of the cable, so that the contact area with the cable is increased, and a better guiding effect is achieved;
7. two adjacent connecting blocks are movably connected together through a spherical part and a spherical groove, the spherical part can rotate in the spherical groove, the conical part rotates in the conical groove, and the inclination angle of the conical groove can limit the moving angle between the two connecting blocks, so that the whole connecting block cannot be bent greatly, and the cable is protected;
8. in the initial state, the rubber block and the mounting plate are located in the mounting groove, the movable angle between two adjacent connecting blocks is the largest at the moment, the electric push rod is started to push the mounting plate to move outwards from the mounting groove, the mounting plate drives the rubber block to rotate outwards, the rubber block is enabled to be gradually close to the conical part, the movable space of the conical part in the conical groove is reduced, and the movable angle of the two connecting blocks is controlled to be reduced.
Drawings
FIG. 1 is a schematic illustration of the operation of the present invention on a cable laying vessel;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 isbase:Sub>A cross-sectional view taken at A-A of FIG. 2;
FIG. 4 is a cross-sectional view taken at B-B of FIG. 2;
FIG. 5 is an enlarged view of a portion of FIG. 2 at C;
FIG. 6 is an enlarged view of a portion of FIG. 3 at D;
FIG. 7 is an enlarged view of a portion of FIG. 3 at E;
FIG. 8 is an enlarged view of a portion of FIG. 3 at F;
fig. 9 is a partially enlarged view at G in fig. 2.
In the figure, 1, a cable laying ship; 11. a cable; 12. connecting ropes; 2. connecting blocks; 21 a tapered portion; 22. a spherical portion; 23. a tapered recess; 24. a spherical groove; 25. a storage battery; 26. installing a groove; 261. an electric push rod; 27. a rubber block; 271. mounting a plate; 3. mounting a box; 31. a MEMS sensor; 32. a controller; 4. a connecting rod; 41. a circular ring; 42. a sleeve; 5. a slide bar; 51. a base plate; 52. a first rotating shaft; 521. a first roller; 53. a first hold-down spring; 54. a second hold-down spring; 55. a first generator; 6. a limiting plate; 61. an arc-shaped groove; 62. a second roller; 63. a baffle plate; 7. an elastic steel sheet; 71. pushing the plate; 72. a sliding slot hole; 73. a stud; 74. fixing a nut; 75. a rubber gasket.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 9, an apparatus for measuring bending deformation of an ocean cable based on a MEMS sensor includes a plurality of connection blocks 2 and a plurality of connection bars 4.
A plurality of 2 end to end swing joint of connecting block are in the same place in proper order, the one end of connecting block 2 is equipped with toper portion 21, the outer end of toper portion 21 is equipped with spherical portion 22, the other end of connecting block 2 is equipped with conical groove 23, conical groove 23's the inner is equipped with spherical groove 24, spherical groove 24's size is greater than spherical portion 22's size, conical groove 23's opening size is greater than conical portion 21's opening size, and spherical portion 22 swing joint on one of them connecting block 2 is in spherical groove 24 of adjacent connecting block 2.
Be equipped with mounting box 3 on connecting block 2, be equipped with in the mounting box 3 and be used for measuring MEMS sensor 31 and the controller 32 of two adjacent connecting block 2 bending changes, preferably, MEMS sensor chooses for use MEMS combination inertial sensor, and MEMS combination inertial sensor includes an ASIC chip, a MEMS gyroscope chip and an accelerometer chip, adopts ceramic substrate and lead bonding.
A plurality of connecting rod 4 and 2 one-to-ones of a plurality of connecting block, the upper end of connecting rod 4 sets up on corresponding connecting block 2, the lower extreme of connecting rod 4 is equipped with the ring 41 that is used for erectting cable 11, the axial of ring 41 is unanimous with the length direction of connecting block 2, be equipped with the first stop gear that makes cable 11 be located ring 41 center all the time on ring 41.
Through spherical portion 22 and sphere recess 24 swing joint together between two adjacent connecting blocks 2, spherical portion 22 can be in spherical recess 24 internal rotations, and toper portion 21 is at the internal rotation of toper recess 23, and the inclination of toper recess 23 can restrict the activity angle between two connecting blocks 2, makes whole connecting block 2 can not take place great buckling, plays the effect of protection cable 11.
A plurality of connecting block 2 is even into the strip, the afterbody at shop's cable ship 1 is connected through connecting rope 12 to the one end of connecting block 2, penetrate cable 11 in each ring 41 in proper order, make ring 41 and connecting block 2 crooked along with the bending of cable 11, measure the crooked change of cable 11 on this ring 41 through MEMS sensor 31 on the connecting block 2, when transferring cable 11, MEMS sensor 31 monitors cable 11 in each ring 41, change signal transmission with the bending on controller 32, a plurality of controller 32 is with all signal transmission to the control terminal on shop's cable ship 1 again, accomplish the whole control of transferring section cable 11, the staff of being convenient for in time discovers and takes precautionary measure, avoid cable 11 to damage.
In this embodiment, the first limiting mechanism includes a plurality of first limiting structures and an adjusting structure.
A plurality of first limit structures are circumferentially arranged on the circular ring 41, and each first limit structure comprises a sleeve 42, a sliding rod 5, a first compression spring 53, a second compression spring 54 and a power generation structure.
The sleeve 42 is fixed on the ring 41 along the radial direction, and the sleeve 42 penetrates through the inner and outer side walls of the ring 41.
Slide bar 5 slides and sets up in sleeve pipe 42, slide bar 5's outer end is equipped with limiting plate 6, limiting plate 6 is circular-arcly, slide bar 5's the inner is equipped with bottom plate 51, the parallel is equipped with two backup pads on bottom plate 51, rotates in two backup pads and is provided with first pivot 52, first pivot 52 is last to have set firmly first gyro wheel 521, preferably, arc annular 522 has been seted up on first gyro wheel 521's the wheel face, arc annular 522 contacts with cable 11's surface, the surface of cable can be laminated more to the arc annular increases the area of contact with the cable, plays better guide effect, and first gyro wheel can reduce the gliding resistance of cable, makes the more smooth and easy that the cable was transferred.
The first compression spring 53 and the second compression spring 54 are sleeved on the sliding rod 5, one end of the first compression spring 53 is fixedly connected with the bottom plate 51, the other end of the first compression spring is fixedly connected with the inner side wall of the circular ring 41, one end of the second compression spring 54 is fixedly connected with the limiting plate 6, and the other end of the second compression spring is fixedly connected with the outer side wall of the circular ring 41.
Specifically, a storage battery 25 is arranged in the connection block 2, the power generation structure includes a first generator 55, the first generator 55 is fixedly arranged on the bottom plate 51, one end of the first rotating shaft 52 is fixedly connected with an input shaft of the first generator 55, and the first generator 55 is electrically connected with the storage battery 25.
When the cable 11 is laid down, the first roller 521 is driven to roll, the first rotating shaft 52 rotates to drive the first generator 55 to generate electricity, the electric energy is stored in the storage battery 25 through the rectifier and is provided for the MEMS sensor 31, and the trouble of an external power supply is avoided.
The adjusting structure is arranged on the outer side of the circular ring 41, and the adjusting structure can adjust the distance from the plurality of limiting plates 6 to the circular ring 41 at the same time.
After the cable 11 passes through the middle of the circular ring 41, according to the actual size of the cable 11, the distances from all the limiting plates 6 to the circular ring 41 are adjusted simultaneously through the adjusting structure, so that the first rollers 521 are tightly attached to the surface of the cable 11, the cable 11 is limited in the middle of the circular ring 41 by the plurality of first rollers 521 arranged circumferentially, the bending degrees of the connecting block 2 and the cable 11 are kept consistent, and the monitoring accuracy is improved.
In this embodiment, the adjusting structure comprises an elastic steel sheet 7 and a plurality of guiding structures.
Elastic steel sheet 7 batching is circular and around establishing the outside at a plurality of limiting plate 6, the outside of elastic steel sheet 7 one end is equipped with double-screw bolt 73, sliding groove hole 72 has been seted up along length direction to the other end of elastic steel sheet 7, double-screw bolt 73 passes sliding groove hole 72 and outer end threaded connection fixation nut 74, preferably, threaded connection has two fixation nut 74 on the double-screw bolt 73, still is equipped with rubber gasket 75 between fixation nut 74 and the sliding groove hole 72, and rubber gasket 75 and two fixation nut 74 play locking effect, fix the double-screw bolt at the current position of sliding groove hole.
A plurality of guide structure and a plurality of limiting plate 6 one-to-one, guide structure sets up on corresponding limiting plate 6, guide structure includes two baffles 63 and arc recess 61.
The two baffle plates 63 are respectively arranged on two sides of the limiting plate 6, and the elastic steel sheet 7 is positioned between the two limiting plates 6. When the elastic steel sheet 7 slides outside the limiting plate, the two baffles play a limiting role.
Arc recess 61 is seted up in the one side that limiting plate 6 is close to elastic steel sheet 7, the arc recess 61 internal rotation is equipped with a plurality of second gyro wheel 62, the axial of second gyro wheel 62 is unanimous with the axial of ring 41. The second roller can reduce the static friction force between the elastic steel sheet and the limiting plate, so that the elastic steel sheet can slide more smoothly.
In the initial stage, the elastic steel sheet 7 is coiled in a circular shape and wound on the outer side of the circular ring 41, when the size of the passing cable 11 is small, the stud 73 is pulled to slide towards the upper side of the sliding groove hole 72, so that the elastic steel sheet 7 is contracted, and meanwhile, the plurality of limiting plates 6 and the sliding rods 5 are pushed to move inwards, the first pressing spring 53 is stretched, the second pressing spring 54 is compressed, so that the space between the first rollers 521 is reduced, the operation is simple, and similarly, when the size of the cable 11 is large, the stud 73 is pulled to slide towards the lower side of the sliding groove hole 72, so that the elastic steel sheet 7 is loosened, and under the action of the first pressing spring 53 and the second pressing spring 54, the limiting plates 6 and the sliding rods 5 are pushed to move outwards, so that the space between the first rollers 521 is increased.
Preferably, a push plate 71 is arranged at one end of the elastic steel sheet 7 close to the sliding slot hole 72. The push plate 71 facilitates the operation of the curling and loosening of the elastic steel sheet 7.
In this embodiment, a plurality of second limiting mechanisms are circumferentially arranged on the side wall of the tapered groove 23, and each second limiting mechanism includes a plurality of mounting grooves 26 and a plurality of electric push rods 261.
A plurality of mounting groove 26 sets up on the conical surface of tapered groove 23 along circumference, it has mounting panel 271 to articulate in the mounting groove 26, be equipped with block rubber 27 on the mounting panel 271, block rubber 27 is located mounting groove 26.
The plurality of electric push rods 261 correspond to the plurality of mounting grooves 26 one by one, one end of each electric push rod 261 is hinged in the corresponding mounting groove 26, and the other end of each electric push rod 261 is hinged on the mounting plate 271.
In an initial state, the rubber block 27 and the mounting plate 271 are located in the mounting groove 26, and at this time, the moving angle between two adjacent connecting blocks 2 is the largest, the electric push rod 261 is started to push the mounting plate 271 to move outward of the mounting groove 26, the mounting plate 271 drives the rubber block 27 to rotate outward, so that the rubber block 27 gradually approaches the tapered portion 21, the moving space of the tapered portion 21 in the tapered groove 23 is reduced, and the moving angles of the two connecting blocks 2 are controlled to be reduced.
In the description of this patent, it is to be understood that the terms "upper", "lower", "inner", "outer", and the like, as used herein, refer to an orientation or positional relationship based on that shown in the drawings, which is for convenience in describing the patent and to simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered limiting of the patent.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims (10)

1. An apparatus for measuring bending deformation of submarine cable based on MEMS sensor, comprising: the connecting device comprises a plurality of connecting blocks (2), wherein the connecting blocks (2) are sequentially and movably connected end to end, a mounting box (3) is arranged on each connecting block (2), and an MEMS sensor (31) for measuring the bending change of two adjacent connecting blocks (2) is arranged in each mounting box (3);
a plurality of connecting rod (4), a plurality of connecting rod (4) and a plurality of connecting block (2) one-to-one, the upper end setting of connecting rod (4) is on corresponding connecting block (2), the lower extreme of connecting rod (4) is equipped with ring (41) that are used for erectting cable (11), the axial of ring (41) is unanimous with the length direction of connecting block (2), be equipped with on ring (41) and make cable (11) be located the first stop gear at ring (41) center all the time.
2. The device for measuring bending deformation of submarine cable according to claim 1, wherein said first limiting mechanism comprises:
the first limit structure of a plurality of, the first limit structure of a plurality of sets up on ring (41) along circumference, first limit structure has: a sleeve (42), the sleeve (42) being radially fixed to the ring (41); the sliding rod (5) is arranged in the sleeve (42) in a sliding mode, the outer end of the sliding rod (5) is provided with a limiting plate (6), the inner end of the sliding rod (5) is provided with a bottom plate (51), and a first roller (521) is rotatably arranged on the bottom plate (51); the pressing device comprises a first pressing spring (53) and a second pressing spring (54), wherein the first pressing spring (53) is sleeved on a sliding rod (5) between a bottom plate (51) and the inner side wall of a circular ring (41), and the second pressing spring (54) is sleeved on the sliding rod (5) between a limiting plate (6) and the outer side wall of the circular ring (41); a power generation structure provided on the base plate (51), the power generation structure being capable of generating power by rotation of the first rotating shaft (52);
the adjusting structure is arranged on the outer side of the circular ring (41), and the adjusting structure can adjust the distance from a plurality of limiting plates (6) to the circular ring (41) simultaneously.
3. The device for measuring bending deformation of submarine cable based on MEMS sensor according to claim 2, wherein, battery (25) is arranged in the connecting block (2), and the power generation structure comprises:
the first generator (55), the first generator (55) is fixedly arranged on the bottom plate (51), the first rotating shaft (52) is in transmission connection with an input shaft of the first generator (55), and the first generator (55) is electrically connected with the storage battery (25).
4. The device for measuring bending deformation of submarine cable according to claim 3, wherein said adjusting structure comprises:
the elastic steel sheet (7) is rolled into a circle and wound on the outer sides of the limiting plates (6), a stud (73) is arranged on the outer side of one end of the elastic steel sheet (7), a sliding groove hole (72) is formed in the other end of the elastic steel sheet (7) along the length direction, the stud (73) penetrates through the sliding groove hole (72), and the outer end of the stud is in threaded connection with a fixing nut (74);
a plurality of guide structure, a plurality of guide structure and a plurality of limiting plate (6) one-to-one, guide structure sets up on corresponding limiting plate (6), guide structure can zoom to elastic steel sheet (7) and play the guide effect.
5. The MEMS sensor-based device for measuring bending deformation of a submarine cable according to claim 4, wherein the guide structure comprises:
the two baffles (63) are respectively arranged on two sides of the limiting plate (6), and the elastic steel sheet (7) is positioned between the two limiting plates (6);
arc recess (61), one side that is close to elastic steel sheet (7) at limiting plate (6) is seted up in arc recess (61), arc recess (61) internal rotation is equipped with a plurality of second gyro wheel (62), the axial of second gyro wheel (62) is unanimous with the axial of ring (41).
6. Device for measuring bending deformation of submarine cables based on MEMS sensor according to claim 5, characterized in that, the end of the elastic steel sheet (7) close to sliding slot hole (72) is provided with push plate (71).
7. The device for measuring bending deformation of submarine cables based on MEMS sensor according to claim 2, wherein arc-shaped ring grooves (522) are formed on the wheel surfaces of the first rollers (521), and the arc-shaped ring grooves (522) are in contact with the outer surface of the cable (11).
8. The device for measuring bending deformation of a submarine cable based on MEMS sensor according to claim 1, wherein one end of the connecting blocks (2) is provided with a conical part (21), the outer end of the conical part (21) is provided with a spherical part (22), the other end of the connecting blocks (2) is provided with a conical groove (23), the inner end of the conical groove (23) is provided with a spherical groove (24), and the spherical part (22) of one connecting block (2) is movably connected in the spherical groove (24) of the adjacent connecting block (2).
9. The device for measuring bending deformation of submarine cables based on MEMS sensor according to claim 8, wherein there are several second limiting mechanisms on the side wall of tapered groove (23) along the circumferential direction, and the second limiting mechanisms can limit the rotation range of tapered portion (21) in tapered groove (23) as required.
10. The MEMS sensor-based device for measuring bending deformation of a submarine cable according to claim 9, wherein the second limiting mechanism comprises:
the mounting device comprises a plurality of mounting grooves (26), wherein the mounting grooves (26) are circumferentially arranged on the conical surface of a conical groove (23), a mounting plate (271) is hinged in each mounting groove (26), and a rubber block (27) is arranged on each mounting plate (271);
a plurality of electric push rod (261), a plurality of electric push rod (261) and a plurality of mounting groove (26) one-to-one, the one end of electric push rod (261) articulates in corresponding mounting groove (26), the other end of electric push rod (261) articulates on mounting panel (271).
CN202211018152.5A 2022-08-24 2022-08-24 Device for measuring bending deformation of submarine cable based on MEMS sensor Pending CN115290035A (en)

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Application Number Priority Date Filing Date Title
CN202211018152.5A CN115290035A (en) 2022-08-24 2022-08-24 Device for measuring bending deformation of submarine cable based on MEMS sensor

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Application Number Priority Date Filing Date Title
CN202211018152.5A CN115290035A (en) 2022-08-24 2022-08-24 Device for measuring bending deformation of submarine cable based on MEMS sensor

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115882413A (en) * 2022-12-19 2023-03-31 普拉思工业技术(江苏)有限公司 Protector suitable for various submarine cable specifications and diameters
CN116534214A (en) * 2023-05-29 2023-08-04 浙江合兴船业有限公司 Remote control system and method based on deck ship

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115882413A (en) * 2022-12-19 2023-03-31 普拉思工业技术(江苏)有限公司 Protector suitable for various submarine cable specifications and diameters
CN115882413B (en) * 2022-12-19 2023-09-01 普拉思工业技术(江苏)有限公司 Protector suitable for various submarine cable specification diameters
CN116534214A (en) * 2023-05-29 2023-08-04 浙江合兴船业有限公司 Remote control system and method based on deck ship
CN116534214B (en) * 2023-05-29 2024-04-09 浙江合兴船业有限公司 Remote control system and method based on deck ship

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