CN213473473U - Device for simulating penetration depth of ship anchor - Google Patents
Device for simulating penetration depth of ship anchor Download PDFInfo
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- CN213473473U CN213473473U CN202022480794.XU CN202022480794U CN213473473U CN 213473473 U CN213473473 U CN 213473473U CN 202022480794 U CN202022480794 U CN 202022480794U CN 213473473 U CN213473473 U CN 213473473U
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Abstract
The utility model relates to a device of simulation ship anchor penetration depth belongs to sea cable anchor damage prediction technical field, for avoiding the sea cable to receive the anchor damage influence, adopts technical scheme as follows: the utility model provides a device of simulation ship anchor depth of penetration, includes sandbox and support frame, is equipped with the altitude mixture control of taking the spacing platform of height-adjustable and model ship anchor on the support frame and throws year module, is equipped with the cylinder that has spacing end on the spacing platform, and when spacing end stretches out, the spacing model ship anchor of cylinder, when spacing end is retracted, cylinder release model ship anchor for model ship anchor can be under the not co-altitude vertical substrate that falls into, in order to obtain the depth of penetration of model ship anchor. Scaling can be carried out according to the typical ship anchor condition of the operating sea area and the operating substrate parameter condition for carrying out a test, so that the penetration depth of the actual ship anchor can be converted through scaling, and an indication can be provided for the submarine cable embedding depth; have initial velocity and horizontal velocity when effectively preventing model ship anchor whereabouts, reduce the device of this application and receive external factor influence.
Description
Technical Field
The utility model belongs to the technical field of sea cable anchor damage prediction, in particular to simulation ship anchor depth of penetration's device.
Background
With the large number of applications of submarine cables, the damage suffered by the submarine cables is more and more frequent. In the history of submarine cable damage, the damage caused by human factors accounts for 75% of the total damage of submarine cables, wherein the anchor damage accounts for one third of the total damage of the submarine cables caused by human factors. Submarine cable burying treatment is the most economical and effective method for protecting submarine cables at present. Although the submarine cable is buried in the seabed, the condition of anchor damage of the submarine cable caused by the anchoring and hooking of a ship also exists, and a device is needed to simulate the penetration condition of the ship anchor and predict the penetration depth, provide an indication for the buried depth of the submarine cable and prevent the submarine cable from being influenced by the anchor to reduce the service life.
SUMMERY OF THE UTILITY MODEL
For avoiding the submarine cable to receive the anchor influence, the utility model provides a device of simulation ship anchor depth of penetration through the depth of penetration of simulation ship anchor in the seabed, buries the degree of depth underground for submarine cable and provides the instruction, and does not adopt manual release model ship anchor in the device, reduces external factors and influences.
The utility model adopts the technical scheme as follows: the utility model provides a device of simulation ship anchor depth of penetration, includes the sandbox of built-in substrate and erects the support frame on the sandbox, is equipped with altitude mixture control load rejection module on the support frame, altitude mixture control load rejection module includes height-adjustable's spacing platform and model ship anchor, be equipped with the cylinder of taking the spacing end on the spacing platform, when spacing end stretches out, the cylinder is spacing model ship anchor for model ship anchor can follow spacing platform and reciprocate, when spacing end returns and contracts, the cylinder release model ship anchor for model ship anchor can be vertical under the co-altitude in the substrate, in order to obtain the depth of penetration of model ship anchor.
The bottom material can select a medium with the same parameter with the sea area of the actual operation, and the scaling test can be carried out according to the typical ship anchor condition of the operation sea area and the parameter condition of the operation bottom material, so that the penetration depth of the actual ship anchor can be converted through scaling, and the indication can be provided for the buried depth of the submarine cable; the manual release model ship anchor often makes the model ship anchor have initial velocity and horizontal velocity, and this can cause the penetration depth or the shallow of model ship anchor, and the measuring result is inaccurate, can release the model ship anchor after the spacing end withdrawal of cylinder, has initial velocity and horizontal velocity when effectively preventing the model ship anchor whereabouts, reduces the device of this application and receives external factor influence for the penetration depth of the model ship anchor that obtains is more accurate.
Furthermore, a rigid connecting chain is arranged at the top of the model ship anchor, a limiting hole is formed in the connecting chain so that the limiting end can conveniently penetrate through the connecting chain, when the limiting end penetrates through the limiting hole, the model ship anchor is limited by the cylinder, and when the limiting end leaves the limiting hole, the model ship anchor is released by the cylinder. Compared with a flexible chain, the rigid connecting chain is not easy to deform, a good stable state can be kept when the limiting end stretches out and draws back, and the accuracy of the penetration depth of the obtained model ship anchor is ensured.
Further, the connecting chain links to each other with the connecting rope of winding on the reel, the reel cover is put on step motor's output shaft, step motor is located a sliding platform of sliding connection on the support frame, be equipped with an one-way bearing between output shaft and the reel, step motor drive output shaft pivoted direction with reel wire winding direction is unanimous, opposite with one-way bearing's working direction to step motor one-way drive reel makes the connecting rope winding on the reel, conveniently retrieves the connecting rope and hangs the model ship anchor simultaneously. The reel can rotate in the forward and reverse directions, when the model ship anchor can fall under the self gravity, the one-way bearing works, at the moment, the reel rotates, and the output shaft does not move; when the stepping motor drives the output shaft to rotate, the one-way bearing does not work, the whole one-way bearing is driven by the output shaft and drives the reel and the coding disc to synchronously rotate so as to facilitate the connection rope to be wound on the reel; the one-way bearing is arranged to effectively reduce the influence of the motor torque on the wire winding wheel when the model ship anchor falls.
Further, still be equipped with the module of testing the speed on the sliding platform, the module of testing the speed includes the coding disc and is used for measuring the speed sensor of coding disc speed, the coding disc cover put on step motor's output shaft and with reel synchronous revolution to the speed sensor obtains the speed of reel through the speed of measuring the coding disc. When the model ship anchor is released, the model ship anchor falls under gravity, and the speed measuring module obtains the speed of the model ship anchor when falling into the substrate by measuring the rotating speed of the reel so as to adjust the position of the model ship anchor through the speed of the limiting platform.
Further, altitude mixture control throws and carries the module setting and is in on the sliding platform, altitude mixture control throws and carries the module setting in the front portion of sliding platform, be equipped with driving motor on the support frame and by driving motor driven hold-in range, sliding platform and hold-in range fixed connection for sliding platform sliding connection is in on the support frame. The sliding platform and the synchronous belt are synchronously translated so as to drive the height adjusting load rejection module to horizontally move along the supporting frame, and sufficient operation space is provided for measuring the penetration depth of the model ship anchor.
Further, be equipped with two branches that are parallel with the hold-in range on the support frame, sliding platform's both ends are put on two branches respectively for sliding platform steady movement.
Further, the height adjusting load rejection module further comprises a supporting frame, a size rod with scales is arranged on the supporting frame, a scale pointer is arranged on the limiting platform, and the scale pointer is close to the size rod so as to mark the position of the limiting platform.
Furthermore, a vertical sliding groove is formed in the supporting frame, and a fastener penetrates through the size rod to be limited in the sliding groove, so that the size rod is adjustable in position up and down. This arrangement facilitates the zero point of the size rod to be in the same plane as the upper surface of the substrate.
Further, a fixed pulley is arranged at the top of the supporting frame, and the connecting rope is sleeved on the fixed pulley so as to be convenient for the model ship anchor to be hoisted and released.
The utility model discloses beneficial effect who has: the bottom material can select a medium with the same parameter with the sea area of the actual operation, and the scaling test can be carried out according to the typical ship anchor condition of the operation sea area and the parameter condition of the operation bottom material, so that the penetration depth of the actual ship anchor can be converted through scaling, and the indication can be provided for the buried depth of the submarine cable; the spacing end of cylinder can release the model ship anchor after retracting, has initial velocity and horizontal velocity when effectively preventing the model ship anchor whereabouts, reduces the device of this application and receives external factor influence for the penetration depth of the model ship anchor that obtains is more accurate.
Drawings
FIG. 1 is a schematic structural view of the front side of a device for simulating penetration depth of a ship anchor;
FIG. 2 is a schematic view of the rear side of the apparatus for simulating penetration depth of a ship anchor;
FIG. 3 is a schematic structural view of the bottom direction of the device for simulating the penetration depth of the ship anchor;
FIG. 4 is an enlarged schematic view of region A in FIG. 1;
in the figure: 1-sandbox; 2-a support frame; 21-a drive motor; 22-a synchronous belt; 23-a strut; 3-height adjustment load rejection module; 31-a limiting platform; 311-cylinder; 312-a limiting end; 313-a scale pointer; 32-model ship anchor; 33-a connecting chain; 34-a support frame; 341-size rod; 342-a crown block; 4-a reel; 41-connecting ropes; 5-a step motor; 51-an output shaft; 52-one-way bearing; 6-a sliding platform; 7-a code wheel; 8-speed measuring sensor.
Detailed Description
The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.
The device for simulating the penetration depth of the ship anchor comprises a sandbox 1 with a built-in bottom material and a support frame 2 erected on the sandbox 1, wherein a height adjusting load rejection module 3 is arranged on the support frame 2, the height adjusting load rejection module 3 comprises a height adjustable limiting platform 31 and a model ship anchor 32, a cylinder 311 with a limiting end 312 is arranged on the limiting platform 31, when the limiting end 312 extends out, the cylinder 311 is limited to the model ship anchor 32, so that the model ship anchor 32 can move up and down along with the limiting platform 31, when the limiting end 312 retracts, the cylinder 311 releases the model ship anchor 32, and the model ship anchor 32 can vertically fall into the bottom material at different heights to obtain the penetration depth of the model ship anchor 32.
The bottom material can select a medium with the same parameter with the sea area of the actual operation, and the scaling test can be carried out according to the typical ship anchor condition of the operation sea area and the parameter condition of the operation bottom material, so that the penetration depth of the actual ship anchor can be converted through scaling, and the indication can be provided for the buried depth of the submarine cable; the manual release model ship anchor 32 often makes model ship anchor 32 have initial velocity and horizontal velocity, and this can cause the penetration depth or the shallowness of model ship anchor 32, and the measuring result is inaccurate, can release model ship anchor 32 after the spacing end 312 of cylinder 311 retracts, has initial velocity and horizontal velocity when effectively preventing model ship anchor 32 from falling, reduces the device of this application and receives external factor influence for the penetration depth of the model ship anchor 32 that obtains is more accurate.
The top of the model ship anchor 32 is provided with a rigid connecting chain 33, the connecting chain 33 is provided with a limiting hole so as to facilitate the passing of the limiting end 312, when the limiting end 312 passes through the limiting hole, the cylinder 311 limits the model ship anchor 32, and when the limiting end 312 leaves the limiting hole, the cylinder 311 releases the model ship anchor 32. The rigid link chain 33 is less likely to deform than the flexible chain, and can maintain a good stable state when the stopper end 312 is extended and retracted, thereby ensuring the accuracy of the penetration depth of the obtained model ship anchor 32.
The connecting chain 33 is connected with the connecting rope 41 wound on the reel 4, the reel 4 is sleeved on an output shaft 51 of the stepping motor 5, the stepping motor 5 is positioned on a sliding platform 6 which is in sliding connection with the support frame 2, an one-way bearing 52 is arranged between the output shaft 51 and the reel 4, the rotating direction of the output shaft 51 driven by the stepping motor 5 is consistent with the winding direction of the reel 4 and opposite to the working direction of the one-way bearing 52, so that the reel 4 is driven by the stepping motor 5 in a one-way mode to enable the connecting rope 41 to be wound on the reel 4, and the model boat anchor 32 is lifted up by the connecting rope 41 conveniently. The reel 4 can rotate in the forward and reverse directions, when the model ship anchor 32 can fall under the self gravity, the one-way bearing 52 works, at the moment, the reel 4 rotates, and the output shaft 51 does not move; when the stepping motor 5 drives the output shaft 51 to rotate, the one-way bearing 52 does not work, the whole one-way bearing is driven by the output shaft 51, and the reel 4 and the code disc 7 are driven to synchronously rotate, so that the connecting rope 41 is wound on the reel 4; the one-way bearing 52 is arranged to effectively reduce the influence of the motor torque on the wire winding wheel 4 when the model ship anchor 32 falls.
Still be equipped with the module of testing the speed on sliding platform 6, the module of testing the speed includes code wheel 7 and is used for measuring the tacho sensor 8 of code wheel 7 speed, code wheel 7 cover put on step motor 5's output shaft 51 and with reel 4 synchronous revolution to tacho sensor 8 obtains the speed of reel 4 through the speed of measuring code wheel 7. When the model ship anchor 32 is released, the model ship anchor 32 falls under gravity, and the speed measuring module obtains the speed at which the model ship anchor 32 falls into the substrate by measuring the rotation speed of the reel 4, so that the limit platform 31 adjusts the position of the model ship anchor 32 by the speed.
Height adjustment throws and carries module 3 and sets up in the front portion of sliding platform 6, be equipped with driving motor 21 on the support frame 2 and by driving motor 21 driven hold-in range 22, sliding platform 6 and hold-in range 22 fixed connection for sliding platform 6 sliding connection is in on the support frame 2. The sliding platform 6 and the synchronous belt 22 are synchronously translated so as to drive the height adjusting load rejection module 3 to horizontally move along the support frame 2, and sufficient operation space is provided for measuring the penetration depth of the model ship anchor 32.
Two supporting rods 23 parallel to the synchronous belt 22 are arranged on the supporting frame 2, and two ends of the sliding platform 6 are respectively sleeved on the two supporting rods 23, so that the sliding platform 6 can move stably.
The height adjusting and load rejection module 3 further comprises a supporting frame 34, a size rod 341 with scales is arranged on the supporting frame 34, a scale pointer 313 is arranged on the limiting platform 31, and the scale pointer 313 is arranged close to the size rod 341 so as to mark the position of the limiting platform 31.
A vertical sliding groove is formed in the support frame 34, and a fastener penetrates through the dimension rod 341 and is limited in the sliding groove, so that the dimension rod 341 can be adjusted in the vertical position. This arrangement facilitates the zero point of the size rod 341 to be in the same plane as the upper surface of the substrate.
A fixed pulley 342 is arranged on the top of the supporting frame 34, and the connecting rope 41 is sleeved on the fixed pulley 342 so as to facilitate the hoisting and releasing of the model ship anchor 32.
Assuming that the operating sea area with a substrate shear strength of 30kPa requires protection of the sea cable from a 2100kg ship anchor, the evaluation device model parameters were set according to the scaling principle, as shown in the following table.
| Evaluating device parameters | Engineering parameters (actual conditions) | |
| Scaling factor | 1 | 6.54 |
| Weight of ship anchor | 7.5kg | 2100kg |
| Penetration speed | Maximum 2.268m/s | Maximum 5.8m/s |
| Shear strength of soil | 4.59kPa | 30kPa |
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.
Claims (9)
1. A device for simulating the penetration depth of a ship anchor is characterized by comprising a sand box (1) with built-in bottom materials and a support frame (2) erected on the sand box (1), wherein a height adjusting load rejection module (3) is arranged on the support frame (2), the height adjusting load rejection module (3) comprises a height adjustable limiting platform (31) and a model ship anchor (32), the limiting platform (31) is provided with a cylinder (311) with a limiting end (312), when the limit end (312) extends out, the cylinder (311) limits the model ship anchor (32), so that the model ship anchor (32) can move up and down along with the limit platform (31), when the limit end (312) retracts, the cylinder (311) releases the model ship anchor (32), so that the model ship anchor (32) can be vertically dropped into the substrate at different heights to obtain the penetration depth of the model ship anchor (32).
2. The apparatus for simulating penetration depth of ship anchor according to claim 1, wherein the top of the model ship anchor (32) is provided with a rigid connecting chain (33), the connecting chain (33) is provided with a limiting hole for allowing the limiting end (312) to pass through, when the limiting end (312) passes through the limiting hole, the cylinder (311) limits the model ship anchor (32), and when the limiting end (312) leaves the limiting hole, the cylinder (311) releases the model ship anchor (32).
3. The device for simulating penetration depth of a ship anchor according to claim 2, wherein the connecting link (33) is connected with the connecting rope (41) wound on the reel (4), the reel (4) is sleeved on the output shaft (51) of the stepping motor (5), the stepping motor (5) is positioned on a sliding platform (6) slidably connected on the support frame (2), a one-way bearing (52) is arranged between the output shaft (51) and the reel (4), and the direction in which the stepping motor (5) drives the output shaft (51) to rotate is consistent with the winding direction of the reel (4) and opposite to the working direction of the one-way bearing (52), so that the stepping motor (5) drives the reel (4) in one way to wind the connecting rope (41) on the reel (4).
4. The device for simulating the penetration depth of the ship anchor according to claim 3, wherein a speed measuring module is further arranged on the sliding platform (6), the speed measuring module comprises a code disc (7) and a speed measuring sensor (8) for measuring the speed of the code disc (7), the code disc (7) is sleeved on the output shaft (51) of the stepping motor (5) and rotates synchronously with the reel (4), so that the speed measuring sensor (8) obtains the speed of the reel (4) by measuring the speed of the code disc (7).
5. The device for simulating the penetration depth of the ship anchor according to claim 3, wherein the height adjusting load rejection module (3) is arranged at the front part of the sliding platform (6), the supporting frame (2) is provided with a driving motor (21) and a synchronous belt (22) driven by the driving motor (21), and the sliding platform (6) is fixedly connected with the synchronous belt (22) so that the sliding platform (6) is slidably connected on the supporting frame (2).
6. The device for simulating the penetration depth of the ship anchor according to claim 5, wherein the supporting frame (2) is provided with two supporting rods (23) parallel to the synchronous belt (22), and two ends of the sliding platform (6) are respectively sleeved on the two supporting rods (23).
7. The device for simulating the penetration depth of the ship anchor according to claim 5, wherein the height adjusting load rejection module (3) further comprises a supporting frame (34), a size rod (341) with scales is arranged on the supporting frame (34), a scale pointer (313) is arranged on the limiting platform (31), and the scale pointer (313) is arranged close to the size rod (341).
8. The apparatus for simulating penetration depth of a ship anchor according to claim 7, wherein the supporting frame (34) is provided with a vertical sliding groove, and a fastening member is limited in the sliding groove through the dimension rod (341) so that the dimension rod (341) can be adjusted in up-and-down position.
9. The apparatus for simulating penetration depth of ship anchor according to claim 7, wherein a fixed pulley (342) is provided on the top of the supporting frame (34), and the connecting rope (41) is sleeved on the fixed pulley (342).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022480794.XU CN213473473U (en) | 2020-10-30 | 2020-10-30 | Device for simulating penetration depth of ship anchor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022480794.XU CN213473473U (en) | 2020-10-30 | 2020-10-30 | Device for simulating penetration depth of ship anchor |
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| CN213473473U true CN213473473U (en) | 2021-06-18 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112185233A (en) * | 2020-10-30 | 2021-01-05 | 浙江舟山海洋输电研究院有限公司 | Submarine cable burial depth evaluation device and evaluation method thereof |
| CN115014571A (en) * | 2022-05-25 | 2022-09-06 | 汕头大学 | Submarine cable risk event identification system and method |
-
2020
- 2020-10-30 CN CN202022480794.XU patent/CN213473473U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112185233A (en) * | 2020-10-30 | 2021-01-05 | 浙江舟山海洋输电研究院有限公司 | Submarine cable burial depth evaluation device and evaluation method thereof |
| CN115014571A (en) * | 2022-05-25 | 2022-09-06 | 汕头大学 | Submarine cable risk event identification system and method |
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