CN205209739U - Multi -angle object entries and prevails ripples motion experimental apparatus - Google Patents

Multi -angle object entries and prevails ripples motion experimental apparatus Download PDF

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Publication number
CN205209739U
CN205209739U CN201520896190.XU CN201520896190U CN205209739U CN 205209739 U CN205209739 U CN 205209739U CN 201520896190 U CN201520896190 U CN 201520896190U CN 205209739 U CN205209739 U CN 205209739U
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China
Prior art keywords
horizontal
experiment table
vertical
framework
angle
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Withdrawn - After Issue
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CN201520896190.XU
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Chinese (zh)
Inventor
孙士丽
倪宝玉
武奇刚
胡健
崔冰
刘言峰
王瑾
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Harbin Engineering University
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Harbin Engineering University
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Abstract

The utility model provides a multi -angle object entries and prevails ripples motion experimental apparatus is the mode diversification of entrying, the angle of entrying, the controllable novel experimental apparatus that entries of the speed of entrying, the surface of water when being applicable to the model difference simultaneously and soaking the degree of depth and prevail the ripples experiment under water. The utility model discloses by experiment basin, actuating system, power cabinet, control system and high -speed photography system composition, the actuating system comprises support frame, horizontal laboratory bench, perpendicular experimental frame and angle connector ware, horizontal laboratory bench and perpendicular experimental frame are connected to the angle connector ware, the linkage of motion of implementation system level and vertical motion, angle that regulation structure thing entried. Can realize entrying to one side, change speed through control level laboratory bench respectively and perpendicular experimental frame's velocity amplitude and entry and prevail ripples motion experiment. The utility model has the characteristics of laboratory facilities are various, high, the device high -usage of accuracy, equipment adaptability are high as a result.

Description

Multi-angle object enters water and wave making exercise testing device
Technical field
The utility model relates to the experimental provision in a kind of Naval Architecture and Ocean Engineering experiment field, particularly relates to a kind of multi-angle object and enters water and wave making exercise testing device, is mainly used in the research that works enters water experiment and wave making exercise testing.
Background technology
In recent years, the national future development strategy such as " road one is with ", " 21 century Maritime Silk Road " that China proposes, boats and ships and oceanographic engineering field obtain great attention.Structure water entry problem and wave making motion problems are the study hotspots in boats and ships and oceanographic engineering field.Works problem of water entry is at ocean platform and boats and ships joining WTO effect, and the marine landing of seaplane, guided missile torpedo enter the aspects such as water and have important construction value.Works enters water and can be divided into according to digging water speed and at a high speed enter water and low speed enters water.Works problem of water entry is a complicated problem, clashes into the water surface or the process that entered by air in water at works with certain speed, has related to solid, liquid, gas and to have intercoupled the physical problem of the series of complexes such as effect.Works enters angle and the speed of water, the shape of works head, and the material behavior of works etc. all can have important impact to problem of water entry.Wave making motion problems has very important impact in ship form optimization design, boats and ships smooth water resistance is primarily of viscous resistance and wave making resistance composition, and within the scope of certain Froude number, the change of wave making resistance to ship type is more responsive, if can suitably revise ship type, likely make the wave making resistance of boats and ships obviously reduce, thus reduce the drag overall of boats and ships.
Existing enter in water experimental technique, number of patent application is CN201410287171, and Authorization Notice No. is the patent " a kind of works enters water experiment emitter " of CN104101478A, is entered speed and the angle of water by cylinder and flange adjustment structure.Number of patent application is 201510106458.X, and Authorization Notice No. is the patent " a kind of marine structure joining WTO effect experimental provision " of CN104697737A, enters water management by throwing loading system and high-speed double electromagnet to object.
Enter in water experiment at works, works enter water time angle and speed two key points.Existing enter water experimental provision there is many deficiencies:
(1) adjustment of works immersion angle degree is not considered or Angle ambiguity mode too simple, cause measurement result to there is error, the precision of data is difficult to ensure, can not reach the experiment effect of expection;
(2) realization of water mode is entered for works too single, comprehensively can not realize freely entering water, force into water (at the uniform velocity and speed change) etc. multiple enter water mode, improve experimental cost;
(3) experimental provision function is too single, and can only carry out the single water that enters and test, the experiment for other types does not have applicability, and experimental provision utilization factor is lower.
Summary of the invention
The purpose of this utility model is to realize into the variation of water mode, immersion angle degree, digging water speed controlled and, water surface when being simultaneously applicable to the different immersed depth of model and under water wave making are tested and provide a kind of multi-angle object to enter water and wave making exercise testing device.
The purpose of this utility model is achieved in that and comprises experimental trough, drive system bracing frame, horizontal experiment table and vertical experiment table, described drive system bracing frame comprises interconnective bracing frame framework and gusseted part, described gusseted part is provided with system counterweight, two vertical sections of described support frame are symmetrically arranged with two vertical guide rails, the bracing frame framework of the lower end of two upright guide rails is also respectively arranged with vertical experiment table described in cushion pad and comprises the vertical experiment table framework be arranged on bracing frame framework, be arranged on the ballscrew servomotor on vertical experiment table framework, the ball-screw be connected with ballscrew servomotor output terminal and the leading screw sleeve be arranged on ball-screw, and the two ends of described ball-screw are arranged between two vertical sections of bracing frame framework by two U-shaped bracing frames, it is horizontal experiment table framework that described horizontal experiment table comprises be arranged on two vertical guide rails removable, be symmetricly set on two horizontal slide rails of horizontal experiment table framework both sides, be arranged on the rack-and-pinion servomotor on horizontal experiment table framework, be arranged on the gear on rack-and-pinion servo motor output shaft, be arranged on the tooth bar on the first horizontal slide rail, with tooth bar be connected without increment move horizontally the empirical model web joint that platform and being arranged on moves horizontally lower position in the middle of platform, described wheel and rack engages and tooth bar can move along the first horizontal slide rail, the end of described horizontal shifting platform is arranged on the second horizontal slide rail also can move along the second horizontal slide rail, described horizontal experiment table framework is also provided with connecting square pipes, connecting square pipes is connected by connecting angle iron and leading screw sleeve, empirical model connecting link is provided with in the heart in described empirical model web joint, described empirical model web joint is also provided with electromagnet, empirical model is arranged on electromagnet, described experimental trough is arranged on the below of horizontal experiment table framework.
The utility model also comprises some architectural features like this:
1. the vertical section of support frame as described above framework is provided with for limit levels experiment table vertical motion stroke two vertical stops and two vertical position sensor, described horizontal experiment table framework is provided with two horizontal limiting stoppers for limit levels mobile platform stroke and two horizontal displacement sensors.
2. also comprise computer equipment, power cabinet and high-speed photography system, described ballscrew servomotor, rack-and-pinion servomotor are connected with power cabinet respectively by cable, and power cabinet is connected with computer equipment by cable.
Compared with prior art, the beneficial effects of the utility model are: the utility model can the angle of fine adjustment works when entering water, meets the oblique water entry experiment of variable-angle; Object can be realized freely enter water, force into water (at the uniform velocity and speed change), can better meet experiment for works different enter the requirement of simulating of water mode, there is good practicality; Can enter to works the cavitation phenomenon produced in water process uses laboratory facilities to observe, and has enriched the content entering water experiment, the efficiency of the experiment of raising; Because the tangential movement of system and vertical movement can independently control, thus can implementation model different immersed depth time the water surface and under water wave making test, improve applicability and the utilization factor of experimental provision.The utility model, by level of control experiment table can realize oblique water entry with the velocity amplitude of vertical experiment frame respectively, speed change enters water and wave making exercise testing, has that laboratory facilities are various, result degree of accuracy is high, utilization ratio of device is high, apparatus adaptability high.
Accompanying drawing explanation
Fig. 1 is general structure schematic diagram of the present utility model;
Fig. 2 is the structural representation that the utility model removes experimental trough etc.;
Fig. 3 is the structural representation of drive system bracing frame of the present utility model;
Fig. 4 is the structural representation of vertical experiment table of the present utility model;
Fig. 5 is the structural representation one of horizontal experiment table of the present utility model;
Fig. 6 is the structural representation two of horizontal experiment table of the present utility model;
Fig. 7 is the structural representation of angular connector of the present utility model.
In figure: 1. experimental trough, 2. drive system, 3. computer equipment, 4. power cabinet, 5. high-speed photography system, 6. drive system bracing frame, 7. vertical experiment table, 8. horizontal experiment table, 9. bracing frame framework, 10. system counterweight, 11. vertical slide rail, 12. vertical stops, 13. vertical position sensor, 14.U type supports s frame, 15. vertical experiment table frameworks, 16. leading screw sleeves, 17. ball-screws, 18. leading screw shaft couplings, 19. ballscrew servomotor, 20. horizontal experiment table frameworks, 21. level sensors, 22. horizontal limiting stoppers, 23. move horizontally platform, 24. horizontal slide rails, 25. empirical model connecting links, 26. rack-and-pinion servomotors, 27. connecting angle irons, 28. connecting square pipes, 29. horizontal gears, 30. horizontal rack, 31 cushion pads, 32 electromagnet.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
Composition graphs 1 to Fig. 7, the utility model comprises experimental trough 1, drive system 2, power cabinet 4, computer equipment 3 and high-speed photography system 5.
Experimental trough 1 is welded by angle steel and forms framed structure, the sidewall of cell body and the bonding Double-layered transparent acrylic material of bottom glass cement, and tank installs shadow shield near drive system 2 side; Drive system 2 is by system support frame 6, and vertical experiment table 7 and horizontal experiment frame 8 three part form; The drive control apparatus of ballscrew servomotor 19 and rack-and-pinion servomotor 26 is installed in power cabinet 4, and connects servomotor and computer equipment 3 by cable distribution; Computer equipment 3 is provided with Serve Motor Control software, for the control of moving to servomotor; High-speed photography 5 system footprint, at the opposite side of experimental trough 1, enters to works the cavitation phenomenon produced in water process and observes.
As shown in Figure 3: the framed structure 9 of drive system bracing frame 6 is welded by square tube material, part uses angle bar and bolt and nut in addition fastening; System counterweight 10 is placed in the gusseted part of framed structure 9; Two vertical slide rail 11 symmetries are arranged on the vertical component epimere both sides of framed structure 9, in order to connect horizontal experiment table 8; Two vertical stops 12 and two vertical position sensor 13 are arranged on vertical component the same side of framework architecture 9, prevent drive system vertical movement from exceeding experiment safety value; On the pedestal be made up of square tube that two cushion pads 31 are installed respectively, at the horizontal experiment table 8 of system cut-off rear support, reduce the wearing and tearing of system; A U-shaped bracing frame 14 is arranged on the top of framed structure 9, in order to back-up roller ballscrew 17.
As shown in Figure 4: vertically the framed structure 15 of experiment table 7 is welded by square tube material, and with angle bar, brace and bolt and nut settling is fastened on drive system bracing frame 6; Ballscrew servomotor 19 is arranged in framed structure, and is connected with ball-screw 17 with shaft coupling 18; The two ends up and down of ball-screw 17 are fixed with a U-shaped bracing frame 14 respectively; Leading screw sleeve 16 is arranged on the top of ball-screw 17, is used for forming angular connector with connecting angle iron 27, connecting square pipes 28, the vertical movement that ball-screw 17 realizes is connected on horizontal experiment table 8.
As shown in Figure 5 and Figure 6: the vertical component of the framed structure 20 of horizontal experiment table 8 is connected with two vertical slide rail 11, realizes the vertical movement of horizontal experiment table 8; Two level sensors 21 are arranged on the two ends of horizontal experiment table 8 respectively, and two horizontal limiting stoppers 22 are arranged on the both sides of experiment table 8 respectively, prevent the tangential movement moving horizontally platform 23 from exceeding experiment safety value; Move horizontally platform 23 two horizontal slide rails 24 and horizontal experiment table framed structure 20 couples together, specifically horizontal shifting platform one end and tooth bar is connected, the other end is arranged on a horizontal slide rail and can move on horizontal slide rail, described tooth bar is arranged on another horizontal slide rail, is driven move on the horizontal slide rail of correspondence by motor; Rack-and-pinion servomotor 26 is arranged in framed structure 20, and the output terminal of motor is connected with the tooth bar 30 moved horizontally on platform 23 installed by gear 29; Empirical model connecting link 25 is fastened on bolt and iron pin and moves horizontally on platform 23, and electromagnet 32 is also arranged on and moves horizontally on platform 23 simultaneously.
As shown in Figure 7: angular connector by leading screw sleeve 16, connecting angle iron 27, connecting square pipes 28 forms; Leading screw sleeve 16 connects ball-screw 17, and is fastened on connecting angle iron 27 with bolt and nut; The opposite side of connecting angle iron 27 is welded on connecting square pipes 28, and connecting square pipes 28 bolt and nut is fastened on horizontal experiment table 8; Like this, ballscrew servomotor 19 and ball-screw 17 just realize the vertical movement of horizontal experiment table 8 by vertical-horizontal syndeton and vertical slide rail 11, rack-and-pinion servomotor 26 achieves by gear 29, tooth bar 30 and horizontal slide rail 24 tangential movement moving horizontally platform 23; Move horizontally on platform 23 because model connecting link 25 is arranged on, the tangential movement of empirical model, vertical movement and varied angle oblique movement move horizontally platform 23 to be arranged on horizontal experiment table 8, so can be realized by controlling ballscrew servomotor 19 and rack-and-pinion servomotor 26; Angle value when model enters water can be accurately calculated by the velocity amplitude of tangential movement and vertical movement.
To sum up, of the present utility model enter water experimental principle as follows: first, experimentally need digging water speed and the angle of determining empirical model, control ballscrew servomotor 19 by computer equipment 3 and rack-and-pinion servomotor 26 runs; Subsequently, drive ball-screw 17 is driven the vertical movement of horizontal experiment table 8 by vertical-horizontal syndeton and vertical slide rail 11 by ballscrew servomotor 19, thus the vertical movement of implementation model; Rack-and-pinion servomotor 26 will be driven by gear 29, tooth bar 30 and horizontal slide rail 24 and move horizontally platform 23 tangential movement, thus the tangential movement of implementation model; By regulating the motion of ballscrew servomotor 19 and rack-and-pinion servomotor 26 simultaneously, can implementation model friction speed and angle force into water; Separately empirical model is arranged on electromagnet 32, freely enters water by electro-magnet switch implementation model; Finally by high-speed photography system 5 realize to whole enter the detailed record of water process, the cavitation phenomenon produced when especially entering water to works can observational record in detail; In whole process, two vertical stops 12 and two horizontal limiting stoppers 22 are by horizontal for guarantee experiment table 8 and move horizontally platform 23 and move in experiment safety value, any one stop is triggered, whole system circuit will be cut off, motor is in band-type brake state, ensures the safety and reliability of whole system
Wave making experimental principle of the present utility model is as follows: first experimentally need the state determined residing for empirical model, controls ballscrew servomotor 19 and rack-and-pinion servomotor 26 runs by computer equipment 3; Subsequently, drive ball-screw 17 is driven the vertical movement of horizontal experiment table 8 by vertical-horizontal syndeton and vertical slide rail 11 by ballscrew servomotor 19, thus model is adjusted to the depth of water position of requirement of experiment, stop the work of ballscrew servomotor 19, the vertical deviation of horizontal experiment table 8 stops, and so far the vertical deviation adjustment of model is complete; Final gear tooth bar servomotor 26 will be driven by gear 29, tooth bar 30 and horizontal slide rail 24 and move horizontally platform 23 tangential movement, thus by wave making experiment during implementation model tangential movement, also namely model connecting link realizes wave making experiment by experiment.
The utility model forms primarily of experimental trough, drive system, power cabinet, computer equipment and high-speed photography system; Experimental trough is welded by angle steel and forms framed structure, the sidewall of cell body and the bonding Double-layered transparent acrylic material of bottom glass cement, and tank installs shadow shield near drive system side; Drive system by system support frame, vertical experiment frame, horizontal experiment table and angular connector four part composition; The drive control apparatus of ballscrew servomotor and rack-and-pinion servomotor is installed in power cabinet, and connects servomotor and computer equipment respectively by cable; Computer equipment is provided with Serve Motor Control software, for the control of moving to servomotor; High-speed photography system is placed in the opposite side of experimental trough.
The framed structure of described system support frame is made up of square tube material; System weight placement is in the gusseted part of framed structure; Two vertical slide rail symmetries are arranged on the vertical component epimere both sides of framed structure, in order to connect horizontal experiment table; Two vertical stops and two vertical position sensor are arranged on vertical component the same side of framework architecture; On the pedestal be made up of square tube that two cushion pads are installed respectively; A U-shaped bracing frame is arranged on the top of framed structure, in order to connect ball-screw.
The framed structure of described vertical experiment frame is made up of square tube material; Ballscrew servomotor is arranged in framed structure, and is connected with ball-screw with shaft coupling; The two ends up and down of ball-screw are fixed with a U-shaped bracing frame respectively; Leading screw sleeve is arranged on the top of ball-screw, is used for and connecting angle iron, connecting square pipes composition angular connector.
The vertical component of the framed structure of described horizontal experiment table is connected with two vertical slide rail, realizes the vertical movement of horizontal experiment table; Two level sensors are arranged on the two ends of horizontal experiment table respectively, and two horizontal limiting stoppers are arranged on the both sides of experiment table respectively; Move horizontally platform two horizontal slide rails and horizontal experiment table framed structure couples together; Rack-and-pinion servomotor is arranged in framed structure, and the output terminal of motor is connected with the tooth bar moved horizontally on platform of installation by gear; Empirical model connecting link bolt and iron pin are fastened on and move horizontally on platform, freely enter water power magnet simultaneously and are also arranged on and move horizontally on platform.
Described angular connector by leading screw sleeve, connecting angle iron, connecting square pipes form; Leading screw sleeve connection ball-screw, and be fastened on connecting angle iron with bolt and nut; The opposite side of connecting angle iron is welded on connecting square pipes, and connecting square pipes bolt and nut is fastened on horizontal experiment table.

Claims (3)

1. multi-angle object enters water and wave making exercise testing device, it is characterized in that: comprise experimental trough, drive system bracing frame, horizontal experiment table and vertical experiment table, described drive system bracing frame comprises interconnective bracing frame framework and gusseted part, described gusseted part is provided with system counterweight, two vertical sections of described support frame are symmetrically arranged with two vertical guide rails, the bracing frame framework of the lower end of two upright guide rails is also respectively arranged with vertical experiment table described in cushion pad and comprises the vertical experiment table framework be arranged on bracing frame framework, be arranged on the ballscrew servomotor on vertical experiment table framework, the ball-screw be connected with ballscrew servomotor output terminal and the leading screw sleeve be arranged on ball-screw, and the two ends of described ball-screw are arranged between two vertical sections of bracing frame framework by two U-shaped bracing frames, it is horizontal experiment table framework that described horizontal experiment table comprises be arranged on two vertical guide rails removable, be symmetricly set on two horizontal slide rails of horizontal experiment table framework both sides, be arranged on the rack-and-pinion servomotor on horizontal experiment table framework, be arranged on the gear on rack-and-pinion servo motor output shaft, be arranged on the tooth bar on the first horizontal slide rail, with tooth bar be connected without increment move horizontally the empirical model web joint that platform and being arranged on moves horizontally lower position in the middle of platform, described wheel and rack engages and tooth bar can move along the first horizontal slide rail, the end of described horizontal shifting platform is arranged on the second horizontal slide rail also can move along the second horizontal slide rail, described horizontal experiment table framework is also provided with connecting square pipes, connecting square pipes is connected by connecting angle iron and leading screw sleeve, empirical model connecting link is provided with in the heart in described empirical model web joint, described empirical model web joint is also provided with electromagnet, empirical model is arranged on electromagnet, described experimental trough is arranged on the below of horizontal experiment table framework.
2. multi-angle object according to claim 1 enters water and wave making exercise testing device, it is characterized in that: the vertical section of support frame as described above framework is provided with for limit levels experiment table vertical motion stroke two vertical stops and two vertical position sensor, described horizontal experiment table framework is provided with two horizontal limiting stoppers for limit levels mobile platform stroke and two horizontal displacement sensors.
3. multi-angle object according to claim 1 and 2 enters water and wave making exercise testing device, it is characterized in that: also comprise computer equipment, power cabinet and high-speed photography system, described ballscrew servomotor, rack-and-pinion servomotor are connected with power cabinet respectively by cable, and power cabinet is connected with computer equipment by cable.
CN201520896190.XU 2015-11-11 2015-11-11 Multi -angle object entries and prevails ripples motion experimental apparatus Withdrawn - After Issue CN205209739U (en)

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Application Number Priority Date Filing Date Title
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105334019A (en) * 2015-11-11 2016-02-17 哈尔滨工程大学 Multi-angle object water entry and wave-making motion experimental device
CN106097841A (en) * 2016-08-22 2016-11-09 浙江大学 Object constant speed water outlet experimental provision
CN108088638A (en) * 2017-11-29 2018-05-29 中国直升机设计研究所 A kind of fuselage skin dampening experimental rig
CN108613793A (en) * 2018-05-04 2018-10-02 北京理工大学 A kind of rotatable water entry test device of structure
CN109506887A (en) * 2018-12-21 2019-03-22 中国特种飞行器研究所 A kind of rotor class deplanement weight-type lift simulation ditching test method
CN110567507A (en) * 2019-07-10 2019-12-13 哈尔滨工程大学 Device for measuring motion and stress when hanging object and putting into water
CN111024425A (en) * 2019-12-10 2020-04-17 中国特种飞行器研究所 Vertical water inlet test device and test method for model
CN111721499A (en) * 2020-07-01 2020-09-29 黄淮学院 Experimental device for oblique water inlet and outlet of structure
CN114061900A (en) * 2021-11-02 2022-02-18 中国空气动力研究与发展中心空天技术研究所 Triggering type throwing test water tank device

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105334019A (en) * 2015-11-11 2016-02-17 哈尔滨工程大学 Multi-angle object water entry and wave-making motion experimental device
CN105334019B (en) * 2015-11-11 2017-11-21 哈尔滨工程大学 Multi-angle object enters water and wave making exercise testing device
CN106097841A (en) * 2016-08-22 2016-11-09 浙江大学 Object constant speed water outlet experimental provision
CN108088638A (en) * 2017-11-29 2018-05-29 中国直升机设计研究所 A kind of fuselage skin dampening experimental rig
CN108613793A (en) * 2018-05-04 2018-10-02 北京理工大学 A kind of rotatable water entry test device of structure
CN109506887A (en) * 2018-12-21 2019-03-22 中国特种飞行器研究所 A kind of rotor class deplanement weight-type lift simulation ditching test method
CN110567507A (en) * 2019-07-10 2019-12-13 哈尔滨工程大学 Device for measuring motion and stress when hanging object and putting into water
CN110567507B (en) * 2019-07-10 2021-12-07 哈尔滨工程大学 Device for measuring motion and stress when hanging object and putting into water
CN111024425A (en) * 2019-12-10 2020-04-17 中国特种飞行器研究所 Vertical water inlet test device and test method for model
CN111721499A (en) * 2020-07-01 2020-09-29 黄淮学院 Experimental device for oblique water inlet and outlet of structure
CN114061900A (en) * 2021-11-02 2022-02-18 中国空气动力研究与发展中心空天技术研究所 Triggering type throwing test water tank device

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Granted publication date: 20160504

Effective date of abandoning: 20171121