An underwater pressure hull health monitoring simulation test platform and method

Abstract

The application discloses an underwater pressure-resistant structure health monitoring simulation test platform and method, relates to the technical field of simulation test platforms, and comprises a counterweight support frame, a simulation test platform body, a folding support leg, a folding mechanism, a double-side holding assembly and a through-hole inserting fastener. The simulation test platform body is hoisted by equipment, and then the staff can dismount the simulation test platform body by bolts; subsequently, the folding support leg is rotated by 90 degrees, and then the folding support leg is fixed by being screwed into the threaded holes, so that the fixing cone is vertically downward; subsequently, the counterweight support frame is hoisted and placed in the sea, so that the simulation test platform body sinks into the seabed under the action of the gravity of the counterweight support frame; subsequently, the counterweight support frame is preliminarily fixed by being inserted into the seabed, so that the stability of the whole of the counterweight support frame and the simulation test platform body is improved, and the simulation test platform body is prevented from toppling.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of simulation test platform, in particular to an underwater pressure-resistant structure health monitoring simulation test platform and method. BACKGROUND

[0002] The observation function of the simulation platform is mainly to capture the process of ocean internal solitary wave and other ocean dynamic actions, and the changes of ocean physical and chemical indexes in the seabed boundary layer during the action of internal solitary wave. The related equipment is jointly carried on the observation simulation platform to form an in-situ observation system for internal solitary wave-induced South China Sea hydrate decomposition and geological disasters.

[0003] The existing simulation test platform generally sets a counterweight frame at the bottom end to sink into the seabed. After the simulation test platform sinks into the seabed, the counterweight frame itself does not have a stable structure, and the seabed topography is not flat, so that the simulation test platform is prone to tilt after sinking into the seabed, and even collapses under the impact of seabed organisms, thereby affecting the detection of the equipment on the simulation test platform. To solve the above problems, the present application provides an underwater pressure-resistant structure health monitoring simulation test platform and method. SUMMARY

[0004] The present application aims to solve the problem of poor stability of the simulation test platform after sinking into the seabed, which is prone to collapse, and provides an underwater pressure-resistant structure health monitoring simulation test platform and method.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: an underwater pressure-resistant structure health monitoring simulation test platform, comprising a counterweight support frame, the top end of the counterweight support frame is provided with a simulation test platform body, the bottom end of the counterweight support frame is provided with a plurality of folding legs, a folding mechanism is arranged between the plurality of folding legs and the counterweight support frame, the inner side of the folding leg is provided with a swing holding block, the inner side of the swing holding block is provided with a double-sided holding assembly, and the inside of the swing holding block is provided with a through-position plug-in fastener extending to the outside of the swing holding block.

[0006] The folding mechanism comprises a connecting seat fixedly connected to the bottom end of the counterweight support frame, the connecting seat is located on the outer walls of the two sides of the folding leg, the outer walls of the two sides of the folding leg are fixedly connected with a rotating shaft, one end of the rotating shaft penetrates into the inner side of the connecting seat and is rotatably connected with the connecting seat, the outer wall of one of the rotating shafts is fixedly connected with a swing link, the inner side of the swing link is threadedly connected with a bolt, two threaded holes are formed in the outer wall of one side of the connecting seat, the bolt is installed in the inner side of one of the threaded holes, and the outer part of the folding leg and the swing holding block is provided with a turnover holding piece.

[0007] As a further further scheme of the present application: the turnover holding part comprises a connecting shell fixedly connected to the outer wall of one side of the folding support leg, a driving motor is installed in the connecting shell, a rotating shaft is connected to the output end of the driving motor, one end of the rotating shaft penetrates to the inner side of the folding support leg and is fixedly connected with the swing holding block, two split blades are arranged at one end of the swing holding block.

[0008] As a further further scheme of the present application: the double-side holding assembly comprises two holding rods rotatably connected to the inner side of the swing holding block, a hydraulic cylinder is installed in the swing holding block, a pushing block is connected to the output end of the hydraulic cylinder, first rollers are rotatably connected to the outer walls of both sides of the pushing block, the first rollers are attached to the inner sides of the holding rods, a first pulling spring is installed between the two holding rods, a connecting plate is arranged on the outer wall of the holding rod, a plurality of first reinforcing cones are fixedly connected to the outer wall of the connecting plate, an auxiliary extension assembly is arranged at one end of the connecting plate and penetrates to the inner side of the holding rod.

[0009] As a further further scheme of the present application: the auxiliary extension assembly comprises an extension pushing plate arranged in the inner side of the holding rod, a rack is fixedly connected to one end of the extension pushing plate, a rectangular guide block is slidably connected to the inner side of the holding rod, one end of the rectangular guide block is fixedly connected to the connecting plate, a fixed block is fixedly connected to the outer wall of the holding rod, a one-way screw rod is rotatably connected to the inner side of the fixed block, one end of the one-way screw rod penetrates to the inner side of the rectangular guide block, a spur gear is fixedly connected to the outer wall of the one-way screw rod, and the spur gear is engaged with the rack.

[0010] As a further further scheme of the present application: a T-shaped block is slidably connected to the inner side of the holding rod, a T-shaped groove matched with the T-shaped block is formed in the inner side of the holding rod, a compression spring is fixedly connected to the outer wall of one side of the T-shaped block, one end of the compression spring is fixedly connected to the holding rod, and the T-shaped block is fixedly connected with the extension pushing plate.

[0011] As a further further scheme of the present application: a rectangular groove matched with the rectangular guide block is formed in the inner side of the holding rod, and a thread matched with the one-way screw rod is arranged in the inner side of the rectangular guide block.

[0012] As a further scheme of the present application: the through-hole inserting fastener comprises a push rod slidingly connected to the inner side of the swing holding block, the top end of the push rod is fixedly connected with a rectangular block, the top end of the rectangular block is fixedly connected with a plurality of second reinforcing cones, the bottom end of the push rod is rotatably connected with a ball, the outer wall of the push rod is fixedly connected with a second fixed ring, the outer wall of the second fixed ring is fixedly connected with a connecting spring, one end of the connecting spring is fixedly connected with the inner side of the swing holding block, one end of the push block is fixedly connected with an inclined push block, one side of the inclined push block is provided with an inclined surface, the ball is attached to the inclined surface, and a top support auxiliary unit is arranged between the push rod and the split blade.

[0013] As a further scheme of the present application: the top support auxiliary unit comprises a first fixed ring fixedly connected to the outer wall of the push rod, the inner side of the first fixed ring is fixedly connected with an inclined guide rod, one end of the inclined guide rod is rotatably connected with a guide wheel, the guide wheel is attached to the inner side of the split blade, the inner side of the split blade is fixedly connected with an L-shaped sliding block, the L-shaped sliding block is slidingly connected with the swing holding block, the outer wall of the swing holding block is provided with a guide groove, the L-shaped sliding block is arranged in the guide groove, the inner side of the L-shaped sliding block is fixedly connected with a second pulling spring, and one end of the second pulling spring is fixedly connected with the swing holding block.

[0014] As a further scheme of the present application: the inner sides of the two split blades are attached together in an arch shape, and the split blades are arranged obliquely.

[0015] The application further discloses a simulation test method for underwater pressure-resistant structure health monitoring, and adopts the simulation test platform for underwater pressure-resistant structure health monitoring.

[0016] S1, when the staff installs the monitoring equipment on the simulation test platform body, then the simulation test platform body can be lifted by the equipment, then the staff can disassemble the bolt, then rotate the folding support leg by 90 degrees, then screw the bolt into the threaded hole, fix the folding support leg, make the fixing cone vertical downward, then hoist the counterweight support frame in the sea, make the simulation test platform body sink to the seabed under the action of the gravity of the counterweight support frame, then preliminarily fix the counterweight support frame by inserting the fixing cone into the seabed.

[0017] S2, when the folding branch is in contact with the seabed, then the staff controls the driving motor to start through external equipment, the output end of the driving motor drives the rotating shaft to drive the rotary block to rotate, and breaks into the seabed soil under the action of two split blades, when the rotary block is perpendicular to the folding branch, the driving motor stops running, so that the counterweight support frame forms a spider web, and the rotary block is in a clamping state formed by the rotary block, so that the stability of the folding branch is increased;

[0018] S3, when the rotary block is perpendicular to the folding branch, the hydraulic cylinder is started, the output end of the hydraulic cylinder drives the push block to drive the first roller to move to the bottom end of the rotary block, and two clamping rods are pushed by the first roller to drive a plurality of first reinforcing cones to rotate outside the rotary block through the connecting plate, so that the first reinforcing cone can be inserted into the sand soil on the side of the rotary block, and the sand soil on the side of the rotary block is compressed by two clamping rods, so that the rotary block is supported, and the stability of the rotary block is improved;

[0019] S4, when the first reinforcing cone is inserted into the sand soil on the side of the rotary block, the output end of the hydraulic cylinder continues to push the push block to move, so that when the push block is in contact with the extension plate, the extension plate drives the rack to slide along the T-shaped groove through the T-shaped block, so that the straight gear drives the one-way screw to rotate, and then drives the rectangular guide block to slide outside the clamping rod through the connecting plate, so that the first reinforcing cone moves to the deep sand soil on the side of the rotary block, so that the stability of the clamping rod is improved, and the rotary block is fixed more firmly;

[0020] S5, when the output end of the hydraulic cylinder drives the push block to move, the inclined push block is driven to move, the ball is pushed to move to the inside of the split blade under the action of the inclined surface, and two split blades are pushed to move outside the rotary block under the action of the guide wheel, so that two split blades are compressed on the sand soil, and the sand soil is compressed, the push rod moves, and a plurality of second reinforcing cones are moved by the rectangular block, when two split blades are separated, the second reinforcing cone is inserted into the sand soil, so that the contact area between the rotary block and the sand soil is increased, and the stability of the rotary block is improved.

[0021] Compared with the prior art, the beneficial effects of the present application are:

[0022] 1. By setting the folding mechanism, the simulation experiment platform body is lifted by the equipment, then the staff can disassemble it by bolts, then rotate the folding legs by ninety degrees, then screw the bolts into the threaded holes, fix the folding legs, make the fixing cone vertical downward, then hoist the counterweight support frame in the sea, make the simulation experiment platform body sink into the seabed under the action of the gravity of the counterweight support frame, then insert the fixing cone into the seabed, preliminarily fix the counterweight support frame, thereby improving the stability of the counterweight support frame and the simulation experiment platform body as a whole, and avoiding the simulation experiment platform body from falling over;

[0023] 2. By setting the turnover holding part, when the folding leg contacts the seabed, then the staff controls the driving motor to start through external equipment, the driving motor output drives the rotating shaft to rotate the swing holding block, which breaks into the seabed sand under the action of the two split blades, when the swing holding block rotates to be perpendicular to the folding leg, the driving motor stops running, thereby making the counterweight support frame form a spider web, and the swing holding block forms a holding state, thereby increasing the firmness of the folding leg;

[0024] 3. By setting the double-side holding assembly, when the swing holding block rotates to be perpendicular to the folding leg, the hydraulic cylinder is started, the hydraulic cylinder output drives the push block to drive the first roller to move to the bottom end of the swing holding block, since the two holding struts are inclined, the first roller pushes the two holding struts to rotate the plurality of first reinforcing cones outside the swing holding block through the connecting plate, thereby making the first reinforcing cone insert into the sand on the side of the swing holding block, and the two holding struts press the sand on the side of the swing holding block, thereby supporting the swing holding block and improving the stability of the swing holding block;

[0025] 4. By setting the auxiliary extension assembly, when the first reinforcing cone inserts into the sand on the side of the swing holding block, the hydraulic cylinder output continues to push the push block to move, when the push block contacts the extension push plate, the extension push plate drives the rack to slide along the T-shaped groove through the T-shaped block, thereby pushing the spur gear to drive the one-way screw to rotate, and then driving the rectangular guide block to slide outside the holding strut through the connecting plate, making the first reinforcing cone move to the deep sand on the side of the swing holding block, thereby improving the firmness of the holding strut, and making the swing holding block fixed more firmly;

[0026] 5. By setting the through-hole insertion fastening piece and the top support auxiliary unit, when the hydraulic cylinder output end drives the push block to move, the inclined push block is driven to move, under the action of the inclined surface, the ball is pushed to drive the push rod to move to the inside of the split blade, under the action of the guide wheel, the two split blades are pushed to move to the outside of the swing holding block, so that the two split blades are pressed on the sand, the sand is formed to be pressed, the push rod moves, at the same time, a plurality of second reinforcing cones are driven to move by the rectangular block, when the two split blades are separated, the second reinforcing cone is inserted into the sand, so as to increase the contact area of the swing holding block and the sand, and improve the stability of the whole swing holding block. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is a structural schematic diagram of the application;

[0028] Figure 2 It is a structural schematic diagram of the bottom of the counterweight support frame of the application;

[0029] Figure 3 It is a structural schematic diagram of the folding leg of the application;

[0030] Figure 4 It is an inside cross-sectional view of the swing holding block of the application;

[0031] Figure 5 It is a cross-sectional view of the holding support rod of the application;

[0032] Figure 6 It is a structural schematic diagram of the auxiliary extension assembly of the application;

[0033] Figure 7 It is a cross-sectional view of the split blade of the application;

[0034] Figure 8 It is a Figure 7 It is an enlarged view of A in the figure;

[0035] Figure 9 It is a structural schematic diagram of the through-hole insertion fastening piece and the top support auxiliary unit of the application.

[0036] In the figure: 1, counterweight support frame; 2, simulation experiment platform body; 3, folding support leg; 4, connecting seat; 5, split blade; 6, swing holding block; 7, fixed cone; 8, connecting shell; 9, rotating shaft; 10, driving motor; 11, rotating shaft; 12, swing connecting rod; 13, bolt; 14, threaded hole; 15, hydraulic cylinder; 16, push block; 17, first roller; 18, holding support rod; 19, first pulling spring; 20, inclined push block; 21, connecting plate; 22, first reinforcing cone; 23, extended push plate; 24, T-shaped block; 25, compression spring; 26, fixed block; 27, rack; 28, rectangular guide block; 29, T-shaped groove; 30, spur gear; 31, one-way screw; 32, inclined guide rod; 33, guide wheel; 34, L-shaped slider; 35, push guide rod; 36, rectangular block; 37, first fixed ring; 38, second pulling spring; 39, guide groove; 40, second reinforcing cone; 41, second fixed ring; 42, connecting spring; 43, inclined surface; 44, ball. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0038] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "arrangement" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. The embodiments of the present application will be described below according to the overall structure of the present application.

[0039] Please refer to Figures 1-9The embodiment of the application discloses an underwater pressure-resistant structure health monitoring simulation test platform, which comprises a counterweight support frame 1, a simulation test platform body 2 is arranged on the top end of the counterweight support frame 1, a plurality of folding legs 3 are arranged at the bottom end of the counterweight support frame 1, folding mechanisms are arranged between the plurality of folding legs 3 and the counterweight support frame 1, a swing holding block 6 is arranged on the inner side of the folding leg 3, a double-side holding assembly is arranged on the inner side of the swing holding block 6, and a through-position inserting fastener is arranged in the swing holding block 6 and extends to the outside of the swing holding block 6.

[0040] The folding mechanism comprises a connecting seat 4 fixedly connected to the bottom end of the counterweight support frame 1, the connecting seat 4 is arranged on the outer wall of the two sides of the folding leg 3, a rotating shaft 11 is fixedly connected to the outer wall of the two sides of the folding leg 3, one end of the rotating shaft 11 penetrates into the inner side of the connecting seat 4 and is rotationally connected with the connecting seat 4, the outer wall of one of the rotating shafts 11 is fixedly connected with a swing connecting rod 12, the inner side of the swing connecting rod 12 is threadedly connected with a bolt 13, two threaded holes 14 are formed in the outer wall of one side of the connecting seat 4, and the bolt 13 is arranged in the inner side of one of the threaded holes 14.

[0041] In the embodiment, when the staff installs the monitoring equipment on the simulation test platform body 2, the simulation test platform body 2 can be hoisted by the equipment, then the staff can dismount the bolt 13, then the folding leg 3 is rotated by 90 degrees, the folding leg 3 is fixed by screwing the bolt 13 into the threaded hole 14, the fixed cone 7 is vertically downward, then the counterweight support frame 1 is hoisted in the sea, the simulation test platform body 2 is sunk into the seabed under the action of the gravity of the counterweight support frame 1, and the counterweight support frame 1 is preliminarily fixed by inserting the fixed cone 7 into the seabed, so that the stability of the counterweight support frame 1 is improved, and the simulation test platform body 2 is prevented from toppling.

[0042] Please refer to Figures 2-3 The turnover holding assembly comprises a connecting shell 8 fixedly connected to the outer wall of one side of the folding leg 3, a driving motor 10 is arranged in the connecting shell 8, a rotating shaft 9 is connected to the output end of the driving motor 10, one end of the rotating shaft 9 penetrates into the inner side of the folding leg 3 and is fixedly connected with the swing holding block 6, two split blades 5 are arranged at one end of the swing holding block 6 and are attached together.

[0043] In this embodiment: when the folding legs 3 contact the seabed, then the staff controls the driving motor 10 to start through external equipment, the driving motor 10 output end drives the rotating shaft 9 to drive the rotary block 6 to rotate, break into the seabed soil under the action of the two split blades 5, when the rotary block 6 rotates to be perpendicular to the folding legs 3, the driving motor 10 stops running, so that the counterweight support frame 1 forms a spider web, so that the rotary block 6 forms a tight state, thereby increasing the firmness of the folding legs 3.

[0044] Please refer to Figures 2-5 , the double-sided tight component includes two tight support rods 18 rotatably connected inside the rotary block 6, the inside of the rotary block 6 is provided with a hydraulic cylinder 15, the output end of the hydraulic cylinder 15 is connected with a push block 16, the two sides of the push block 16 are rotatably connected with first rollers 17, and the first rollers 17 are attached to the inside of the tight support rod 18, a first pulling spring 19 is installed between the two tight support rods 18, the outer wall of the tight support rod 18 is provided with a connecting plate 21, a plurality of first reinforcing cones 22 are fixedly connected to the outer wall of the connecting plate 21, and the one end of the connecting plate 21 is provided with an auxiliary extension component penetrating into the inside of the tight support rod 18.

[0045] In this embodiment: when the rotary block 6 rotates to be perpendicular to the folding legs 3, the hydraulic cylinder 15 is started, the output end of the hydraulic cylinder 15 drives the push block 16 to drive the first rollers 17 to move to the bottom end of the rotary block 6, due to the inclined arrangement of the two tight support rods 18, the first rollers 17 push the two tight support rods 18 to drive the plurality of first reinforcing cones 22 to rotate outside the rotary block 6 through the connecting plate 21, so that the first reinforcing cones 22 can be inserted into the sand on the side of the rotary block 6, and at the same time, the sand on the side of the rotary block 6 is compressed by the two tight support rods 18, so as to support the rotary block 6, thereby improving the stability of the rotary block 6.

[0046] Please refer to Figures 5-6The auxiliary extension assembly comprises an extension push plate 23 arranged inside the embracing support rod 18, one end of the extension push plate 23 is fixedly connected with a rack 27, the inner side of the embracing support rod 18 is slidably connected with a rectangular guide block 28, one end of the rectangular guide block 28 is fixedly connected with the connecting plate 21, the outer wall of the embracing support rod 18 is fixedly connected with a fixed block 26, the inner side of the fixed block 26 is rotatably connected with a one-way screw rod 31, one end of the one-way screw rod 31 penetrates to the inner side of the rectangular guide block 28, the outer wall of the one-way screw rod 31 is fixedly connected with a spur gear 30, the spur gear 30 is engaged with the rack 27, the inner side of the embracing support rod 18 is slidably connected with a T-shaped block 24, the inner side of the embracing support rod 18 is provided with a T-shaped groove 29 matched with the T-shaped block 24, one side of the outer wall of the T-shaped block 24 is fixedly connected with a compression spring 25, one end of the compression spring 25 is fixedly connected with the embracing support rod 18, the T-shaped block 24 is fixedly connected with the extension push plate 23, the inner side of the embracing support rod 18 is provided with a rectangular groove matched with the rectangular guide block 28, and the inner side of the rectangular guide block 28 is provided with a thread matched with the one-way screw rod 31.

[0047] In the embodiment, when the first reinforcing cone 22 is inserted into the sand soil on the side of the whirling embracing block 6, the output end of the hydraulic cylinder 15 continues to push the push block 16 to move, so that when the push block 16 contacts with the extension push plate 23, the extension push plate 23 is pushed to drive the rack 27 to slide along the T-shaped groove 29 through the T-shaped block 24, so as to push the spur gear 30 to drive the one-way screw rod 31 to rotate, and then drive the rectangular guide block 28 to slide outside the embracing support rod 18 through the connecting plate 21, so that the first reinforcing cone 22 moves to the deep part of the sand soil on the side of the whirling embracing block 6, thereby improving the firmness of the embracing support rod 18, and further making the whirling embracing block 6 more fixed.

[0048] Please refer to Figures 8-9The through-position inserting fastener comprises a push derivation rod 35 slidingly connected to the inner side of the swing holding block 6, a rectangular block 36 fixedly connected to the top end of the push derivation rod 35, a plurality of second reinforcing cones 40 fixedly connected to the top end of the rectangular block 36, a ball 44 rotatably connected to the bottom end of the push derivation rod 35, a second fixed ring 41 fixedly connected to the outer wall of the push derivation rod 35, a connecting spring 42 fixedly connected to the outer wall of the second fixed ring 41, one end of the connecting spring 42 being fixedly connected to the inner side of the swing holding block 6, one end of the push block 16 being fixedly connected to an inclined push block 20, an inclined surface 43 being arranged on one side of the inclined push block 20, the ball 44 being attached to the inclined surface 43, a top support auxiliary unit being arranged between the push derivation rod 35 and the split blade 5, the top support auxiliary unit comprising a first fixed ring 37 fixedly connected to the outer wall of the push derivation rod 35, an inclined guide rod 32 fixedly connected to the inner side of the first fixed ring 37, a guide wheel 33 rotatably connected to one end of the inclined guide rod 32, the guide wheel 33 being attached to the inner side of the split blade 5, an L-shaped sliding block 34 being fixedly connected to the inner side of the split blade 5, the L-shaped sliding block 34 being slidingly connected to the swing holding block 6, a guide groove 39 being arranged on the outer wall of the swing holding block 6, the L-shaped sliding block 34 being arranged in the guide groove 39, a second pulling spring 38 being fixedly connected to the inner side of the L-shaped sliding block 34, one end of the second pulling spring 38 being fixedly connected to the swing holding block 6, the inner sides of the two split blades 5 being attached together in an arc shape, and the split blades 5 being arranged obliquely.

[0049] In the embodiment, when the output end of the hydraulic cylinder 15 drives the push block 16 to move, the inclined push block 20 is also driven to move, the ball 44 is pushed to move the push derivation rod 35 to the inner side of the split blade 5 under the action of the inclined surface 43, the two split blades 5 are pushed to move to the outer side of the swing holding block 6 under the action of the guide wheel 33, so that the two split blades 5 are pressed on the sand to press the sand, the push derivation rod 35 is moved to move the plurality of second reinforcing cones 40 through the rectangular block 36, and when the two split blades 5 are separated, the second reinforcing cones 40 are inserted into the sand to increase the contact area between the swing holding block 6 and the sand and improve the stability of the swing holding block 6 as a whole.

[0050] The following is a kind of underwater pressure-resistant structure health monitoring simulation test platform, and a kind of underwater pressure-resistant structure health monitoring simulation test method is provided, and specific steps include the following steps:

[0051] S1, when the staff will monitor the installation of the device on the simulation experiment platform body 2, then can be simulation experiment platform body 2 through the device hoist, then the staff can bolt 13 disassembly, then the folding legs 3 rotate ninety degrees, then through the bolt 13 into the threaded hole 14 inside, the folding legs 3 are fixed, so that the fixed cone 7 is vertical downward, then the counterweight support frame 1 is hoisted in the sea, so that the simulation experiment platform body 2 sinks into the seabed under the action of the counterweight support frame 1 gravity, then the fixed cone 7 is inserted into the seabed, the counterweight support frame 1 is preliminarily fixed;

[0052] S2, when the folding legs 3 contact with the seabed, then the staff controls the drive motor 10 to start through the external device, the drive motor 10 output end drive rotating shaft 9 drives the rotary swing clamping block 6 to rotate, under the action of two split blades 5, break into the seabed sand, when the rotary swing clamping block 6 rotates to the vertical of the folding legs 3, the drive motor 10 stops running, so that the counterweight support frame 1 forms a spider web, so that the rotary swing clamping block 6 forms a clamping state, thereby increasing the firmness of the folding legs 3;

[0053] S3, when the rotary swing clamping block 6 rotates to the vertical of the folding legs 3, the hydraulic cylinder 15 is started, the hydraulic cylinder 15 output end drive push block 16 drives the first roller 17 to move to the bottom end of the rotary swing clamping block 6, because the two clamping bars 18 are inclined, so that the first roller 17 drives the two clamping bars 18 to rotate outside the rotary swing clamping block 6 through the connecting plate 21, so that the first reinforcing cone 22 can be inserted into the sand on the side of the rotary swing clamping block 6, at the same time, the two clamping bars 18 press the sand on the side of the rotary swing clamping block 6, so as to support the rotary swing clamping block 6, thereby improving the stability of the rotary swing clamping block 6;

[0054] S4, when the first reinforcing cone 22 is inserted into the sand on the side of the rotary swing clamping block 6, the hydraulic cylinder 15 output end continues to push the push block 16 to move, so that the push block 16 contacts with the extension plate 23, the extension plate 23 drives the rack 27 to slide along the T-shaped groove 29 through the T-shaped block 24, so as to drive the spur gear 30 to rotate, in turn drive the rectangular guide block 28 to slide outside the clamping bar 18 through the connecting plate 21, so that the first reinforcing cone 22 moves to the deep sand on the side of the rotary swing clamping block 6, thereby improving the firmness of the clamping bar 18, in turn, the rotary swing clamping block 6 is fixed more firmly;

[0055] S5, when the hydraulic cylinder 15 output end drive push block 16 to move while driving the inclined push block 20 to move, under the action of the inclined surface 43 push ball 44 lead to the push lead rod 35 to the inside of the split blade 5 move, through the guide wheel 33 under the action of two split blade 5 to the outside of the rotary swing block 6 move, so that the two split blade 5 is pressed on the sand, the sand is formed, push lead rod 35 to move at the same time through the rectangular block 36 lead to a plurality of second reinforcing cone 40 to move, when the two split blade 5 is separated, the second reinforcing cone 40 is inserted into the sand, so as to increase the contact area between the rotary swing block 6 and the sand, at the same time, the stability of the rotary swing block 6 as a whole is improved.

[0056] The above description is only the preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered by the protection scope of the present application.

Claims

1. An underwater pressure hull health monitoring simulation test platform comprising a ballast support frame (1), characterized in that, The top end of the counterweight support frame (1) is loaded with a simulation experiment platform body (2), the bottom end of the counterweight support frame (1) is provided with a plurality of folding legs (3), a plurality of folding legs (3) and the counterweight support frame (1) between the folding mechanism is provided, the inner side of the folding leg (3) is provided with a swing holding block (6), the inner side of the swing holding block (6) is provided with a double side holding assembly, the inside of the swing holding block (6) is provided with a through position insertion fastener extending to the outside of the swing holding block (6); the side wall of the folding leg (3) is provided with a fixed cone (7); The folding mechanism comprises a connecting seat (4) fixedly connected to the bottom end of the counterweight support frame (1), the connecting seat (4) is located on the both sides of the outer wall of the folding leg (3), the both sides of the outer wall of the folding leg (3) are fixedly connected with the rotating shaft (11), one end of the rotating shaft (11) penetrates to the inner side of the connecting seat (4) and is rotatably connected with the connecting seat (4), the outer wall of one of the rotating shafts (11) is fixedly connected with the swing connecting rod (12), the inner side of the swing connecting rod (12) is threadedly connected with the bolt (13), the outer wall of one side of the connecting seat (4) is provided with two threaded holes (14), the bolt (13) is installed in the inner side of one of the threaded holes (14), the folding leg (3) and the outside of the swing holding block (6) are provided with a turnover holding piece; the turnover holding piece comprises a connecting shell (8) fixedly connected to one side of the outer wall of the folding leg (3), a drive motor (10) is installed in the inside of the connecting shell (8), the output end of the drive motor (10) is connected with a rotating shaft (9), one end of the rotating shaft (9) penetrates to the inner side of the folding leg (3) and is fixedly connected with the swing holding block (6), one end of the swing holding block (6) is provided with two split blades (5), and the two split blades (5) are attached together; the double side holding assembly comprises two holding struts (18) rotatably connected to the inner side of the swing holding block (6), a hydraulic cylinder (15) is installed in the inside of the swing holding block (6), the output end of the hydraulic cylinder (15) is connected with a push block (16), the both sides of the outer wall of the push block (16) are rotatably connected with a first roller (17), and the first roller (17) is attached to the inner side of the holding strut (18), a first pulling spring (19) is installed between the two holding struts (18), the outer wall of the holding strut (18) is provided with a connecting plate (21), the outer wall of the connecting plate (21) is fixedly connected with a plurality of first reinforcing cones (22), one end of the connecting plate (21) is provided with an auxiliary extension assembly penetrating to the inner side of the holding strut (18).

2. The health monitoring simulation test platform for an underwater pressure hull according to claim 1, characterized in that, The auxiliary extension assembly comprises an extension push plate (23) arranged inside the embracing support rod (18), one end of the extension push plate (23) is fixedly connected with a rack (27), the inside of the embracing support rod (18) is slidably connected with a rectangular guide block (28), one end of the rectangular guide block (28) is fixedly connected with the connecting plate (21), the outer wall of the embracing support rod (18) is fixedly connected with a fixed block (26), the inside of the fixed block (26) is rotatably connected with a one-way screw rod (31), one end of the one-way screw rod (31) penetrates to the inside of the rectangular guide block (28), the outer wall of the one-way screw rod (31) is fixedly connected with a spur gear (30), and the spur gear (30) is engaged with the rack (27).

3. The health monitoring simulation test platform for an underwater pressure hull according to claim 2, characterized in that, The inside of the embracing support rod (18) is slidably connected with a T-shaped block (24), the inside of the embracing support rod (18) is provided with a T-shaped groove (29) matched with the T-shaped block (24), the outer wall of one side of the T-shaped block (24) is fixedly connected with a compression spring (25), one end of the compression spring (25) is fixedly connected with the embracing support rod (18), and the T-shaped block (24) is fixedly connected with the extension push plate (23).

4. The health monitoring simulation test platform for an underwater pressure hull according to claim 3, characterized in that, The inside of the embracing support rod (18) is provided with a rectangular groove matched with the rectangular guide block (28), and the inside of the rectangular guide block (28) is provided with a thread matched with the one-way screw rod (31).

5. The health monitoring simulation test platform for an underwater pressure hull according to claim 4, characterized in that, The position-penetrating and clamping part comprises a push derivation rod (35) slidably connected to the inside of the rotary embracing block (6), the top end of the push derivation rod (35) is fixedly connected with a rectangular block (36), the top end of the rectangular block (36) is fixedly connected with a plurality of second reinforcing cones (40), the bottom end of the push derivation rod (35) is rotatably connected with a ball (44), the outer wall of the push derivation rod (35) is fixedly connected with a second fixed ring (41), the outer wall of the second fixed ring (41) is fixedly connected with a connecting spring (42), one end of the connecting spring (42) is fixedly connected with the inside of the rotary embracing block (6), one end of the push block (16) is fixedly connected with an inclined push block (20), one side of the inclined push block (20) is provided with an inclined surface (43), the ball (44) is attached to the inclined surface (43), and a supporting auxiliary unit is arranged between the push derivation rod (35) and the segmented blade (5).

6. The health monitoring simulation test platform for an underwater pressure hull according to claim 5, characterized in that, The top supporting auxiliary unit comprises a first fixed ring (37) fixedly connected to the outer wall of the push derivation rod (35), an inclined guide rod (32) fixedly connected to the inner side of the first fixed ring (37), a guide wheel (33) rotatably connected to one end of the inclined guide rod (32), the guide wheel (33) being attached to the inner side of the segmentation blade (5), an L-shaped sliding block (34) fixedly connected to the inner side of the segmentation blade (5), the L-shaped sliding block (34) being slidably connected with the swing embracing block (6), a guide groove (39) being formed in the outer wall of the swing embracing block (6), the L-shaped sliding block (34) being arranged in the guide groove (39), and a second pulling spring (38) fixedly connected to the inner side of the L-shaped sliding block (34), one end of the second pulling spring (38) being fixedly connected with the swing embracing block (6).

7. The health monitoring simulation test platform for an underwater pressure hull according to claim 6, characterized in that, The inner sides of the two segmentation blades (5) are attached together in an arc shape, and the segmentation blades (5) are arranged obliquely.

8. A method for simulation test of health monitoring of a pressure hull, characterized in that, The underwater pressure-resistant structure health monitoring simulation test platform of any one of claims 1-7 comprises the following steps: S1, when the staff installs the monitoring equipment on the simulation test platform body (2), then the simulation test platform body (2) is lifted by the equipment, then the staff removes the bolt (13), then rotates the folding leg (3) by 90 degrees, then screws the bolt (13) into the threaded hole (14), fixes the folding leg (3), makes the fixed cone (7) vertical downward, then hoists the counterweight support frame (1) in the sea, makes the simulation test platform body (2) sink to the seabed under the action of the gravity of the counterweight support frame (1), then inserts the fixed cone (7) into the seabed, and preliminarily fixes the counterweight support frame (1); S2, when the folding leg (3) contacts the seabed, then the staff controls the driving motor (10) to start through the external equipment, the driving motor (10) drives the rotating shaft (9) to rotate, the swing embracing block (6) rotates under the action of the two segmentation blades (5), breaks into the seabed soil, when the swing embracing block (6) rotates to be perpendicular to the folding leg (3), the driving motor (10) stops running, so that the counterweight support frame (1) forms a spider web, and the folding leg (3) is firmly embraced by the swing embracing block (6), thereby increasing the firmness of the folding leg (3); S3, when the rotary block (6) rotates to the folding legs (3) perpendicular, start the hydraulic cylinder (15), the hydraulic cylinder (15) output drive push block (16) drive first roller (17) to the rotary block (6) bottom end movement, due to the two tight branch rod (18) inclined setting, thus through the first roller (17) under the action of two tight branch rod (18) through the connecting plate (21) drive multiple first strengthening cone (22) to the rotary block (6) outside rotation, so that the first strengthening cone (22) can be inserted into the rotary block (6) side sand, at the same time through two tight branch rod (18) to the rotary block (6) side sand compaction, to this to the rotary block (6) form support, thus improve the stability of the rotary block (6).

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