CN105035262A - Ship seaworthiness tester - Google Patents
Ship seaworthiness tester Download PDFInfo
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- CN105035262A CN105035262A CN201510287430.0A CN201510287430A CN105035262A CN 105035262 A CN105035262 A CN 105035262A CN 201510287430 A CN201510287430 A CN 201510287430A CN 105035262 A CN105035262 A CN 105035262A
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Abstract
The invention discloses a ship seaworthiness tester which comprises the components of a pair of vertical column racks, crossbeam racks which are arranged between the pair of vertical column racks, a seaworthiness testing device and a following brake device which are arranged on the crossbeam racks. The seaworthiness testing device utilizes a linear motor according to a magnetic suspension principle as a controlling and measurement mode, thereby measuring the motion attitude and added resistance condition of a ship model in the wave at conditions of ultralow damping and no other restraining conditions except for yawing and swaying. The following brake device utilizes the following principle of a linear motor. Through converting pneumatic cylinder movement to mechanical clamping, and clamping and loosening a track by a rail clamp, the ship model is started and stopped in the wave. The ship seaworthiness tester realizes accurate measurement for the seaworthiness state of the ship in a simulated wave.
Description
Technical field
The invention belongs to boats and ships technical field of measurement and test, particularly relate to a kind of system that the heave of ship model in wave, pitching, resistance, surging and rolling are tested and tested seaworthiness performance.
Background technology
Along with the development of shipping technology is innovated, improve the important means that ship performance accuracy of the forecast is ship type development, and the precision of model test directly affects ship performance accuracy of the forecast, boats and ships move in stormy waves, increase the precision that the test technology of resistance, stall and propulsion quality etc. directly has influence on model test, are ship performance forecast important evidence.
The model test of current ship model in wave mainly contains two kinds, a kind of is restriction surging formula, what reflect in test is not real wave motion, another kind provides the stressed of ship model and sounding rod by the stretching of two ends spring, can realize free surging to a certain extent, but spring exists elastic damping, affect oscillation frequency, can not reflect real motion, drag measurement is had a certain impact, and this test method needs people to control ship model for going in start-stop process.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of seaworthiness tester that ship model wave motion performance, wavegoing model test measuring accuracy are high that can truly reflect, to overcome the deficiency that prior art exists.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of seaworthiness tester, is characterized in that: comprise a pair column support, is located at the cross beam frame between a pair column support, and the seaworthiness proving installation be positioned on described cross beam frame and follow brake gear;
The first slide, vertically activity that described seaworthiness proving installation comprises on the first linear electric motors be located on cross beam frame, displacement first linear electric motors are located in the first movable post in the first slide and are connected to the measuring head of the first movable post lower end; Described first slide is provided with the lifting displacement pickup of the movable post adjustable height of detection first; Described measuring head comprises the resistive force sensor, pitching sensor and the rolling sensor that are connected to the first movable post lower end in turn; Described first linear electric motors are provided with the first displacement motor sensor;
Described brake gear of following comprises the second linear electric motors be located on cross beam frame, the second slide be positioned on the second linear electric motors, and vertical activity is located in the second movable post, the lift drive mechanism of the movable post lifting of driving second and the chuck of connection the second movable post lower end in the second slide; Described second linear electric motors are provided with the second displacement motor sensor, and described second linear electric motors have braking mechanism;
Also include testing and control assembly, described lifting displacement pickup, described resistive force sensor, described pitching sensor, described rolling sensor, described first displacement motor sensor and described second displacement motor sensor are all connected with described testing and control assembly; Described testing and control assembly also connects the electromagnetic valve of the first motor driver of described first linear electric motors, the second motor driver of described second linear electric motors, the electromagnetic valve of described braking mechanism and described chuck.
Described lift drive mechanism is formed by being located at the drive motor of the second movable capital end, the screw mandrel being provided with the second movable post side and the nut be fixed on the second slide; Described screw mandrel is located in described nut, and top connects described drive motor.
Described chuck is pneumatic chuck, comprise be connected to the second movable post lower end permanent seat, by air cylinder driven and the movable block be positioned at below permanent seat and a pair clamping plate be positioned at below movable block; Described movable block have a pair symmetry and the guiding perforation of arranging in " Y " type; The front and rear end of described permanent seat is also separately installed with vertical chute, is also separately installed with vertical guide in the front and rear end of movable block, and described vertical guide is positioned at described vertical chute; The back of every block clamping plate connects support by a pair stay bearing plate, a pair stay bearing plate extends upwardly to the left and right end face of described permanent seat, the upper end of described stay bearing plate is connected with guiding slide, the left and right end face of described permanent seat is provided with cross slide way, described guiding slide is arranged on horizontal slide rail, the top position being positioned at clamping plate between a pair stay bearing plate is connected with brake axle, and described brake axle is arranged in the perforation of described guiding.
Described guiding perforation is connected and composed by vertical elongated hole and oblique elongated hole, and the lower end of described oblique elongated hole connects the upper end of described vertical elongated hole, and the upper end of described oblique elongated hole is positioned at the oblique upper in the outside of vertical elongated hole.
The left and right side of described second movable post lower end also adds brace panel respectively, and described brace panel bottom has a pair right angle incision, and described right angle incision is just in time adaptive with the square apex angle of the inner top side of described stay bearing plate.
Described cross beam frame comprises first crossbeam frame and second cross beam frame, and described seaworthiness proving installation is positioned on described first crossbeam frame, described in follow brake gear and be positioned on described second cross beam frame.
The side of described first movable post is provided with vertical grating scale, has the first horizontal raster chi outside described first crossbeam frame, has the second horizontal raster chi outside described second cross beam frame; Described lifting displacement pickup, described first displacement motor sensor and the second displacement motor sensor are grating scale read head.
Described first movable post and described second movable post side all have vertical guide, and described first slide and described second slide all have guide groove, and described vertical guide is engaged in described guide groove.
Described measuring head also includes adapter plate and connecting panel, described resistive force sensor one end connects the lower end of described first movable post, the other end connects described adapter plate, and described pitching sensor and described rolling sensor are connected in turn between described adapter plate and described connecting panel.
Adopt technique scheme, the present invention has following advantage:
1, utilize the linear electric motors of magnetic suspension principle to control and measurement mechanism as ship model, realize contactless loading and measurement, damping coefficient is ultralow, not limited model motion, and accurate positioning, control and survey precision high.
2, follow brake gear, realize brake and be synchronized with the movement with measurement mechanism, and do not affect the vibration of measuring section, solve movement of ship model in wave excessive, cannot the problem of apply the brakes.
2, brake is achieved integrated with measurement, data acquisition and controlling integration, reduce equipment volume, be convenient to lifting and the use of equipment, realization simultaneously accelerates and braking section provides traction power by following brake gear, there is provided traction power by seaworthiness proving installation during measurement, reduce transducer range, improve test accuracy.
4, equipment has pneumatic machine brake, and power down auto-lock function, equipment transient starting traction ability can reach 1.5 tons.
5, be provided with the interlock protection devices such as programming control protection and the protection of Anti-knocking mechanical position limitation in measuring, this equipment can be protected better.
6, state of kinematic motion realizes non-contact exact measurement by high precision grating scale.
In sum, present invention achieves the accurate measurement of ship model seaworthy in simulated waves.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail:
Fig. 1 is the first view stereo structural representation of the present invention;
Fig. 2 is the second view stereo structural representation of the present invention;
Fig. 3 is the structural representation of measuring head;
Fig. 4 is the structural representation of chuck;
Fig. 5 is the structural representation of movable block;
Fig. 6 is the chuck structure schematic diagram installing brace panel additional;
Fig. 7 is the connection diagram of testing and control part;
Fig. 8 is the birds-eye view that the present invention is applied in seaworthiness test macro;
Fig. 9 is the front elevation that the present invention is applied in seaworthiness test macro;
Figure 10 is the lateral plan that the present invention is applied in seaworthiness test macro;
Detailed description of the invention
As depicted in figs. 1 and 2, seaworthiness tester 300 comprises a pair column support 310, first crossbeam frame 320, second cross beam frame 330, seaworthiness proving installation 340 and follows brake gear 350.
Wherein, a pair column support 310 apportion both sides, first crossbeam frame 320 and second cross beam frame 330 are arranged between a pair column support 310 top, and first crossbeam frame 320 is positioned at the below of second cross beam frame 330, and first crossbeam frame 320 and second cross beam frame 330 are formed by the crossbeam 801 at pair of parallel interval.
Seaworthiness proving installation 340 comprises the first linear electric motors 3410, first slide 3420, first movable post 3430 and measuring head 3440.
First linear electric motors 3410 are arranged on first crossbeam frame 320, and the first slide 3420 is arranged on again on the first linear electric motors 3410.First slide 3420 can carry out motion of translation along first crossbeam frame 320 under the first linear electric motors 3410 drive.First slide 3420 is provided with middle the first guide holder 3421 with through hole, and the both sides inwall of through hole has guide groove.First movable post 3430 both sides outer wall is provided with vertical guide 3431.This first movable post 3430 is arranged in the through hole of the first guide holder 3421 vertically, and its lower end passes from the below of first crossbeam frame 320, and upper end upwards extends.The vertical guide 3431 of the first movable post 3430 is engaged in the guide groove of through hole, and this first movable post 3430 can up-and-down movement under the constraint of guide groove and vertical guide 3431.First movable post 3430 another side is also provided with vertical grating scale 3432.On the first guide holder 3421, the position of corresponding vertical grating scale is provided with lifting displacement pickup, and this lifting displacement pickup is grating scale read head.
First linear electric motors 3410 by two elementary and be positioned at two elementary on four secondaryly to form, two elementary double first slide rails 3411 that do are arranged on two crossbeams of first crossbeam frame 320 respectively, four secondary lay respectively at four drift angles bottom the first slide 3420 double be made in elementary on the first shoes 3412.Certainly, also can be secondaryly double as slide rail, elementaryly double as shoes.
In addition, the cross rail outer of first crossbeam frame 320 is also provided with the first horizontal raster chi 3413, it is also grating scale read head that the position of the corresponding first horizontal raster chi 3413 of the first slide 3420 side is provided with the first displacement motor sensor 3422, first displacement motor sensor.
Shown in composition graphs 3, measuring head 3440 is connected to the lower end of the first movable post 3430, comprises adapter plate 3441, connecting panel 3442, resistive force sensor 3443, rolling sensor 3444 and pitching sensor 3445.Wherein, the upper end of resistive force sensor 3443 is connected with the sensor fixation plate 3433 under the first movable post 3430, the lower end of resistive force sensor 3443 is connected with adapter plate 3441, and pitching sensor 3444 and rolling sensor 3445 are connected in turn between adapter plate 3441 and connecting panel 3442.
Particularly, resistive force sensor 3443 is that conventional list divides force snesor, and being arranged between sensor fixation plate 3433 under the first movable post 3430 and adapter plate 3441, is be exclusively used in the force transducer measuring ship model X-direction power (i.e. working direction power).Pitching sensor 3444 and rolling sensor 3444 are digital regulation resistance, are connected on the center cross between adapter plate 3441 and connecting panel 3442 by elastic coupling, obtain vertical roll angle signal by the waving of two axles of measuring in center cross.
Again as depicted in figs. 1 and 2, follow brake gear 350 and comprise the second linear electric motors 3510, second slide 3520, second movable post 3530 and chuck 3540.
Wherein, the second linear electric motors 3510 are arranged on second cross beam frame 330, and the second slide 3520 is arranged on again on the second linear electric motors 3510.Second slide 3520 can carry out motion of translation along second cross beam frame 330 under the second linear electric motors 3510 drive.Second slide 3520 is provided with the second guide holder 3521 of middle with hole, and the both sides inwall of through hole has guide groove.The both sides outer wall of the second movable post 3530 is provided with vertical guide 3531.This second movable post 3530 is arranged in the through hole of the first guide holder 3521 vertically, and vertical guide 3531 coordinates with guide groove.The lower end of the second movable post 3530 passes from the gap of second cross beam frame 330, first crossbeam frame 320, and be connected with chuck 3540, upper end upwards extends.The upper end of the second movable post 3530 is provided with a drive motor 3550.Be provided with a screw mandrel 3551 in the side of the first movable post 3530, this screw mandrel 3551 upper end is connected with drive motor 3550.Second slide 3530 also has nut 3524, and screw mandrel 3551, through nut 3524, engages with nut 3524.Under the driving of drive motor 3550 and by the transmission of leading screw and nut mechanism, the second movable post 3530 can drive chuck 3540 to carry out rising or declining, thus the ship model of corresponding different large small size makes chuck 3540 adjust to applicable height.
Second linear electric motors 3510 also elementary by two and be positioned at two elementary on four secondaryly to form, two elementary double second slide rails 3511 that do are arranged on two crossbeams of second cross beam frame 330 respectively, four secondary be arranged on respectively four drift angles bottom the second slide 3520 double be made in elementary on the second shoes 3512.Equally, also can be secondaryly double as slide rail, elementaryly double as shoes.
In addition, the cross rail outer of second cross beam frame 330 is yet provided with the second horizontal raster chi 3513, second slide 3520 side installs braking mechanism and the second displacement motor sensor 3523, braking mechanism is the position that correspondence is arranged on the second slide rail 3511, and the second displacement motor sensor correspondence is arranged on the position of the second horizontal raster chi 3513.
As shown in Figure 4, chuck 3540 comprises permanent seat 601, movable block 602, a pair clamping plate, 603, four pieces of stay bearing plates 604, two pieces of bosses and cylinders.
Wherein, permanent seat 601 is connected to the lower end of the second movable post 3530, and movable block 602 is positioned at the below of permanent seat 601, and cylinder is hidden and is arranged on the second movable post 3530 inside, and its piston rod stretches out downwards from permanent seat 601, is connected with movable block 602.Under the driving of cylinder 606, movable block 602 can up-and-down movement.For ensureing that movable block 602 up-and-down movement is steady, be also separately installed with vertical chute 607 in the front and rear end of permanent seat 601, be also separately installed with vertical guide 608 in the front and rear end of movable block 602, vertical guide 608 is positioned at vertical chute 607.
The left and right side of movable block 602 offers a pair symmetry and the guiding perforation 620 of arranging in " Y " type.Particularly, as shown in Figure 5, this guiding perforation 620 comprises vertical elongated hole 621 and oblique elongated hole 622 connects and composes, and the lower end of this oblique elongated hole 622 connects the upper end of vertical elongated hole 621, and the upper end of oblique elongated hole 622 is positioned at the oblique upper in the outside of vertical elongated hole 621.
Again shown in Fig. 4, a pair clamping plate 603 is positioned at the below of movable block 602.It is two right that four pieces of stay bearing plates 604 are divided into, the back of every block clamping plate 603 is supported by a pair leg-of-mutton stay bearing plate 604, stay bearing plate 604 extends upwardly to the left and right end face of permanent seat 601, its upper end is connected with guiding slide 609, the left and right end face of permanent seat 601 is also provided with cross slide way 610, and guiding slide 609 is arranged on horizontal slide rail 610.Between a pair stay bearing plate 604, be positioned at the upper of clamping plate 603 installed brake axle 611, this brake axle 611 is arranged in guiding perforation 620.
The mode of operation of this chuck 3540 is: when brake axle 611 is arranged in vertical elongated hole 621, and the distance between a pair clamping plate 603 is minimum, and chuck is in clamped condition.When air cylinder driven movable block 602 moves downward, guiding perforation 620 on it also can move downward, when moving to after oblique elongated hole 622 contacts with brake axle 611, oblique elongated hole 622 can force brake axle 611 to move obliquely upward, until move to the upper end of oblique elongated hole 622, such brake axle 611 just drives stay bearing plate 604, and stay bearing plate 604 and then drive clamping plate 603 move in outward direction, and a pair clamping plate 603 is opened.Otherwise, when cylinder 603 drives movable block 602 upward movement, a pair clamping plate 603 can be ordered about and do pinching action.
In addition, as shown in Figure 6, two pieces of brace panels 605 are installed on the left and right side of the second movable post 3530 lower end, and this brace panel 605 bottom has a pair right angle incision 651, this right angle incision 651 just in time with the adaptation of the inner top side square apex angle 641 of stay bearing plate 604.Like this, when chuck clamps, the square apex angle 641 of the inner top side of stay bearing plate 604 is just in time arranged in the right angle incision 651 of brace panel 605, fix by right angle incision 651, play stay bearing plate 604 further supporting role, improve the gripping power of chuck.
Again as depicted in figs. 1 and 2, the two ends of first crossbeam frame 320, the two ends of second cross beam frame 330, the upper end of the first movable post 3430, the upper end of the second movable post 3530 are also respectively equipped with crashproof limiting device 802.
Shown in composition graphs 7, seaworthiness test macro of the present invention, also include testing and control part, this testing and control part comprises the testing and control assembly 900 be made up of computing machine 901, signal acquisition process equipment 902 and controller 903, resistive force sensor 3443, pitching sensor 3444 and rolling sensor 3445 are connected respectively to signal acquisition process equipment 902.First linear electric motors 3410 and the first displacement motor sensor 905 are connected the first motor driver 907, second linear electric motors 3510 respectively and are connected the second motor driver 908 respectively with the second displacement motor sensor 905.Lifting displacement pickup 904, first motor driver 907, second motor driver 908 distinguishes connection control device 903 again; Signal acquisition process equipment 902 is connected with computing machine 901 all with controller 903 again.Controller 903 is also connected with the electromagnetic valve of cylinder with track clamp respectively.
During test, computing machine 901 obtains the resistance signal in wave of ship model, pitching signal and rolling signal and and then process acquisition wave drag data, pitching data and rolling signal respectively by signal acquisition process equipment 902.Computing machine 901 can also obtain lifting displacement data, the first displacement motor data and the second displacement motor data by controller 903, and can control the first linear electric motors 3410 by controller 903, first motor driver 907 and the second motor driver 908 and the second linear electric motors 3510 work, controller also controls the work of track clamp and cylinder by electromagnetic valve.
First linear electric motors 3410 and the second linear electric motors 310 all have two kinds of live line work states, and one is free state, and one is enabled state.Free state refer to linear electric motors secondary hover over elementary on, both there is no friction drag between primary and secondary, there is no that drive force is elementary to be moved on secondary yet, make secondary be positioned at elementary on be in the state that horizontal direction do not stress; Enabled state refer to drive secondary on elementary horizontal motion.
As seen in figs. 8-10, boats and ships of the present invention are fitted tester 300 and are applied in seaworthiness test macro, and seaworthiness test macro also comprises pond 100, are located at the main orbit 200 of both sides, pond, are located at the trailer 400 on main orbit 200.Seaworthiness tester 300 is arranged on trailer 400.Trailer 400 moves along main orbit 200 for drawing seaworthiness tester 300.
When testing, ship model 10 is connected to the below of seaworthiness tester 300, by the dragging of trailer 400, drives ship model 10 to navigate by water at the wavy water surface 101 of the simulation in pond 100 by seaworthiness tester 300.
For convenience of the position of adjustment seaworthiness tester 300 on trailer 400, to adapt to the ship model connecting different model, trailer 400 also has carriage track 401.After seaworthiness tester 300 adjusts good position on carriage track 401, lock with lockout mechanism 402.
The test mode of seaworthiness tester of the present invention is as follows:
Ship model 10 is arranged on commitment positions and is connected with seaworthiness tester 300 (connecting panel 3442 namely in measuring head 3440 is connected with ship model 10), and the first linear electric motors 3410 of seaworthiness proving installation 340 are in free state.And the chuck 3540 of following brake gear 350 clamps ship model, and the track clamp 3522 of following in brake gear 250 clamps the second slide rail 3511, make to follow brake gear 350 and be in static stationary state on second cross beam 330, seaworthiness proving installation 340 is in free state, and seaworthiness tester 300 is accelerated by trailer traction ship model.
After trailer speed is stable, the chuck 3540 controlling to follow brake gear 350 is opened, unclamp ship model 10, and (following state refers to follow brake gear 350 and follows seaworthiness proving installation 340 move under enabled state for following state to control to follow brake gear 350, mode of operation is that controller 903 can control the secondth linear electric motors 3510 according to the displacement data of the first linear electric motors 3410 obtained and follows displacement accordingly particularly), seaworthiness proving installation 340 is set to pre-drag measurement state (after pre-drag measurement state refers to that trailer startup optimization is stable, the resistance of premeasuring ship model in wave, for later stage self-adaptative adjustment adopts data in advance), ship model and seaworthiness proving installation 340 are with wave motion, at this moment controlling seaworthiness proving installation 340 be that self adaptation state is (after self adaptation state refers to that controller is analyzed according to the resistance of drag measurement in advance above, first linear electric motors 3410 adapt to the motion that ground drives ship model automatically, thus the every data of ship model in wave can be measured more accurately), second linear electric motors 3510 still keep following state constant, first linear electric motors 3410 will according to ship model resistance situation of change self-adaptative adjustment, until movement of ship model is stablized, measure and record heave after stable, surging, pitching, rolling and drag data.
After having sampled, control the chuck 3540 of following in brake gear 350 and clamp ship model, the second linear electric motors 3510 are become free state from following state simultaneously, delay 1s controls the first linear electric motors 3410 and is become " free state " from " self adaptation state ".Then, control to follow brake gear 250 middle orbit clamp 3522 and clamp the second slide rail 3511.Finally, then control trailer slowly underspeeds, and finally makes ship model out of service, completes test.
Seaworthiness proving installation of the present invention 340, is measured except yawing and swaying except without the athletic posture of the ship model under conditions of other constraints in wave and increasing resistance situation when ultralow damping as control and metering system by the linear electric motors of magnetic suspension principle.
Of the present inventionly follow brake gear 350, what utilize linear electric motors follows principle, is converted to mechanical grip by air cylinder motion, and by the clamping of track clamp with unclamp track and reach the start-stop of ship model in wave and control.
Visible, seaworthiness test macro of the present invention utilizes the linear electric motors of magnetic suspension principle for mode, measure the resistance of ship model in wave and athletic posture change, the brake gear of following of mechanical-pneumatic principle is utilized to solve ship model start-stop and control, and the distance utilizing linear electric motors to follow principle to control between brake and measurement mechanism.
Its advantage is:
1, utilize the linear electric motors of magnetic suspension principle to control and measurement mechanism as ship model, realize contactless loading and measurement, damping coefficient is ultralow, not limited model motion, and accurate positioning, control and survey precision high;
2, follow brake gear, realize brake and be synchronized with the movement with measurement mechanism, and do not affect the vibration of measuring section, solve movement of ship model in wave excessive, cannot the problem of apply the brakes.
3, brake system is integrated with measuring system, and data acquisition and controlling integration, reduces equipment volume, be convenient to lifting and the use of equipment, realization simultaneously accelerates and braking section provides traction power by brake system, and measuring section provides traction power by measuring system, reduce transducer range, improve test accuracy.
4, equipment has pneumatic machine brake, power down auto-lock function.Cylinder is by solenoid control, and when controller makes electromagnetic valve obtain electric, chuck unclamps ship model, and track clamp unclamps track; When controller makes electromagnetic valve dead electricity, chuck clamping ship model, track clamp grip track.Equipment transient starting traction ability can reach 1.5 tons.
5, be provided with programming control protection in measuring, the interlock protection devices such as electromagnetism position limitation protection and the protection of Anti-knocking mechanical position limitation, can protect this equipment better.Programming control protection is: when in demonstration run process; if occur that linear electric motors movement travel is excessive in test; the scope of certain range is set in program; when exceed move to greatest extent time; controller controls the out of service and electromagnetic valve dead electricity of linear electric motors, makes chuck clamp ship model, track clamp grip track.Electromagnetism position limitation protection is: when in demonstration run process; if occur that movement travel is excessive in test, linear electric motors moves the maximum position exceeded on grating scale, and it is out of service with electromagnetic valve dead electricity that controller controls motor; make brake clamping ship model, track clamp grip track.
6, state of kinematic motion realizes non-contact exact measurement by high precision grating scale.
The above; it is only preferred embodiment of the present invention; not any pro forma restriction is done to the present invention; have in any art and usually know the knowledgeable; if in the protection domain not departing from claim proposed by the invention; utilize the Equivalent embodiments that the local done by disclosed technology contents is changed or modified, and do not depart from technical characteristic content of the present invention, all still belong in the scope of the technology of the present invention feature.
Claims (9)
1. a seaworthiness tester, is characterized in that: comprise a pair column support, is located at the cross beam frame between a pair column support, and is positioned at seaworthiness proving installation on described cross beam frame and follows brake gear;
The first slide, vertically activity that described seaworthiness proving installation comprises on the first linear electric motors be located on cross beam frame, displacement first linear electric motors are located in the first movable post in the first slide and are connected to the measuring head of the first movable post lower end; Described first slide is provided with the lifting displacement pickup of the movable post adjustable height of detection first; Described measuring head comprises the resistive force sensor, pitching sensor and the rolling sensor that are connected to the first movable post lower end in turn; Described first linear electric motors are provided with the first displacement motor sensor;
Describedly follow brake gear comprises the second linear electric motors be located on cross beam frame, the second slide be positioned on the second linear electric motors, vertically activity are located in the second slide the second movable post, drive the lift drive mechanism of the second movable post lifting and connect the chuck of the second movable post lower end; Described second linear electric motors are provided with the second displacement motor sensor, and described second linear electric motors have braking mechanism;
Also include testing and control assembly, described lifting displacement pickup, described resistive force sensor, described pitching sensor, described rolling sensor, described first displacement motor sensor and described second displacement motor sensor are all connected with described testing and control assembly; Described testing and control assembly also connects the electromagnetic valve of the first motor driver of described first linear electric motors, the second motor driver of described second linear electric motors, the electromagnetic valve of described braking mechanism and described chuck.
2. seaworthiness tester according to claim 1, is characterized in that: described lift drive mechanism is formed by being located at the drive motor of the second movable capital end, the screw mandrel being provided with the second movable post side and the nut be fixed on the second slide; Described screw mandrel is located in described nut, and top connects described drive motor.
3. seaworthiness tester according to claim 1, it is characterized in that: described chuck is pneumatic chuck, comprise be connected to the second movable post lower end permanent seat, by air cylinder driven and the movable block be positioned at below permanent seat and a pair clamping plate be positioned at below movable block; Described movable block have a pair symmetry and the guiding perforation of arranging in " Y " type; The front and rear end of described permanent seat is also separately installed with vertical chute, is also separately installed with vertical guide in the front and rear end of movable block, and described vertical guide is positioned at described vertical chute; The back of every block clamping plate connects support by a pair stay bearing plate, a pair stay bearing plate extends upwardly to the left and right end face of described permanent seat, the upper end of described stay bearing plate is connected with guiding slide, the left and right end face of described permanent seat is provided with cross slide way, described guiding slide is arranged on horizontal slide rail, the top position being positioned at clamping plate between a pair stay bearing plate is connected with brake axle, and described brake axle is arranged in the perforation of described guiding.
4. seaworthiness tester according to claim 3, it is characterized in that: described guiding perforation is connected and composed by vertical elongated hole and oblique elongated hole, the lower end of described oblique elongated hole connects the upper end of described vertical elongated hole, and the upper end of described oblique elongated hole is positioned at the oblique upper in the outside of vertical elongated hole.
5. the seaworthiness tester according to claim 3 or 4, it is characterized in that: the left and right side of described second movable post lower end also adds brace panel respectively, described brace panel bottom has a pair right angle incision, and described right angle incision is just in time adaptive with the square apex angle of the inner top side of described stay bearing plate.
6. seaworthiness tester according to claim 1, it is characterized in that: described cross beam frame comprises first crossbeam frame and second cross beam frame, described seaworthiness proving installation is positioned on described first crossbeam frame, described in follow brake gear and be positioned on described second cross beam frame.
7. seaworthiness tester according to claim 6, is characterized in that: the side of described first movable post is provided with vertical grating scale, has the first horizontal raster chi outside described first crossbeam frame, has the second horizontal raster chi outside described second cross beam frame; Described lifting displacement pickup is grating scale read head, described first displacement motor sensor and the second displacement motor sensor are grating scale read head.
8. seaworthiness tester according to claim 6, it is characterized in that: described first movable post and described second movable post side all have vertical guide, described first slide and described second slide all have guide groove, and described vertical guide is engaged in described guide groove.
9. seaworthiness tester according to claim 1, it is characterized in that: described measuring head also includes adapter plate and connecting panel, described resistive force sensor one end connects the lower end of described first movable post, the other end connects described adapter plate, and described pitching sensor and described rolling sensor are connected in turn between described adapter plate and described connecting panel.
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| CN201510287430.0A CN105035262B (en) | 2015-05-29 | 2015-05-29 | Seaworthiness tester |
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| CN201510287430.0A CN105035262B (en) | 2015-05-29 | 2015-05-29 | Seaworthiness tester |
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| CN105035262B CN105035262B (en) | 2017-08-11 |
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| CN105424317A (en) * | 2015-12-14 | 2016-03-23 | 浙江海洋学院 | Ship model test clamping device |
| CN105841918A (en) * | 2016-03-18 | 2016-08-10 | 哈尔滨工业大学（威海） | Self-propelled ship model test device applicable to arbitrary wave direction and application method for the same |
| CN106247120A (en) * | 2015-12-11 | 2016-12-21 | 中国特种飞行器研究所 | A kind of ship hydrodynamics test model clamping device |
| CN109253855A (en) * | 2018-09-29 | 2019-01-22 | 华中科技大学 | A kind of multiple degrees of freedom resistance dynamometer |
| CN109459209A (en) * | 2018-12-27 | 2019-03-12 | 大连理工大学 | A kind of Trailer equipment on experimental tank |
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| CN105424317B (en) * | 2015-12-14 | 2019-11-08 | 浙江海洋学院 | A kind of ship model experiment clamping device |
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| CN109253855B (en) * | 2018-09-29 | 2019-09-06 | 华中科技大学 | A kind of multiple degrees of freedom resistance dynamometer |
| CN109253855A (en) * | 2018-09-29 | 2019-01-22 | 华中科技大学 | A kind of multiple degrees of freedom resistance dynamometer |
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| CN110207950A (en) * | 2019-07-03 | 2019-09-06 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | The towing gear and its test method of a kind of pond ship model in wave |
| CN110631803A (en) * | 2019-10-31 | 2019-12-31 | 上海船舶运输科学研究所 | Wave-direction ship wave-resistant performance tester |
| CN110631803B (en) * | 2019-10-31 | 2022-01-28 | 上海船舶运输科学研究所 | Wave-direction ship wave-resistant performance tester |
| CN110926756A (en) * | 2019-12-04 | 2020-03-27 | 江苏科技大学 | Six-degree-of-freedom water tank flight test instrument suitable for submerged ice breaking research |
| CN110926756B (en) * | 2019-12-04 | 2021-09-24 | 江苏科技大学 | Six-degree-of-freedom water tank flight test instrument suitable for submerged ice breaking research |
| CN116902164A (en) * | 2023-09-14 | 2023-10-20 | 常州市戍海智能技术有限公司 | Unmanned ship navigation stability performance simulation test system |
| CN116902164B (en) * | 2023-09-14 | 2023-11-21 | 常州市戍海智能技术有限公司 | Unmanned ship navigation stability performance simulation test system |
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