CN105910783B - A kind of Ship Structure impact test system - Google Patents
A kind of Ship Structure impact test system Download PDFInfo
- Publication number
- CN105910783B CN105910783B CN201610293141.6A CN201610293141A CN105910783B CN 105910783 B CN105910783 B CN 105910783B CN 201610293141 A CN201610293141 A CN 201610293141A CN 105910783 B CN105910783 B CN 105910783B
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- level board
- swing
- plate
- rotating beam
- swing ball
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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
- G01M7/02—Vibration-testing by means of a shake table
-
- 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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention provides a kind of Ship Structure impact test system, there is ship model in the underhung of top drilling plate, swing ball load maintainer is installed on top drilling plate, the swing ball load maintainer includes level board, riser on level board, U-shaped jig plate mounted on level board both ends, it is mounted on the rotating beam below level board by shaft, the U-shaped jig plate is mounted on top drilling plate, guide rail is provided on rotating beam, electromagnet is set in guide rail, the end of shaft is connected with swing rope, the end set swing ball of swing rope, hand idler wheel is provided on the level board, riser upper end is provided with intermediate roller, one end of adjusting rope is on hand idler wheel, the other end is connected around after intermediate roller with the lower end of rotating beam.The present invention can effectively avoid the error for the energy loss that conventional ship mode structure spring vertically carries, while rack autgmentability is strong, and different scale model test may be implemented, and the simple fabrication cycle of the apparatus structure is short, experimentation cost is low.
Description
Technical field
The present invention relates to a kind of pilot system more particularly to a kind of Ship Structure impact test systems, belong to ship equipment
Shock proof certification test equipment test technical field, to analyze Ship Structure shock environment and Modal Characteristics.
Background technology
Ship impact resistance is resistant to marine environment shock loading and equipment motivation effect key performance with damping capacity
One of.At present Ship Structure impact test can simulate ship in particular circumstances by the adaptability of accidental impact load and
Dynamic response can effectively improve hull vitality and the reliability of key equipment, ensure the operation of naval vessels safety and comfort.
Existing impact test apparatus, generally use on-land type or drop testing machine, by air bag, damper and
Spring etc. carries out vibration isolation processing, and motor or gravity is needed to be driven, and cannot be satisfied weak binding side in large scale ship model water
The test requirements document on boundary.And there are testing equipment complexity it is of high cost, mobile performance is poor the shortcomings of.
Invention content
A kind of Ship Structure punching is provided the purpose of the invention is to be required according to Ship Structure impact vibration particularity
Hit pilot system, and with meeting wide weak constraints in ship water, model dimension range, economy simple in structure, test efficiency
The features such as high, can be used for Ship Structure and the impact test of device model, overcome existing shortage specialized ships impact test system
The deficiency of system.
The object of the present invention is achieved like this：Including by top drilling plate, bottom weight plate and connection top drilling plate
The test-bed formed with the oblique channel steel support frame of bottom weight plate, has ship model, top in the underhung of top drilling plate
Swing ball load maintainer is installed, the swing ball load maintainer includes level board, the riser on level board, peace on perforated panel
U-shaped jig plate mounted in level board both ends, the rotating beam by shaft below level board, the U-shaped jig plate installation
On top drilling plate, it is provided with guide rail on the rotating beam, electromagnet is provided in guide rail, the end of the shaft is connected with
Swing rope, the end set swing ball of swing rope are provided with hand idler wheel on the level board, and riser upper end is provided with intermediate roller, adjust
One end of section rope is on hand idler wheel, the other end is connected around after intermediate roller with the lower end of rotating beam.
The invention also includes some such structure features：
1. the end of the shaft is also equipped with the angle dial for measuring rotating beam swing angle.
2. the swing ball is adsorbed by electromagnet when electromagnet is powered and is moved with rotating beam.
Compared with prior art, the beneficial effects of the invention are as follows：(1) present invention swings impact using swing ball, passes through control
Height determines shock loading, and can holder extending transversely meet ship each mesostructure model impact test requirement, have
Simple in structure, low cost can facilitate control impact energy and Impulsive load point.(2) consider Ship Structure in water it is weak about
Beam boundary condition, the present invention take suspension processing mode to model, carry out Impulsive load in the horizontal direction, make its support force with
Impact vibration direction is orthogonal, avoids the coupled interference of all directions, and higher experiment is obtained in the case of lower cost with this
Precision.(3) present invention by packaged type magnet control swing ball release altitude, it can be achieved that single impact test operate, carry
High test efficiency.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the structural schematic diagram in the main view direction of the present invention；
Fig. 3 is the structural schematic diagram in the main view direction of the swing ball excitation load maintainer of the present invention；
Fig. 4 is the structural schematic diagram of the overlook direction of the swing ball excitation load maintainer of the present invention；
Fig. 5 is the structural schematic diagram of the side-looking direction of the swing ball excitation load maintainer of the present invention.
In figure：1- top drilling plates；2- reinforces angle steel；The ends 3- connecting plate；The oblique channel steel support framves of 4-；5- bottom weights
Plate；6- rotating beams；7- deep brackets；8- swing balls load regulating mechanism；9- ship models；10- risers；11-U clamp plates；12- turns
Axis；The hand idler wheels of 13- (idler wheel for carrying swinging handle)；14- fastening bolts；15- angle dials；16- electromagnet；17- tune
Section rope；18- swing balls；19- intermediate rollers；20- level boards.
Specific implementation mode
Present invention is further described in detail with specific implementation mode below in conjunction with the accompanying drawings.
According to Fig. 1~Fig. 5, the present invention includes that oblique channel steel support frame 4, top drilling plate 1, bottom weight plate 5, swing ball add
The components such as regulating mechanism 8 and model extension frame are carried, wherein top plate is fixedly connected by lateral bolt with channel steel with bottom weight plate,
And it is transversely mounted deep bracket and improves the rack rigidity and stability；The counterweight base plates both sides installation, stablizes for reinforcing rack
Property, the higher influence to experiment in model suspension status center is reduced, can add extra weight ballast in bottom when necessary.Described
Top plate is inserted into swing ball and loads regulating mechanism 8, and riser 10, fastening bolt 14 and hand rolling are arranged above the mechanism level board 20
Wheel 13；Impact experiment model is hung using cord, requires to choose suitable tether point according to its scale and load；In addition, putting
It is provided with shaft and rotating beam below ball load regulating mechanism, angle is adjusted by hand idler wheel 13, and then control swing ball and release
Put height.
The oblique channel steel support frame 4 of the present invention, quantity is four and both ends are symmetrical namely oblique channel steel support frame 4
Squint symmetrically connects, be arranged to it is low wide and up narrow ensure that rack has enough rigidity, and circuit needed for experiment can be disposed in channel steel inside groove,
It is bolted by end connecting plate 3 and top drilling plate 1, bottom weight plate 5；Bottom weight plate 5 uses two pieces of thickening plates,
Rack width direction both sides are fixedly connected and deep bracket 7 are arranged；It is close that the top drilling plate 1 of impact test rack is provided with four rows
Collect open-celled structure, arrange in pairs or groups with detachable overhanging extension grillage, meets the lifting experiment of various Scale Models, top drilling plate 1
It is fixedly connected below plate and reinforces angle steel 2；In 1 underhung ship model 9 of the top drilling plate；Pacify on the top drilling plate 1
Fill swing ball and load regulating mechanism 8, swing ball load regulating mechanism 8 can in horizontal X-Y plane accurate adjusting position, and by fixture
Crab bolt hole 14 is fastened, and swing ball loads 8 bottom center position of regulating mechanism and installs rotating beam 6, the rotation by shaft 12
Turn beam 6 to be controlled accordingly by adjusting rope 17,17 one end of adjusting rope connects 6 free end of rotating beam, during the other end bypasses
Between be wrapped on hand idler wheel 13 after idler wheel 19；6 end of rotating beam is equipped with mobile electromagnetical iron 16, has and swing ball activity half
Diameter same adjustment range；Wherein swing ball 18 can be lain in swing rope one end, swing rope other end system by 16 absorption and control of electromagnet, swing ball 18
In shaft 12.
By swing ball 18 and 9 suspended fixing of ship model in corresponding position；Rotating beam 6 passes through adjusting rope 17 and angle dial 15
Carry out synergic adjustment；17 both ends of adjusting rope are separately connected hand idler wheel 13 and 6 end of rotating beam.
It is installed in the suspension of ship shock model, regulating mechanism position need to be loaded to swing ball and accurately be adjusted, it is ensured that
The suspended model is hit between position and free suspension swing ball there are minim gap when standing, and swing ball is enable accurately laterally to add
Ship model position as defined in being loaded in.
Rotating beam 6 can adjust angle by hand idler wheel, and synergic adjustment electromagnet position swings half to match the swing ball
Diameter realizes the shock response experiment of ship model under different impact energy loading environments.
By shock response test equipment, such as acceleration transducer, foil gauge equipment are arranged in model measuring point, power cord,
Signal wire uses shielding line arranged crosswise, each instrument power source of reasonable Arrangement to reduce interference effect caused by current fluctuation between instrument.
The invention mainly comprises model vertical test stand frame, swing balls to load regulating mechanism.Wherein model vertical test stand frame
It is supported by both ends oblique steel, is connect with upper end top plate and bottom weight crab bolt by end connecting plate, be aided with bracket reinforcement
It is fixed.Wherein top plate opens four row's dense holes and can be used as model hitch point, or is fixedly connected as detachable overhanging extension grillage
Hole.Swing ball load regulating mechanism is connect by the double-deck board clamp with top plate, and is fastened by bolt hole；Wherein set below the jig plate
Shaft is set, as the swing rope hitch point of swing ball, while connecting rotating beam one end.
It is connected by screw bolts between each primary structure of the present invention, is aided with bracket reinforcement, and structure is integrally low wide and up narrow,
Bottom is consolidated using Weight plate.Swing ball is installed on top drilling plate 1 and loads regulating mechanism, swing ball loads regulating mechanism and uses
The double-deck board clamp is positioned and is fastened；And it is equipped with vertical supporting vertical plate and rotating beam shaft, in the shaft side setting angle
Dial 15 controls rotating beam angle.Wherein rotating beam end connects adjusting rope, and pendulum is connected to by idler wheel in the rope other end
Ball loads the hand idler wheel mechanism above regulating mechanism；In addition rotating beam is axially installed with electromagnet moving guide rail, electromagnet peace
It can move in guide rail and along guide rail and position on a corresponding position, the radius of turn position of regulating magnet and swing ball
Place；The rum point of swing ball and ship model exists together identical height level simultaneously.
The present invention relates to Ship Structure vibration impact experiment technical fields, and the purpose is to design one kind to carry out hull knot
Structure shock environment analyzes a kind of impact test system with vibration-mode analysis, and the impact for simulating naval vessel different parts and direction is rung
It should be with mode of oscillation.It is by lateral channel steel, top grillage, bottom weight, swing ball load regulating mechanism and model extension framework
At test bench system；Swing ball excitation load is controlled in above-mentioned swing ball load regulating mechanism side setting angle controller,
It is aided with end electromagnet constraint swing ball release frequency；Ship model is hung and swing ball be arranged at an equal altitude, is loaded by flank attack.The present invention
By suspension type test-bed, carry out ship ship structural impact vibration test under weak constraints in water, it can be effective
The error for the energy loss that conventional ship mode structure spring vertically carries is avoided, while rack autgmentability is strong, and different rulers may be implemented
Model test is spent, the simple fabrication cycle of the apparatus structure is short, experimentation cost is low.
Claims (3)
1. a kind of Ship Structure impact test system, it is characterised in that：Including being pushed up by top drilling plate, bottom weight plate and connection
The test-bed of the oblique channel steel support frame of portion's perforated panel and bottom weight plate composition, has ship in the underhung of top drilling plate
Mould is equipped with swing ball load maintainer on top drilling plate, and the swing ball load maintainer includes level board, on level board
Riser, the U-shaped jig plate mounted on level board both ends, the rotating beam by shaft below level board, the U-shaped folder tool
Plate is mounted on top drilling plate, guide rail is provided on the rotating beam, being provided in guide rail can move and position along guide rail
The end of electromagnet on a corresponding position, the shaft is connected with swing rope, the end set swing ball of swing rope, the level board
On be provided with hand idler wheel, riser upper end is provided with intermediate roller, one end of adjusting rope on hand idler wheel, the other end around
The lower end after intermediate roller with rotating beam is crossed to be connected.
2. a kind of Ship Structure impact test system according to claim 1, it is characterised in that：The end of the shaft is also
The angle dial for measuring rotating beam swing angle is installed.
3. a kind of Ship Structure impact test system according to claim 1 or 2, it is characterised in that：The swing ball is in electricity
It is adsorbed by electromagnet when magnet is powered and is moved with rotating beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610293141.6A CN105910783B (en) | 2016-05-05 | 2016-05-05 | A kind of Ship Structure impact test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610293141.6A CN105910783B (en) | 2016-05-05 | 2016-05-05 | A kind of Ship Structure impact test system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105910783A CN105910783A (en) | 2016-08-31 |
| CN105910783B true CN105910783B (en) | 2018-10-26 |
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| CN201610293141.6A Active CN105910783B (en) | 2016-05-05 | 2016-05-05 | A kind of Ship Structure impact test system |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107345845B (en) * | 2017-07-17 | 2018-08-17 | 岳心怡 | A kind of anti-theft safety door is anti-to be swarmed into, soft impact performance test device |
| CN110108424B (en) * | 2019-05-08 | 2021-11-09 | 中国舰船研究设计中心 | Ship system pipeline support static rigidity testing device and testing method |
| CN110823490B (en) * | 2019-11-20 | 2021-05-11 | 哈尔滨工程大学 | Comprehensive guarantee platform for underwater explosion test of submersible vehicle model |
| CN114018526B (en) * | 2021-11-04 | 2024-05-17 | 三联泵业股份有限公司 | Drop test device for submersible pump |
| CN118565754B (en) * | 2024-08-02 | 2024-10-11 | 哈尔滨工程大学三亚南海创新发展基地 | Device and method for measuring impact data of systematic traction type large-sized submersible vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100537380B1 (en) * | 2004-06-16 | 2005-12-19 | 한국타이어 주식회사 | Sidewall impact tester of tire |
| CN202033166U (en) * | 2011-03-03 | 2011-11-09 | 常州天合光能有限公司 | Automatic impact test device |
| CN202351005U (en) * | 2011-12-12 | 2012-07-25 | 中联重科股份有限公司 | Front impact test device and cab comprehensive test system |
| CN103792061A (en) * | 2012-10-31 | 2014-05-14 | 常州天华新能源科技有限公司 | Photovoltaic assembly impact testing machine |
| CN205719460U (en) * | 2016-05-05 | 2016-11-23 | 哈尔滨工程大学 | A kind of Ship Structure impact test system |
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