CN208833468U - Wave experimental rig is made in a kind of hydraulic drive type push plate under the conditions of hypergravity - Google Patents

Wave experimental rig is made in a kind of hydraulic drive type push plate under the conditions of hypergravity Download PDF

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Publication number
CN208833468U
CN208833468U CN201821640430.XU CN201821640430U CN208833468U CN 208833468 U CN208833468 U CN 208833468U CN 201821640430 U CN201821640430 U CN 201821640430U CN 208833468 U CN208833468 U CN 208833468U
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China
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wave
wave absorption
hydraulic cylinder
model
hydraulic
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CN201821640430.XU
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朱斌
李俊超
孔德琼
任杰
吴雷晔
陈云敏
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Zhejiang University ZJU
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Zhejiang University ZJU
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Abstract

The utility model discloses the hydraulic drive type push plates under the conditions of a kind of hypergravity to make wave experimental rig.It is respectively provided in the model casing left and right side inner wall filled with liquid and makes wave unit and wave absorption unit, made wave hydraulic cylinder and wave absorption hydraulic cylinder is located at model casing left and right side outer wall;It makes the groove formed between wave unit bottom block and wave absorption unit bottom block and is built-in with sea bed model, bury marine structure object model in sea bed model;Two sets of fluid power systems outside model casing distinguish Xiang Zaobo hydraulic cylinder through centrifuge rotary joint and wave absorption hydraulic cylinder provides hydraulic power.High frequency substantially makes wave under the conditions of the utility model is suitable for hypergravity;Wave is made using push-plate type, the power converting system of fluid power system to wave paddle compares servo motor and drives usual Wheel-type power converting system form more simple, reliable;During the test, wave absorption plate is adjustable away from model tank wall distance and its percent opening, can meet the simulation to different operating condition waves, improves wave absorption efficiency.

Description

Wave experimental rig is made in a kind of hydraulic drive type push plate under the conditions of hypergravity
Technical field
The utility model relates to centrifuge model test devices, more particularly, to the hydraulic drive under the conditions of a kind of hypergravity Wave experimental rig is made in dynamic formula push plate.
Background technique
Wave is one of the main environment load for needing to consider in the fields such as ocean engineering and coastal engineering.Make for research wave With the interaction of lower sea bed foundation soil and marine structure object, wave simulator is needed to realize the simulation of wave in test.Closely The development of Centrifugal Simulation Technique of Soil Mechanics makes it possible the rough-water test under the conditions of hypergravity over year, the reduced scale of geotechnical centrifuge Contracting timeliness should be able to restore prototype sea bed stress field, be able to reflect site dimension compared to the rough-water test under normal gravity condition Wave-seabed foundations-marine structure object INTERACTION PROBLEMS.
However, marine structure object will face the bigger depth of water, more as the ocean development of countries in the world is constantly expanded to deep-sea The more harsh Service Environment such as extreme wave.Wave simulator under the conditions of existing hypergravity generally uses servo motor to drive Rocker makes wave, since motor output torque is smaller, is only applicable to the operating condition of lower acceleration and the lower depth of water;Meanwhile it generally adopting Wave absorption is carried out with the wave absorption plate for being mounted and fixed to the model casing other side before centrifuge favourable turn in advance, if test Wave operating condition Variation, due to that can not adjust position and the percent opening of wave absorption plate, causes wave dissipation effect bad.
Utility model content
The purpose of this utility model is to provide the hydraulic drive type push plates under the conditions of a kind of hypergravity to make wave experimental rig, The high frequency that can be realized under high centrifugal acceleration substantially makes wave, to carry out Mechanics of Extreme Wave-marine structure object-soil property seabed foundations phase Study on interaction;Efficient wave absorption is carried out using adjustable wave absorption plate simultaneously, when in test wave operating condition changes, still be able to compared with Reduce to limits interference of the transmitted wave to original wave.
It is as follows that the utility model solves technical solution used by its technical problem:
The utility model includes making wave unit, wave absorption unit, model casing, sea bed model, marine structure object model and two sets Fluid power system;
In the model casing inner left wall filled with liquid equipped with wave unit is made, that makes wave unit makes wave hydraulic cylinder mounted in model casing Left side outer wall;Inner wall is equipped with wave absorption unit on the right side of model casing, and the wave absorption hydraulic cylinder of wave absorption unit is mounted in model casing outer right wall; It makes the groove formed between wave unit bottom block and wave absorption unit bottom block and is built-in with sea bed model, buried in sea bed model Marine structure object model;Xiang Zaobo hydraulic cylinder and wave absorption hydraulic cylinder mention two sets of fluid power systems being mounted on outside model casing respectively For hydraulic power.
It is described to make wave unit, including make wave hydraulic cylinder, make wave hydraulic cylinder piston rod, make wave and connect firmly device, wave paddle, two pieces Wave paddle sliding block, two wave paddle guide rails and make wave unit bottom block;
The wave hydraulic cylinder piston rod of making for making wave hydraulic cylinder protrudes into model casing inner left wall, is connected firmly by making wave and device and makes wave Plate connection, wave paddle bottom front and rear sides are respectively provided with wave paddle sliding block, make wave unit bottom block and be fixed on model casing bottom surface, It makes wave unit bottom block top surface front and rear sides and is respectively provided with wave paddle guide rail, two pieces of wave paddle sliding blocks and two wave paddle guide rails Guideway is respectively constituted, wave paddle can make straight reciprocating motion along respective guideway in the case where making wave hydraulic cylinder piston rod and driving, raw At simulated waves.
The wave absorption unit, including wave absorption hydraulic cylinder, wave absorption hydraulic cylinder multi-level piston bar, wave absorption connect firmly device, wave absorption plate, Wave absorption plate connector, two wave absorption panel guides and wave absorption unit bottom block;
The wave absorption hydraulic cylinder multi-level piston bar of wave absorption hydraulic cylinder protrudes into inner wall on the right side of model casing, and wave absorption connects firmly device and wave absorption The connection of plate connector, wave absorption plate connector lower part are connect with wave absorption plate, and wave absorption plate connector top front and rear sides, which are respectively provided with, to disappear Wave plate sliding block, wave absorption unit bottom block are fixed on model casing bottom surface, and top surface front and rear sides are respectively provided with wave absorption on the right side of model casing Panel guide, two pieces of wave absorption plate sliding blocks and two wave absorption panel guides respectively constitute guideway, and wave absorption plate can be more by wave absorption hydraulic cylinder Grade piston rod, which drives, makees straight reciprocating motion along respective guideway, adjusts wave absorption plate away from model casing tank wall distance, adjusts setting Simulated waves.
Two sets of fluid power system structures are identical, include the first check valve, the first hydraulic station, booster, centrifugation Machine rotary joint, hydraulic cylinder, first filter, the second filter, first flow monitoring meter, second flow monitoring meter, the first pressure Power monitoring meter, second pressure monitoring meter, the first oil return box, the first hydraulic pump, third filter, servo valve, the second oil return box, the Two hydraulic pumps, the 4th filter, the second hydraulic station and second one-way valve;
The outlet of first hydraulic station connects one entrance of centrifuge rotary joint, centrifuge rotation through the first check valve and booster There are two oil circuits in connector outlet: the first oil circuit is through first filter, first flow monitoring meter, first pressure monitoring meter, hydraulic cylinder On servo valve, the second oil return box, the second hydraulic pump, the 4th filter, the second hydraulic station, second one-way valve connect centrifuge rotation Another entrance of connector;Second oil circuit monitors meter, hydraulic cylinder, first through the second filter, second flow monitoring meter, second pressure Oil return box, the first hydraulic pump, third filter connect the first hydraulic station entrance;Hydraulic cylinder in two sets of fluid power systems is respectively Make wave hydraulic cylinder and wave absorption hydraulic cylinder.
The model casing is the cuboid of aluminium alloy, and emissive plastic glazing is provided with before model casing.
Servo motor is fixed in the middle part of wave absorption plate connector, and guilde screw structure is connected with servo motor, and wave absorption plate is by two The grating type aluminium alloy plate composition of block fitting, one piece of grating type aluminium alloy plate top is fixed with wave absorption plate connector lower part, another Block grating type aluminium alloy plate top is fixed in guilde screw structure;Wave absorption hydraulic cylinder multi-level piston bar drives the connection of wave absorption plate Part along be set to model casing at the top of wave absorption panel guide horizontal direction move with adjust wave absorption plate to model casing tank wall distance;By watching Motor driven is taken, drives the grating type aluminium alloy plate position for being fixed on guilde screw structure to shift, so that two pieces of grating types The changing of the relative positions occurs for relative position between aluminium alloy plate, so as to adjust the percent opening of wave absorption plate.
Compared with the background art, the utility model has the beneficial effect that
1) high frequency substantially makes wave under the conditions of the utility model is suitable for hypergravity.
2) wave is made using push-plate type, power-converting system of fluid power system to wave paddle compares servo motor driving institute Usual Wheel-type power converting system form is more simple, and reliability is reinforced.
3) simulation that wave frequency rate and amplitude are adjustable, with satisfaction to different operating condition waves during the test, is made.
4) during the test, wave absorption plate is adjustable away from model tank wall distance and its percent opening, can meet to different works The simulation of condition wave improves wave absorption efficiency.
Detailed description of the invention
Fig. 1 is the structural principle cross-sectional view of the utility model.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is Fig. 1 main view.
Fig. 4 is fluid power system figure.
Fig. 5 is wave absorption unit partial structurtes enlarged drawing.
In figure: 1, it makes wave unit, 1-1, makes wave hydraulic cylinder, 1-2, make wave hydraulic cylinder piston rod, 1-3, make wave and connect firmly device, 1-7,1-4, wave paddle, 1-5, two pieces of wave paddle sliding blocks, 1-6, two wave paddle guide rails make wave unit bottom block, 2, wave absorption Unit, 2-1, wave absorption hydraulic cylinder, 2-2, wave absorption hydraulic cylinder multi-level piston bar, 2-3, wave absorption connect firmly device, 2-4, wave absorption plate, 2-5, Wave absorption plate connector, 2-6, two wave absorption panel guides, 2-7, servo motor, 2-8, guilde screw structure, 2-9, wave absorption unit bottom Portion's block, 3, model casing, 3-1, emissive plastic glazing, 4, sea bed model, 5, marine structure object model, the 6, first check valve, 7, One hydraulic station, 8, booster, 9, centrifuge rotary joint, 10, hydraulic cylinder, 11, first filter, the 12, second filter, 13, First flow monitoring meter, 14, second flow monitoring meter, 15, first pressure monitoring meter, 16, second pressure monitoring meter, 17, first Oil return box, the 18, first hydraulic pump, 19, third filter, 20, servo valve, the 21, second oil return box, the 22, second hydraulic pump, 23, 4th filter, the 24, second hydraulic station, 25, second one-way valve.
Specific embodiment
The utility model is described further with reference to the accompanying drawings and examples.
As shown in Figure 1 and Figure 2, the device of the utility model includes making wave unit 1, wave absorption unit 2, model casing 3, sea bed mould Type 4, marine structure object model 5 and two sets of fluid power systems;It is equipped in 3 inner left wall of model casing filled with liquid and makes wave unit 1, make the left side outer wall of wave unit 1 made wave hydraulic cylinder 1-1 and be mounted in model casing 3;3 right side inner wall of model casing is equipped with wave absorption unit 2, The wave absorption hydraulic cylinder 2-1 of wave absorption unit 2 is mounted in 3 outer right wall of model casing;Make wave unit bottom block 1-7 and wave absorption unit bottom The groove formed between portion block 2-9 is built-in with sea bed model 4, buries marine structure object model 5 in sea bed model 4;It is mounted on Two sets of fluid power systems difference Xiang Zaobo hydraulic cylinder 1-1 and wave absorption hydraulic cylinder 2-1 outside model casing 3 provides hydraulic power.
The liquid used in test is usually the silicone oil with certain viscosity, so that can be simultaneously under the conditions of corresponding hypergravity Meet the likelihood of wave propagation and soil solidifying.Sea bed model is usually sand sea bed or weak soil sea bed, marine structure object mould Type includes offshore wind turbine and oil gas platform etc..
It is described to make wave unit 1, including make wave hydraulic cylinder 1-1, make wave hydraulic cylinder piston rod 1-2, make wave connect firmly device 1-3, Wave paddle 1-4, two pieces of wave paddle sliding block 1-5, two wave paddle guide rail 1-6 and make wave unit bottom block 1-7;Make wave hydraulic cylinder The wave hydraulic cylinder piston rod 1-2 that makes of 1-1 protrudes into 3 inner left wall of model casing, connects firmly device 1-3 and wave paddle 1-4 company by making wave It connects, the bottom wave paddle 1-4 front and rear sides are respectively provided with wave paddle sliding block 1-5, make wave unit bottom block 1-7 and are fixed on model casing 3 bottom surfaces make the wave unit bottom top surface block 1-7 front and rear sides and are respectively provided with wave paddle guide rail 1-6, two pieces of wave paddle sliding block 1-5 Guideway is respectively constituted with two wave paddle guide rail 1-6, wave paddle 1-4 can be along each in the case where making wave hydraulic cylinder piston rod 1-2 and driving Make straight reciprocating motion from guideway, generates simulated waves.
The wave absorption unit 2, including wave absorption hydraulic cylinder 2-1, wave absorption hydraulic cylinder multi-level piston bar 2-2, wave absorption connect firmly device 2-3, wave absorption plate 2-4, wave absorption plate connector 2-5, two wave absorption panel guide 2-6 and wave absorption unit bottom block 2-9;Wave absorption is hydraulic The wave absorption hydraulic cylinder multi-level piston bar 2-2 of cylinder 2-1 protrudes into 3 right side inner wall of model casing, and wave absorption connects firmly device 2-3 and connect with wave absorption plate Part 2-5 connection, the wave absorption plate lower part connector 2-5 are connect with wave absorption plate 2-4, the wave absorption plate top connector 2-5 front and rear sides difference Equipped with wave absorption plate sliding block, wave absorption unit bottom block 2-9 is fixed on 3 bottom surface of model casing, 3 right side top surface front and rear sides of model casing point Not Zhuan You wave absorption panel guide 2-6, two pieces of wave absorption plate sliding blocks and two wave absorption panel guide 2-6 respectively constitute guideway, wave absorption plate 2-4 It can be driven by wave absorption hydraulic cylinder multi-level piston bar 2-2 and make straight reciprocating motion along respective guideway, adjust wave absorption plate 2-4 away from mould 3 tank wall distance of molding box, adjusts the simulated waves of setting.
As shown in figure 4, two sets of fluid power system structures are identical, include the first check valve 6, the first hydraulic station 7, Booster 8, centrifuge rotary joint 9, hydraulic cylinder 10, first filter 11, the second filter 12, first flow monitoring meter 13, Second flow monitoring meter 14, first pressure monitoring meter 15, second pressure monitoring meter the 16, first oil return box 17, the first hydraulic pump 18, Third filter 19, servo valve 20, the second oil return box 21, the second hydraulic pump 22, the 4th filter 23, the second hydraulic station 24 and Two check valves 25;The outlet of first hydraulic station 7 connects 9 one entrances of centrifuge rotary joint through the first check valve 6 and booster 8, from There are two oil circuits in the outlet of scheming rotary joint 9: the first oil circuit is through first filter 11, first flow monitoring meter 13, first pressure Monitoring meter 15, the servo valve 20 on hydraulic cylinder 10, the second oil return box 21, the second hydraulic pump 22, the 4th filter 23, second are hydraulic 24, second one-way valve 25 of standing connects another entrance of centrifuge rotary joint 9;Second oil circuit is through the second filter 12, second flow Monitoring meter 14, second pressure monitoring meter 16, hydraulic cylinder 10, the first oil return box 17, the first hydraulic pump 18, third filter 19 connect the One hydraulic station, 7 entrance;Hydraulic cylinder 10 in two sets of fluid power systems is respectively to make wave hydraulic cylinder 1-1 and wave absorption hydraulic cylinder 2-1.
As shown in figure 3, the model casing 3 is the cuboid of aluminium alloy, emissive plastic glazing 3- is provided with before model casing 3 1。
As shown in figure 5, servo motor 2-7 is fixed in the middle part of wave absorption plate connector 2-5, guilde screw structure 2-8 and servo Motor 2-7 is connected, and the grating type aluminium alloy plate that wave absorption plate 2-4 is bonded by two pieces forms, one piece of grating type aluminium alloy plate top with Wave absorption plate connector 2-5 is fixed lower part, and another piece of grating type aluminium alloy plate top is fixed on guilde screw structure 2-8;Wave absorption Hydraulic cylinder multi-level piston bar 2-2 drives wave absorption plate connector 2-5 along the wave absorption panel guide 2-6 horizontal direction for being set to 3 top of model casing Movement with adjust wave absorption plate 2-4 to 3 tank wall of model casing distance;It is driven by servo motor 2-7, lead screw-spiral shell is fixed in drive The grating type aluminium alloy plate position of parent structure 2-8 shifts, so that relative position occurs between two pieces of grating type aluminium alloy plates The changing of the relative positions, so as to adjust the percent opening of wave absorption plate 2-4.
Working principle of the utility model is:
Centrifuge can generate the super gravity field of n times of terrestrial gravitation acceleration by pivoted arm high speed rotation in Laboratory Module, The stress field that prototype Rock And Soil can be reappeared, using " time-space compression " effect of hypergravity, hypergravity test can reappear Rock And Soil Big Spatio-temporal Evolution and Catastrophe Process, utility model device is mainly used for the simulation of sea bed wave under the conditions of hypergravity.
Model casing 3 is installed on centrifuge, is opened centrifuge and is tested under the conditions of hypergravity.As shown in figure 4, when making When wave starts, main control computer by test needed for wave operating condition issue Hydraulic servo drive device, then open each hydraulic station with Check valve between centrifuge rotary joint opens hydraulic pump and hydraulic oil in oil return box can be returned to provide hydraulic oil source In hydraulic station, oil sources circulation supply is formed.
As illustrated in fig. 1 and 2, under the control of Hydraulic servo drive device, servo valve control makes flow of pressurized in wave hydraulic cylinder 1-1 Amount carries out periodic motion according to the frequency and amplitude of setting so that making wave hydraulic cylinder piston rod 1-2, and makes wave hydraulic cylinder piston rod 1-2 will make wave list by being located in the case where making wave hydraulic cylinder 1-1 and driving by connecting firmly the wave paddle 1-4 that device 1-3 is fixedly connected Wave paddle sliding block 1-5 on first bottom block 1-7 makees straight reciprocating motion along wave paddle guide rail 1-6, drives in model casing Liquid generates simulated waves.On the other hand, under the control of Hydraulic servo drive device, liquid in servo valve control wave absorption hydraulic cylinder 1-1 Flow is pressed, so that wave absorption hydraulic cylinder multi-level piston bar 2-2 drives wave absorption plate connector 2-5 to do level along wave absorption panel guide 2-6 It moves back and forth, so as to adjust wave absorption plate 2-4 to the distance of 3 tank wall of model casing.
As shown in figure 5, the grating type aluminium alloy plate that wave absorption plate 2-4 is bonded by two pieces forms, one piece of grating type aluminium alloy plate Top is fixed with the lower part wave absorption plate connector 2-5, and another piece of grating type aluminium alloy plate top is fixed on guilde screw structure 2-8 On, guilde screw structure 2-8 is driven by being fixed on the servo motor 2-7 in the middle part of wave absorption plate connector 2-5, drive is fixed on The grating type aluminium alloy plate position of guilde screw structure 2-8 shifts, so that opposite position between two pieces of grating type aluminium alloy plates The generation changing of the relative positions is set, so as to adjust the percent opening of wave absorption plate 2-4.Preferably disappeared by adjusting wave absorption Board position and percent opening with reaching Wave effect is made in wave effect, the emissive plastic glazing observation being provided with by model casing front as shown in Figure 3.
The utility model replaces making wave mode under the conditions of the motor-driven hypergravity of traditional servo using fluid power system, It can be achieved under higher centrifuge acceleration value, higher frequency and larger amplitude make wave, to study Mechanics of Extreme Wave-marine structure Object-soil property seabed foundations interaction.Meanwhile making to test medium wave using fluid power system and Serve Motor Control wave absorption plate When unrestrained operating condition changes, the position of wave absorption plate and percent opening can be adjusted accordingly to adapt to different wave absorption demands.

Claims (6)

1. wave experimental rig is made in the hydraulic drive type push plate under the conditions of a kind of hypergravity, it is characterised in that: including making wave unit (1), wave absorption unit (2), model casing (3), sea bed model (4), marine structure object model (5) and two sets of fluid power systems;
In model casing (3) inner left wall filled with liquid equipped with wave unit (1) is made, that makes wave unit (1) makes wave hydraulic cylinder (1-1) Mounted in the left side outer wall of model casing (3);Inner wall is equipped with wave absorption unit (2) on the right side of model casing (3), the wave absorption liquid of wave absorption unit (2) Cylinder pressure (2-1) is mounted in model casing (3) outer right wall;Make wave unit bottom block (1-7) and wave absorption unit bottom block (2-9) Between the groove that is formed be built-in with sea bed model (4), marine structure object model (5) is buried in sea bed model (4);It is mounted on model Two sets of fluid power systems difference Xiang Zaobo hydraulic cylinder (1-1) and wave absorption hydraulic cylinder (2-1) offer hydraulic power of case (3) outside.
2. wave experimental rig, feature are made in the hydraulic drive type push plate under the conditions of a kind of hypergravity according to claim 1 It is: it is described to make wave unit (1), including make wave hydraulic cylinder (1-1), make wave hydraulic cylinder piston rod (1-2), make wave and connect firmly device (1-3), wave paddle (1-4), two pieces of wave paddle sliding blocks (1-5), two wave paddle guide rail (1-6) He Zaobo unit bottom blocks (1-7);
The wave hydraulic cylinder piston rod (1-2) of making for making wave hydraulic cylinder (1-1) protrudes into model casing (3) inner left wall, is connected firmly by making wave Device (1-3) is connect with wave paddle (1-4), and the bottom front and rear sides wave paddle (1-4) are respectively provided with wave paddle sliding block (1-5), is made Wave unit bottom block (1-7) is fixed on model casing (3) bottom surface, makes the top surface front and rear sides wave unit bottom block (1-7) difference Equipped with wave paddle guide rail (1-6), two pieces of wave paddle sliding blocks (1-5) and two wave paddle guide rails (1-6) respectively constitute guideway, make Wave plate (1-4) can make straight reciprocating motion in the case where making wave hydraulic cylinder piston rod (1-2) and driving along respective guideway, generate analog wave Wave.
3. wave experimental rig, feature are made in the hydraulic drive type push plate under the conditions of a kind of hypergravity according to claim 1 Be: the wave absorption unit (2), including wave absorption hydraulic cylinder (2-1), wave absorption hydraulic cylinder multi-level piston bar (2-2), wave absorption connect firmly dress Set (2-3), wave absorption plate (2-4), wave absorption plate connector (2-5), two wave absorption panel guides (2-6) and wave absorption unit bottom block (2-9);
The wave absorption hydraulic cylinder multi-level piston bar (2-2) of wave absorption hydraulic cylinder (2-1) protrudes into inner wall on the right side of model casing (3), and wave absorption connects firmly Device (2-3) is connect with wave absorption plate connector (2-5), and the wave absorption plate connector lower part (2-5) is connect with wave absorption plate (2-4), wave absorption The top front and rear sides plate connector (2-5) are respectively provided with wave absorption plate sliding block, and wave absorption unit bottom block (2-9) is fixed on model casing (3) bottom surface, top surface front and rear sides are respectively provided with wave absorption panel guide (2-6) on the right side of model casing (3), two pieces of wave absorption plate sliding blocks and two Wave absorption panel guide (2-6) respectively constitutes guideway, and wave absorption plate (2-4) can be driven by wave absorption hydraulic cylinder multi-level piston bar (2-2) Make straight reciprocating motion along respective guideway, adjusts wave absorption plate (2-4) away from model casing (3) tank wall distance, adjust the simulation of setting Wave.
4. wave experimental rig, feature are made in the hydraulic drive type push plate under the conditions of a kind of hypergravity according to claim 1 Be: two sets of fluid power system structures are identical, include the first check valve (6), the first hydraulic station (7), booster (8), centrifuge rotary joint (9), hydraulic cylinder (10), first filter (11), the second filter (12), first flow monitoring meter (13), second flow monitoring meter (14), first pressure monitoring meter (15), second pressure monitoring meter (16), the first oil return box (17), First hydraulic pump (18), third filter (19), servo valve (20), the second oil return box (21), the second hydraulic pump (22), the 4th mistake Filter (23), the second hydraulic station (24) and second one-way valve (25);
First hydraulic station (7) outlet connects (9) entrances of centrifuge rotary joint through the first check valve (6) and booster (8), from There are two articles of oil circuits in scheming rotary joint (9) outlet: the first oil circuit is through first filter (11), first flow monitoring meter (13), the Servo valve (20), the second oil return box (21), the second hydraulic pump (22), the 4th on one pressure monitoring meter (15), hydraulic cylinder (10) Filter (23), the second hydraulic station (24), second one-way valve (25) connect centrifuge rotary joint (9) another entrance;Second oil The second filter of road (12), second flow monitoring meter (14), second pressure monitoring meter (16), hydraulic cylinder (10), the first oil return Case (17), the first hydraulic pump (18), third filter (19) connect the first hydraulic station (7) entrance;In two sets of fluid power systems Hydraulic cylinder (10) is respectively to make wave hydraulic cylinder (1-1) and wave absorption hydraulic cylinder (2-1).
5. wave experimental rig, feature are made in the hydraulic drive type push plate under the conditions of a kind of hypergravity according to claim 1 Be: the model casing (3) is the cuboid of aluminium alloy, and emissive plastic glazing (3-1) is provided with before model casing (3).
6. wave experimental rig, feature are made in the hydraulic drive type push plate under the conditions of a kind of hypergravity according to claim 3 Be: servo motor (2-7) is fixed in the middle part of wave absorption plate connector (2-5), guilde screw structure (2-8) and servo motor (2- 7) it is connected, the grating type aluminium alloy plate that wave absorption plate (2-4) is bonded by two pieces forms, one piece of grating type aluminium alloy plate top and wave absorption The lower part plate connector (2-5) is fixed, and another piece of grating type aluminium alloy plate top is fixed on guilde screw structure (2-8);Wave absorption Hydraulic cylinder multi-level piston bar (2-2) drives wave absorption plate connector (2-5) along the wave absorption panel guide (2- being set at the top of model casing (3) 6) horizontal direction movement is to adjust the distance that wave absorption plate (2-4) arrives model casing (3) tank wall;It is driven, is driven by servo motor (2-7) The grating type aluminium alloy plate position for being fixed on guilde screw structure (2-8) shifts so that two pieces of grating type aluminium alloy plates it Between relative position occur the changing of the relative positions, so as to adjust the percent opening of wave absorption plate (2-4).
CN201821640430.XU 2018-10-10 2018-10-10 Wave experimental rig is made in a kind of hydraulic drive type push plate under the conditions of hypergravity Withdrawn - After Issue CN208833468U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020074012A1 (en) * 2018-10-10 2020-04-16 浙江大学 Wave generation testing apparatus using hydraulically driven push plate under hypergravity conditions
CN113933020A (en) * 2021-09-03 2022-01-14 河海大学 Improved piston type wave generator

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020074012A1 (en) * 2018-10-10 2020-04-16 浙江大学 Wave generation testing apparatus using hydraulically driven push plate under hypergravity conditions
CN113933020A (en) * 2021-09-03 2022-01-14 河海大学 Improved piston type wave generator
CN113933020B (en) * 2021-09-03 2022-11-08 河海大学 Improved piston type wave generator

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Granted publication date: 20190507

Effective date of abandoning: 20230912