CN114791350A - Automatic magnetic attraction vertical release slamming water test device - Google Patents
Automatic magnetic attraction vertical release slamming water test device Download PDFInfo
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- CN114791350A CN114791350A CN202210332256.7A CN202210332256A CN114791350A CN 114791350 A CN114791350 A CN 114791350A CN 202210332256 A CN202210332256 A CN 202210332256A CN 114791350 A CN114791350 A CN 114791350A
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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
- G01M10/00—Hydrodynamic testing; Arrangements in or on ship-testing tanks or water tunnels
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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
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
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- Fluid Mechanics (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The invention relates to an automatic magnetic attraction vertical release slamming water test device which comprises a test tower, wherein a sliding device is arranged on the test tower, an angle adjusting device is arranged at the lower part of the sliding device, a model is arranged at the lower part of the angle adjusting device, a sucker type electromagnet device is arranged at the upper part of the sliding device, and the sucker type electromagnet device is connected with a winch through a traction rope; a cross beam is arranged between the straight beam and the oblique beam, and a linear guide rail is arranged on the straight beam; the model beam is fixedly connected with the stud through a connecting sleeve; the disc is fixedly connected with the model cross beam through a double-end stud; the on-off of the sucker type electromagnet is realized by controlling the electric remote control switch, and the position height of the model is further determined. The invention can lead the model to slam into water at different transverse inclination angles and longitudinal inclination angles; the water entry rate of the model can be measured by a high-speed camera.
Description
Technical Field
The invention relates to the technical field of model slamming water devices, in particular to an automatic magnetic attraction vertical release slamming water test device.
Background
When a ship runs on the sea and encounters large waves, the waves can cause severe slamming phenomena on the ship body. Depending on the location of the wave slam, there are generally outer flap slams, bow bottom slams, side platform slams, and multi-hull vessel wet deck slams. A strong slamming action can result in the destruction of local structures of the hull or even the loss of strength of the main hull. The ISSC has now been studied by the specialized pulse load committee since 2006. The slamming problem is more and more concerned, and since slamming is a complex hydrodynamic phenomenon of interaction between a ship body and waves, slamming pressure has the characteristics of locality, instantaneity, rapid mobility and the like, and the research on the slamming phenomenon has considerable difficulty, and research means comprises theoretical analysis, numerical calculation, experiments and the like. At the current research level, model testing remains the most accurate and economical means. The falling body slamming test is one of the model tests, and a corresponding falling body slamming test device is necessary for carrying out the falling body slamming test.
When the vertical slamming water-entering test is carried out on the model, the problems of how to release the model, how to adjust the water-entering angle of the model and the like are mainly considered, the automation of the test is realized, the safety in the test process can be improved, and the test precision can also be improved. The prior common slamming water test device has the following problems: the static release device is not flexible enough, and the complicated and various structures cause difficulty in realizing standardization, miniaturization and light weight, and cannot realize automation. The angle adjusting device is complex, and cannot meet the requirements of adjusting both the transverse inclination angle and the longitudinal inclination angle and entering water at the target speed and the target angle. Therefore, existing devices are still in need of improvement and development.
Disclosure of Invention
The invention aims to solve the technical problem of providing an automatic magnetic attraction vertical release slamming water test device which is reasonable in structure, can realize static release of a model from an initial position according to slamming water requirements and realizes different water inlet angles.
The technical scheme adopted by the invention for solving the technical problem is as follows: the test device comprises a test tower, wherein a sliding device is arranged on the test tower, an angle adjusting device is arranged at the lower part of the sliding device, a model is arranged at the lower part of the angle adjusting device, a sucker type electromagnet device is arranged at the upper part of the sliding device, and the sucker type electromagnet device is connected with a winch through a traction rope;
the test tower comprises two straight beams vertically arranged in the middle, an inclined beam obliquely arranged outside and a horizontal beam horizontally arranged at the bottom, wherein a cross beam is arranged between the straight beams and the inclined beam, and a linear guide rail is arranged on the straight beams;
the sliding device comprises linear bearings which are arranged in the linear guide rail and can vertically slide, a slider beam is transversely arranged between the linear bearings, a connecting block is longitudinally arranged between the linear bearings, and a disc is fixedly arranged at the upper part of the connecting block;
the angle adjusting device is arranged on a model beam on the model, and the model beam is fixedly connected with the stud through a connecting sleeve;
the disc is fixedly connected with the model cross beam through a double-end stud;
the sucking disc type electromagnet device comprises a sucking disc type electromagnet, a first lifting hook is arranged at the top of the sucking disc type electromagnet, a second lifting hook is arranged at the top of the winch, the first lifting hook and the second lifting hook are matched with each other, the on-off state of the sucking disc type electromagnet is achieved through controlling an electric remote control switch, and then the position height of the model is determined.
According to the scheme, the bottom horizontal beam is fixedly connected with the existing tool through the bolt.
According to the scheme, the linear guide rail is provided with the groove, and the linear bearing is arranged in the groove.
According to the scheme, the length of the linear guide rail is larger than that of the straight beam.
According to the scheme, the number of the double-end studs is three, one end of each double-end stud is fixedly connected with the connecting sleeve bolt, and the other end of each double-end stud is fixedly connected with the disc bolt.
According to the scheme, the connecting sleeve is provided with two threaded holes, one threaded hole of the connecting sleeve is fixedly connected with the stud, and the other threaded hole of the connecting sleeve is fixedly connected with the model cross beam through the single-head bolt.
The automatic magnetic attraction vertical release slamming water test device has the following beneficial effects:
the sliding block adjusting mechanism is reasonable in structure, the model is fixed on the sliding block through the angle adjusting device, and the linear bearing enables the sliding block to freely and vertically move along the linear guide rail; the clamping and releasing of the sliding block are controlled by the on-off of the sucker type electromagnet, and the static releasing can be realized at the designated position; the angle adjusting device enables the model to enter water at different inclination angles, has high flexibility and compatibility, is integrally controlled by electric power, is convenient to operate, and effectively reduces the labor intensity of personnel and improves the test safety.
Drawings
The invention will be further described with reference to the following drawings and examples, in which:
FIG. 1 is a schematic diagram of the configuration of an automated magnetic attraction vertical release slam water test apparatus of the present invention;
FIG. 2 is a schematic side view of the automated magnetic attraction vertical release slamming water test apparatus of the present invention;
FIG. 3 is a schematic view of the slide of the present invention;
FIG. 4 is a schematic view of an angle adjusting device according to the present invention;
figure 5 is a state diagram of the use of the automated magnetic attraction vertical release slam water test apparatus of the present invention.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
As shown in figures 1-5, the automatic magnetic absorption vertical release slamming water test device comprises a test tower frame 1, wherein the test tower frame 1 comprises two straight beams 3 vertically arranged in the middle, an inclined beam 4 obliquely arranged outside and a horizontal beam 7 horizontally arranged at the bottom, a tower frame threaded hole 6 is formed in the horizontal beam 7, and the horizontal beam 7 is fixedly connected with an existing tool through a bolt. A cross beam 2 is arranged between the straight beam 3 and the oblique beam 4. Be provided with linear guide 5 on the straight beam 3, linear guide 5's length is greater than straight beam 3's length, can make model 21 keep fixed angle of entrying before entrying to straight beam 3 is the primary structure, and crossbeam 2 and sloping 4 are additional strengthening, improve experimental pylon 1's intensity and stability.
The test tower frame 1 is provided with a sliding device 8, the sliding device 8 comprises a linear bearing 12 which is arranged in the linear guide rail 5 and can slide vertically, the linear guide rail 5 is provided with a groove, and the linear bearing 12 is arranged in the groove. A sliding block cross beam 10 is transversely arranged between the linear bearings 12, a connecting block 11 is longitudinally arranged between the linear bearings 12, and a disc 9 is fixedly arranged at the upper part of the connecting block 11; the disks 9 are fixedly connected to the mould cross-member 22 by means of studs 15.
The lower part of the sliding device 8 is provided with an angle adjusting device 13, the angle adjusting device 13 is arranged on a model beam 22 on a model 21, and the model beam 22 is fixedly connected with a stud 15 through a connecting sleeve 16; the number of the studs 15 is three, one end of each stud 15 is fixedly connected with the connecting sleeve 16 through a bolt, and the other end of each stud 15 is fixedly connected with the disc 9 through a bolt. The connecting sleeve 16 is provided with two threaded holes, one threaded hole of the connecting sleeve 16 is fixedly connected with the stud 15 through a bolt, and the other threaded hole of the connecting sleeve 16 is fixedly connected with the model beam 22 through a single-head bolt 14.
The lower part of the angle adjusting device 13 is provided with a model 21, the upper part of the sliding device 8 is provided with a sucker type electromagnet device, and the sucker type electromagnet device is connected with a winch 19 through a traction rope; the sucker type electromagnet device comprises a sucker type electromagnet 17, a first lifting hook 18 is arranged at the top of the sucker type electromagnet 17, a second lifting hook 19 is arranged at the top of a winch 19, the first lifting hook 18 and the second lifting hook 19 are matched with each other, the sucker type electromagnet 17 is switched on and off by controlling an electric remote control switch, and then the position height of the model 21 is determined. The transverse inclination angle and the longitudinal inclination angle of the bow are adjusted by adjusting the matching heights of the stud bolt 15 and the single-headed bolt 14 with the connecting sleeve 16 respectively. When the power is on, the sucker type electromagnet device adsorbs the sliding device 8 to clamp the whole system, when the power is off, the sucker type electromagnet 17 statically releases the disc 9, and the position height of the sucker type electromagnet 17 is determined by controlling the lifting height of the winch 19 so as to determine the position heights of the disc 9 and the model 21.
In a preferred embodiment of the invention, the test tower comprises a test tower frame 1, a linear guide rail 5 is arranged on a straight beam 3 of the test tower frame 1, a sliding device 8 is arranged on the linear guide rail 5, the sliding device 8 comprises a linear bearing 12 and a disc 9, the linear bearing 12 can vertically move along the linear guide rail 5, the sliding device 8 is fixedly connected with an angle adjusting device 13 through a bolt, the angle adjusting device 13 is fixedly connected with a model 21 through a bolt, a sucker type electromagnet 17 is arranged above the sliding device 8, and a first lifting hook 18 on the sucker type electromagnet 17 is connected with a second lifting hook 19 of a winch 19 to form a set of releasing device. The clamping or releasing of the sliding device 8 and the model 21 is realized by controlling the power on and off of the sucker type electromagnet 17, and the change of the water inlet angle of the model 21 is realized by adjusting the angle device 13.
The test tower 1 comprises a tower beam 2, a straight beam 3, an oblique beam 4, a horizontal beam 7, a linear guide rail 5 and a tower threaded hole 6, the test tower 1 takes the straight beam 3 as a main structure, the straight beam 3 is provided with the linear guide rail 5, a model 21 indirectly connected with a sliding device 8 can vertically move along the linear guide rail 5, the cross beam 2 and the oblique beam 4 are reinforcing structures, the strength and the stability of the test tower 1 are improved, the model 21 is close to a free falling body to move when vertically moving along the linear guide rail 5, the horizontal beam 7 is provided with the tower threaded hole 6 for being connected and fixed with an existing tool through a common bolt, the test tower 1 is used as a basic frame of a slamming water-entering test device, the guiding and clamping effects are mainly realized, and the sliding device 8 clamping the model 21 vertically moves along the linear guide rail 5.
Linear guide 5 is last to be fluted, linear guide 5 is fixed in on the straight beam 3 of experimental pylon 1, linear guide 5's length is greater than straight beam 3, can make model 21 keep fixed income water angle before going into water, linear guide 5 is last to have can follow its vertical mobile's slider 8, slider 8's upper end is equipped with sucking disc formula electro-magnet 17, the lower extreme is connected with angle adjusting device 13, linear guide 5 is fixed in among experimental pylon 1, make the slider can follow linear guide 5 vertical mobile. The sliding device 8 comprises a disc 9, a slider beam 10, a connecting block 11 and a linear bearing 12, the disc 9 is fixedly connected with the connecting block 11, the disc 9 and the connecting block 11 are fixed on the linear bearing 12 through the slider beam 10, the linear bearing 12 can vertically move along the linear guide rail 5, the upper part of the disc 9 is matched with a sucker type electromagnet 17, the disc 9 is fixedly connected with three studs 15 in an angle adjusting device 13 in a threaded manner, the disc 9 is connected with a model 21 through the angle adjusting device 13 in a bolted manner, and the upper part of the disc 9 is matched with the sucker type electromagnet 17, so that the system is clamped to be static, released and then reaches a carrier which vertically moves along the linear guide rail 5.
The angle adjusting device 13 comprises a stud 15 and a connecting sleeve 16, the upper part of the stud 15 is fixedly connected with the disc 9 through a bolt, and the lower part of the stud 15 is fixedly connected with the connecting sleeve 16 through a bolt. The connecting sleeve 16 has two threaded holes 6, one of which is connected to the stud 15 and the other of which is connected to the mould cross-piece 22 in the mould 21 and is fixed by means of bolts. The size of the lateral inclination angle and the longitudinal inclination angle of the model 21 can be adjusted by adjusting the matching height of the stud bolt 15 and the single-headed bolt 14 with the connecting sleeve 16 respectively. The suction cup type electromagnet device comprises a suction cup type electromagnet 17, a first lifting hook 18 and an electric remote control switch, the first lifting hook 18 on the upper portion of the suction cup type electromagnet 17 is matched with a second lifting hook 19 of a winch 19, the suction cup type electromagnet 17 is arranged on a disc 9, the electric remote control switch is controlled to achieve power on and power off of the suction cup type electromagnet 17, when the electric suction cup type electromagnet is powered on, the suction cup type electromagnet 17 adsorbs a sliding block, the whole system is clamped, when the power is off, the suction cup type electromagnet 17 releases the sliding block statically, and the position height of the suction cup type electromagnet 17 is determined by controlling the lifting height of the winch 19 so as to determine the position height of the sliding block and a model 21.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (6)
1. An automatic magnetic attraction vertical release slamming water test device is characterized by comprising a test tower frame, wherein a sliding device is arranged on the test tower frame, an angle adjusting device is arranged at the lower part of the sliding device, a model is arranged at the lower part of the angle adjusting device, a sucker type electromagnet device is arranged at the upper part of the sliding device, and the sucker type electromagnet device is connected with a winch through a traction rope;
the test tower comprises two straight beams vertically arranged in the middle, an oblique beam obliquely arranged outside and a horizontal beam horizontally arranged at the bottom, wherein a cross beam is arranged between the straight beams and the oblique beam, and a linear guide rail is arranged on the straight beams;
the sliding device comprises linear bearings which are arranged in the linear guide rail and can vertically slide, a slider beam is transversely arranged between the linear bearings, a connecting block is longitudinally arranged between the linear bearings, and a disc is fixedly arranged at the upper part of the connecting block;
the angle adjusting device is arranged on a model beam on the model, and the model beam is fixedly connected with the stud through a connecting sleeve;
the disc is fixedly connected with the model beam through a double-end stud;
the sucker type electromagnet device comprises a sucker type electromagnet, a first lifting hook is arranged at the top of the sucker type electromagnet, a second lifting hook is arranged at the top of the winch, the first lifting hook and the second lifting hook are matched with each other, the on-off state of the sucker type electromagnet is realized through controlling an electric remote control switch, and then the position height of the model is determined.
2. The automated magnetic attraction vertical release slamming water test device of claim 1, wherein the bottom horizontal beam is bolted to an existing fixture.
3. The automated magnetic attraction vertical release slamming water test device of claim 1, wherein the linear guide rail is provided with a groove, and the linear bearing is disposed within the groove.
4. The automated magnetic vertical release slam-in water test device of claim 1, wherein the length of the linear guide is greater than the length of the straight beam.
5. The automated magnetic absorption vertical release slamming water test device of claim 1, wherein the number of the studs is three, one end of the stud is fixedly connected with a connecting sleeve bolt, and the other end of the stud is fixedly connected with a disc bolt.
6. The automated magnetic absorption vertical release slamming water test device of claim 5, wherein the connecting sleeve has two threaded holes, one threaded hole of the connecting sleeve is fixedly connected with the stud bolt, and the other threaded hole of the connecting sleeve is fixedly connected with the model beam through a single-head bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210332256.7A CN114791350A (en) | 2022-03-30 | 2022-03-30 | Automatic magnetic attraction vertical release slamming water test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210332256.7A CN114791350A (en) | 2022-03-30 | 2022-03-30 | Automatic magnetic attraction vertical release slamming water test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114791350A true CN114791350A (en) | 2022-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210332256.7A Pending CN114791350A (en) | 2022-03-30 | 2022-03-30 | Automatic magnetic attraction vertical release slamming water test device |
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| Country | Link |
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| CN (1) | CN114791350A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103344393A (en) * | 2013-06-08 | 2013-10-09 | 天津大学 | Experimental facility for falling body slamming experiment |
| KR20130122250A (en) * | 2012-04-30 | 2013-11-07 | 부산대학교 산학협력단 | Free fall launching test device |
| CN106124159A (en) * | 2016-06-16 | 2016-11-16 | 哈尔滨工程大学 | A kind of multi-functional joining WTO effect experiment delivery device |
| CN106323590A (en) * | 2016-08-22 | 2017-01-11 | 浙江大学 | Experiment device for stable multi-angle entering-into-water of object |
| CN106353066A (en) * | 2016-08-22 | 2017-01-25 | 浙江大学 | Device for stable, high-speed and variable-angle water entry experiment of rotating body |
| CN106556504A (en) * | 2016-11-21 | 2017-04-05 | 武汉理工大学 | A kind of falling bodies slamming experimental rig |
| CN107607292A (en) * | 2017-09-11 | 2018-01-19 | 哈尔滨工程大学 | A kind of high speed joining WTO effect experimental rig |
| CN107687929A (en) * | 2017-08-28 | 2018-02-13 | 广东小天才科技有限公司 | A kind of drop test equipment, method and its device |
| CN215065164U (en) * | 2021-11-08 | 2021-12-07 | 南京理工大学 | Experimental device for stable water entry of high-speed rotating object with controllable angular speed and water entry angle |
-
2022
- 2022-03-30 CN CN202210332256.7A patent/CN114791350A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130122250A (en) * | 2012-04-30 | 2013-11-07 | 부산대학교 산학협력단 | Free fall launching test device |
| CN103344393A (en) * | 2013-06-08 | 2013-10-09 | 天津大学 | Experimental facility for falling body slamming experiment |
| CN106124159A (en) * | 2016-06-16 | 2016-11-16 | 哈尔滨工程大学 | A kind of multi-functional joining WTO effect experiment delivery device |
| CN106323590A (en) * | 2016-08-22 | 2017-01-11 | 浙江大学 | Experiment device for stable multi-angle entering-into-water of object |
| CN106353066A (en) * | 2016-08-22 | 2017-01-25 | 浙江大学 | Device for stable, high-speed and variable-angle water entry experiment of rotating body |
| CN106556504A (en) * | 2016-11-21 | 2017-04-05 | 武汉理工大学 | A kind of falling bodies slamming experimental rig |
| CN107687929A (en) * | 2017-08-28 | 2018-02-13 | 广东小天才科技有限公司 | A kind of drop test equipment, method and its device |
| CN107607292A (en) * | 2017-09-11 | 2018-01-19 | 哈尔滨工程大学 | A kind of high speed joining WTO effect experimental rig |
| CN215065164U (en) * | 2021-11-08 | 2021-12-07 | 南京理工大学 | Experimental device for stable water entry of high-speed rotating object with controllable angular speed and water entry angle |
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