CN112924202A - Test device for simulating ejection type penetration installation and circular drawing of fish and thunder anchor - Google Patents
Test device for simulating ejection type penetration installation and circular drawing of fish and thunder anchor Download PDFInfo
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- CN112924202A CN112924202A CN202110106258.XA CN202110106258A CN112924202A CN 112924202 A CN112924202 A CN 112924202A CN 202110106258 A CN202110106258 A CN 202110106258A CN 112924202 A CN112924202 A CN 112924202A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/007—Subject matter not provided for in other groups of this subclass by applying a load, e.g. for resistance or wear testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/38—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by electromagnetic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic means
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Abstract
The invention relates to a test device for simulating ejection type penetration installation and circular drawing of a torpedo anchor, which is used for performing penetration installation and circular drawing tests on a torpedo anchor model. Compared with the prior art, the method has the advantages of good universality, high simulation precision, high safety and the like.
Description
Technical Field
The invention relates to the technical field of torpedo anchor model tests, in particular to a test device for simulating ejection type penetration installation and circular drawing of a torpedo anchor.
Background
In recent years, in the face of increasingly severe environmental and resource problems, countries around the world are seeking safer, cleaner, and renewable energy sources. The traditional fossil energy in the energy consumption of China has large proportion, low energy utilization efficiency and large waste and pollution, so the development of novel clean energy is particularly urgent. In the last two decades, wind turbines have been rapidly developed all over the world, and China has become the country with the largest installed wind power capacity all over the world, wherein the construction of ocean wind power engineering can fully utilize abundant wind energy resources. Wind power engineering has been developed from land to shallow sea, and from shallow sea to deep sea, and related research on floating wind turbine units is actively carried out at present.
The floating wind turbine generator set is mainly divided into the following parts according to the structural form: mast, semi-submersible and tension leg, all three forms of foundation require a mooring foundation to maintain structural stability. Torpedo Anchor (Torpedo Anchor) was first proposed in 1996 by brazil oil company as a new concept Anchor and applied in mooring systems for offshore oil and gas platforms. The fish-stone anchor has the advantages of strong anchoring capability, convenient manufacture and construction, low cost, recoverability and the like, thereby being widely researched and applied.
In order to research dynamic penetration and circular drawing tests of a torpedo anchor, a foundation is laid for the research of a novel anchoring system in an offshore wind power platform, the research of a torpedo anchor test device is continuously carried out, a torpedo anchor simulation test device in the prior art, such as a torpedo anchor penetration and loading device applied to a centrifugal test and a vertical circular drawing test device of a torpedo anchor model in a Power type torpedo anchor basic structure and characteristics are disclosed in deep water dynamic embedded anchor anchors, but the above devices have certain defects and shortcomings, the former needs to be tested by a centrifugal machine, the incidence speed is uncontrollable, and the latter can only be subjected to a loading test and cannot be subjected to a dynamic penetration test. And both the two types of devices can only carry out specific tests, and have poor universality and narrow application range.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a test device for simulating the ejection type penetration installation and the cyclic drawing of a torpedo anchor, which has the advantages of good universality, high simulation precision and high safety.
The purpose of the invention can be realized by the following technical scheme:
a test device for simulating ejection type penetration installation and cyclic drawing of a torpedo anchor is used for performing penetration installation and cyclic drawing tests on a torpedo anchor model and comprises a supporting base, a model box, an XY axis motion mechanism, a torpedo anchor launching mechanism and a torpedo anchor drawing mechanism; the XY axis motion mechanism is arranged on the supporting base; the torpedo anchor launching mechanism and the torpedo anchor drawing mechanism are respectively arranged on the XY axis movement mechanism; the model box is arranged at the bottom of the supporting base and corresponds to the XY-axis movement mechanism in position; and a test soil body is filled in the model box.
Preferably, the XY-axis motion mechanism comprises an X-axis movable platform, an X-axis movable guide rail, a Y-axis movable platform, a Y-axis movable guide rail and a Y-axis movable guide wheel; the Y-axis moving guide rail is arranged on the top of the supporting base along the Y-axis direction; the Y-axis movable guide wheel is arranged at the bottom of the Y-axis movable platform, and the Y-axis movable platform is connected with the Y-axis movable guide rail in a sliding manner through the Y-axis movable guide wheel; the X-axis moving guide rail is arranged on the Y-axis movable platform along the X-axis direction; the X-axis movable platform is connected with the X-axis movable guide rail in a sliding manner.
More preferably, the XY-axis motion mechanism is provided with an X-axis motion driving mechanism and a Y-axis motion driving mechanism; the X-axis motion driving mechanism and the Y-axis motion driving mechanism are respectively connected with the X-axis movable platform and the Y-axis movable platform; the X-axis motion driving mechanism and the Y-axis motion driving mechanism are servo motors or servo electric cylinders.
More preferably, the torpedo anchor launching mechanism comprises a launching platform bracket, a launching platform top plate, a loading bolt, a launching sleeve, a launching spring, a launching plate and a positioning pin;
the launching platform bracket is fixed on the X-axis movable platform; the top plate of the launching platform is fixed at the top of the launching platform bracket; the loading bolt penetrates through the top plate of the launching platform through a threaded opening; one end of the launching spring is connected with the loading bolt, and the other end of the launching spring is connected with the launching plate; the torpedo anchor model is arranged on the transmitting plate; the launching plate is fixed on the launching sleeve through a positioning pin.
More preferably, the torpedo anchor launching mechanism is provided with a sleeve fixing cross beam; the launching sleeve is fixed on the launching platform bracket through the sleeve fixing beam.
More preferably, the torpedo anchor launching mechanism is provided with a laser speed measuring sensor; the laser speed measuring sensor is fixed on the transmitting table support, and the mounting position is located at the bottom of the transmitting sleeve.
More preferably, the torpedo anchor model is detachably connected with the transmitting plate.
More preferably, the torpedo anchor drawing mechanism comprises a servo motor, a drawing test loading plate, a pulley and a connecting rope; the servo motor and the drawing test loading plate are respectively arranged on the X-axis movable platform; the pulley is arranged on the drawing test loading plate; one end of the connecting rope is connected with the torpedo anchor model, and the other end of the connecting rope is wound on the pulley; the pulley is connected with the servo motor and drives the pulley to rotate.
More preferably, the connecting rope is a steel wire rope.
Preferably, said support base is welded to the mold box.
Compared with the prior art, the invention has the following beneficial effects:
firstly, the universality is good, and the application range is wide: the test device controls the compression amount of the spring through the loading bolt, accurately provides the penetration energy of the torpedo anchor model, and the laser speed measuring sensor accurately measures the penetration speed of the torpedo anchor and the speed attenuation rule in the penetration process; the penetration rule of the fish-thunder anchor under different sandy soil and penetration energy can be researched by changing the penetration energy and the soil body in the model box; after the penetration test of the torpedo anchor model is completed, the circular drawing test can be performed through the servo motor and the adjustable loading plate, the position of the loading platform in the X direction and the Y direction can be conditioned through the X-axis movable platform and the Y-axis movable platform in the device, and then the circular drawing test of different loading angles is performed, so that the experimental device is good in universality and diversified in functions.
Secondly, the simulation precision is high: the testing device can respectively perform a torpedo anchor model power injection test and a multidirectional cycle drawing test after the power injection test under the condition of 1g, and can accurately control the torpedo anchor injection speed; meanwhile, the controllable injection device and the multidirectional cycle drawing test device are combined together, the injection process of the torpedo anchor in ocean engineering can be simulated more truly and accurately, the influence of soil body parameters and injection energy on the injection characteristics of the torpedo anchor is explored, meanwhile, the cycle test is carried out on the injected model pile, the test condition is closer to the true condition, the simulation precision of the environment is higher, and the test result is more reliable.
Thirdly, the safety is high: the test device adopts the sleeve fixing beam to fix the launching sleeve on the launching platform bracket, is used for launching the torpedo anchor model, maintains the test safety, and improves the safety of the test device.
Drawings
FIG. 1 is a schematic view of the structure of a test apparatus according to the present invention;
FIG. 2 is a schematic view of the test apparatus of the present invention when a pull test is performed;
fig. 3 is a schematic structural view of the XY axis movement mechanism of the present invention.
The reference numbers in the figures indicate:
1. the torpedo anchor model comprises a torpedo anchor model 2, a supporting base 3, a model box 4, an XY movement mechanism 5, a torpedo anchor launching mechanism 6 and a torpedo anchor drawing mechanism;
401. an X-axis movable platform, 402, an X-axis movable guide rail, 403, a Y-axis movable platform, 404, a Y-axis movable guide rail and 405, a Y-axis movable guide wheel;
501. the device comprises a launching platform support 502, a launching platform top plate 503, a loading bolt 504, a launching sleeve 505, a launching spring 506, a launching plate 507, a positioning pin 508, a sleeve fixing beam 509 and a laser speed measuring sensor;
601. servo motor, 602, drawing test loading plate, 603, pulley, 604 and connecting rope.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.
The utility model provides a simulation torpedo anchor ejection type penetrates test device of installation and circulation drawing for carry out the penetration installation and the circulation is drawn experiment to torpedo anchor model 1, its structure is shown in figure 1, including supporting base 2, mold box 3, XY axle motion 4, torpedo anchor launching mechanism 5 and torpedo anchor drawing mechanism 6, XY axle motion 4 is installed on supporting base 2, torpedo anchor launching mechanism 5 and torpedo anchor drawing mechanism 6 are installed respectively on XY axle motion 4, mold box 3 sets up in the bottom that supports base 2, the position is corresponding with XY axle motion 4, the intussuseption of mold box 3 is filled with experimental soil body.
The XY-axis movement mechanism 4 is structured as shown in fig. 3, and includes an X-axis movable table 401, an X-axis movable guide 402, a Y-axis movable table 403, a Y-axis movable guide 404, and a Y-axis movable guide 405. The Y-axis moving guide 404 is installed on the top of the support base 2 in the Y-axis direction. A Y-axis moving guide 405 is installed at the bottom of the Y-axis movable platform 403, and the Y-axis movable platform 403 is slidably connected to the Y-axis moving guide rail 404 through the Y-axis moving guide 405. The X-axis moving guide 402 is mounted on the Y-axis movable platform 403 in the X-axis direction. The X-axis movable platform 401 is slidably connected to an X-axis movable rail 402.
The XY-axis motion mechanism 4 is provided with an X-axis motion driving mechanism and a Y-axis motion driving mechanism. The X-axis motion driving mechanism and the Y-axis motion driving mechanism are connected to the X-axis movable platform 401 and the Y-axis movable platform 403, respectively. The X-axis motion driving mechanism and the Y-axis motion driving mechanism are servo motors or servo electric cylinders, and respectively drive the X-axis movable platform 401 and the Y-axis movable platform 403 to move.
Torpedo anchor launching mechanism 5 includes a launch pad bracket 501, a launch pad top plate 502, a loading bolt 503, a launch sleeve 504, a launch spring 505, a launch plate 506, and a locating pin 507. The launch pad support 501 is fixed to the X-axis movable platform 401. The launch pad top plate 502 is secured to the top of the launch pad support 501. A loading bolt 503 is threaded through the launch pad top plate 502. One end of the firing spring 505 is connected to the loading bolt 503, and the other end is connected to the firing plate 506. The torpedo anchor model 1 is mounted on a launch plate 506. The launch plate 506 is secured to the launch sleeve 504 by a locating pin 507.
The fish and thunder anchor launching mechanism 5 is provided with a sleeve fixing cross beam 508. Launch sleeve 504 is secured to launch pad support 501 by sleeve securing beam 508.
The torpedo anchor launching mechanism 5 is provided with a laser speed measuring sensor 509. The laser speed measurement sensor 509 is fixed on the transmitting platform support 501, the installation position is located at the bottom of the transmitting casing 504, when the torpedo anchor model 1 flies out of the transmitting casing 504, the anchor wings can shield the laser, the sensor records the interval time, and then the speed of the torpedo anchor model 1 at the moment is obtained.
The torpedo anchor model 1 is removably connected to the transmitter plate 506.
The torpedo anchor drawing mechanism 6 comprises a servo motor 601, a drawing test loading plate 602, a pulley 603 and a connecting rope 604. The servo motor 601 and the pull test loading plate 602 are respectively mounted on the X-axis movable platform 401. A pulley 603 is provided on the pull test loading plate 602. One end of the connecting rope 604 is connected with the torpedo anchor model 1, and the other end is wound on the pulley 603. Pulley 603 is connected to servo motor 601 and drives pulley 603 to rotate. The connecting rope 604 in this embodiment is a steel wire rope, and the support base 2 is welded to the mold box 3.
When a penetration installation test is carried out, the loading bolt 503 adjusts the length of the loading bolt extending into the launching sleeve 504 through a screw hole of the launching platform top plate 502, and then the launching spring 505 is compressed to store elastic potential energy. The torpedo anchor model 1 is connected with the transmitting plate 506, the transmitting plate 506 is fixed with the transmitting sleeve 504 through the positioning pin 507, the compression length of the transmitting spring 505 is set according to the initial speed required by the test, the positioning pin is pulled out, the transmitting spring 505 ejects the transmitting plate 506 and the torpedo anchor model 1 simultaneously, then the transmitting plate 506 is detached, and the circular drawing test of the torpedo anchor model 1 is carried out.
During the circular drawing test, as shown in fig. 2, the torpedo anchor model 1 is arranged in a model box test soil body, the pile top is connected with a servo motor 601 through a steel wire rope, the servo motor 601 can output a drawing circular load with a specific waveform through a computer program, and the drawing circular load acts on the top of the torpedo anchor model 1 through a connecting rope 604. The pulley is installed at the top end of the drawing test loading plate 602, and the length of the pulley can be extended for changing the loading angle of the top of the torpedo anchor pile, so that the drawing test of the torpedo anchor model 1 is realized.
In this embodiment, the dimensions of each main mechanism are specifically:
the dimensions of the mold box 3 are specified as: the length is 1000mm, the width is 700mm, and the height is 700 mm;
the supporting base 2 is welded on two sides of the model box 18 in the Y-axis direction, the length is 1000mm, the width is 60mm, and the height is 700 mm;
the upper part of the supporting base 2 is provided with a Y-axis moving guide rail 404, the length of the Y-axis moving guide rail is 1200mm, and the section of the Y-axis moving guide rail is 60mm multiplied by 60 mm;
the launching platform bracket 501 has a height of 750mm, a length of 250mm and a width of 150 mm;
the launching platform bracket 501 is arranged on an X-axis movable platform 402, the length of the platform is 400mm, the width of the platform is 400mm, and the height of the platform is 100 mm;
the launch sleeve 504 is 650mm in length and 150mm in diameter and is secured to the launch pad support 501 by a cross beam.
The Y-axis movable platform 403 is composed of two beams horizontally placed along the X-direction, the length of the beam is 820mm, the width of the beam is 50mm, the height of the beam is 150mm, and the center distance between the two beams is 300 mm.
The launching support and the servo motor of the testing device are both mounted on the movable platform, the launching device and the loading device can move and be fixed along the X-axis and the Y-axis of the model box in a reaction mode, the space of the model box can be efficiently utilized, and a large-angle inclined drawing cycle test is realized. Adopt laser speed sensor 509 to carry out accurate speed measurement to torpedo anchor model 1 in the experiment, provide the injection energy through compression loading spring 503, simple structure convenient operation, servo motor 601 can provide specific drawing cycle load through control program to often record and monitor pile bolck displacement, draw bearing capacity and displacement relation research under the experiment for the research torpedo anchor multidirectional circulation and provide convenience.
While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A test device for simulating ejection type penetration installation and cyclic drawing of a torpedo anchor is used for performing penetration installation and cyclic drawing tests on a torpedo anchor model (1), and is characterized by comprising a supporting base (2), a model box (3), an XY axis movement mechanism (4), a torpedo anchor launching mechanism (5) and a torpedo anchor drawing mechanism (6); the XY-axis motion mechanism (4) is arranged on the supporting base (2); the torpedo anchor launching mechanism (5) and the torpedo anchor drawing mechanism (6) are respectively arranged on the XY-axis movement mechanism (4); the model box (3) is arranged at the bottom of the supporting base (2) and corresponds to the XY-axis motion mechanism (4); and a test soil body is filled in the model box (3).
2. The test device for simulating the catapult-type penetration installation and the cyclic pulling of the torpedo anchor according to claim 1, wherein the XY-axis motion mechanism (4) comprises an X-axis movable platform (401), an X-axis movable guide rail (402), a Y-axis movable platform (403), a Y-axis movable guide rail (404) and a Y-axis movable guide wheel (405); the Y-axis moving guide rail (404) is arranged at the top of the supporting base (2) along the Y-axis direction; the Y-axis movable guide wheel (405) is installed at the bottom of the Y-axis movable platform (403), and the Y-axis movable platform (403) is connected with the Y-axis movable guide rail (404) in a sliding mode through the Y-axis movable guide wheel (405); the X-axis moving guide rail (402) is arranged on a Y-axis movable platform (403) along the X-axis direction; the X-axis movable platform (401) is connected with the X-axis movable guide rail (402) in a sliding mode.
3. The test device for simulating the ejection type penetration installation and the cyclic drawing of the torpedo anchor according to claim 2, wherein the XY-axis motion mechanism (4) is provided with an X-axis motion driving mechanism and a Y-axis motion driving mechanism; the X-axis motion driving mechanism and the Y-axis motion driving mechanism are respectively connected with the X-axis movable platform (401) and the Y-axis movable platform (403); the X-axis motion driving mechanism and the Y-axis motion driving mechanism are servo motors or servo electric cylinders.
4. The test device for simulating the ejection type penetration installation and the cyclic pulling of the torpedo anchor according to claim 2, wherein the torpedo anchor launching mechanism (5) comprises a launching platform bracket (501), a launching platform top plate (502), a loading bolt (503), a launching sleeve (504), a launching spring (505), a launching plate (506) and a positioning pin (507);
the launching platform bracket (501) is fixed on the X-axis movable platform (401); the top plate (502) of the launching platform is fixed at the top of the support (501) of the launching platform; the loading bolt (503) passes through the top plate (502) of the launching platform through a screw hole; one end of the launching spring (505) is connected with the loading bolt (503), and the other end of the launching spring is connected with the launching plate (506); the torpedo anchor model (1) is arranged on the transmitting plate (506); the launching plate (506) is fixed on the launching sleeve (504) through a positioning pin (507).
5. The test device for simulating the catapult-type penetration installation and the cyclic drawing of the torpedo anchor according to claim 4, wherein the torpedo anchor launching mechanism (5) is provided with a sleeve fixing cross beam (508); the launching sleeve (504) is fixed on the launching platform bracket (501) through a sleeve fixing beam (508).
6. The test device for simulating the ejection type penetration installation and the cyclic drawing of the torpedo anchor according to claim 4, wherein the torpedo anchor launching mechanism (5) is provided with a laser speed measuring sensor (509); the laser speed measuring sensor (509) is fixed on the launching platform support (501), and the installation position is located at the bottom of the launching sleeve (504).
7. The test device for simulating the catapult-type penetration installation and cyclic pulling of a torpedo anchor according to claim 4, wherein the torpedo anchor model (1) is detachably connected with the launching plate (506).
8. The test device for simulating the ejection type penetration installation and the cyclic drawing of the torpedo anchor according to claim 2, wherein the torpedo anchor drawing mechanism (6) comprises a servo motor (601), a drawing test loading plate (602), a pulley (603) and a connecting rope (604); the servo motor (601) and the drawing test loading plate (602) are respectively arranged on the X-axis movable platform (401); the pulley (603) is arranged on the drawing test loading plate (602); one end of the connecting rope (604) is connected with the torpedo anchor model (1), and the other end is wound on the pulley (603); the pulley (603) is connected with the servo motor (601) and drives the pulley (603) to rotate.
9. The test device for simulating the catapult-type penetration installation and cyclic pulling of a torpedo anchor as claimed in claim 8, wherein the connecting rope (604) is a steel wire rope.
10. The test device for simulating the catapult-type penetration installation and cyclic pulling of a torpedo anchor according to claim 1, wherein the support base (2) is welded to the mold box (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110106258.XA CN112924202A (en) | 2021-01-26 | 2021-01-26 | Test device for simulating ejection type penetration installation and circular drawing of fish and thunder anchor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110106258.XA CN112924202A (en) | 2021-01-26 | 2021-01-26 | Test device for simulating ejection type penetration installation and circular drawing of fish and thunder anchor |
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| CN112924202A true CN112924202A (en) | 2021-06-08 |
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| CN202110106258.XA Pending CN112924202A (en) | 2021-01-26 | 2021-01-26 | Test device for simulating ejection type penetration installation and circular drawing of fish and thunder anchor |
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2021
- 2021-01-26 CN CN202110106258.XA patent/CN112924202A/en active Pending
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| JP2004294235A (en) * | 2003-03-26 | 2004-10-21 | Raito Kogyo Co Ltd | Loading test method for ground anchor and testing apparatus therefor |
| CN103398901A (en) * | 2013-08-08 | 2013-11-20 | 中国科学院武汉岩土力学研究所 | Indoor pull-out test apparatus for anchor rod |
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| CN108385647A (en) * | 2018-01-26 | 2018-08-10 | 大连理工大学 | Divide gear speed governing type geotechnique's injection crossbow |
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