CN109827748A - A kind of wave maker in geotechnical centrifuge - Google Patents
A kind of wave maker in geotechnical centrifuge Download PDFInfo
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- CN109827748A CN109827748A CN201910193529.2A CN201910193529A CN109827748A CN 109827748 A CN109827748 A CN 109827748A CN 201910193529 A CN201910193529 A CN 201910193529A CN 109827748 A CN109827748 A CN 109827748A
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- wave
- side wall
- hydraulic actuator
- geotechnical centrifuge
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Abstract
The invention discloses the wave makers in a kind of geotechnical centrifuge, including control system and make wave case, the wave case of making is equipped with bottom plate, front side wall, rear wall, left side wall and right side wall, hydraulic actuator is vertically installed on the front side wall for making wave case, leading truck and wave paddle are connected on the telescopic rod of the hydraulic actuator, the leading truck is supported by the left side wall for making wave case and right side wall.The present invention ensure that the output of hydraulic actuator is stablized, it is in the right direction that leading truck can guarantee that hydraulic actuator is moved when geotechnical centrifuge is run by using the structure for connecting leading truck on the telescopic rod of hydraulic actuator.It is convenient to realize the function change that wave is made in push plate and rocker makes wave by part replacement.The present invention can be avoided influence of the high centrifugal field of geotechnical centrifuge generation to wave maker by mechanics innovation, and structure is simple, easy to operate, is suitble to apply in the strong centrifugal force field that geotechnical centrifuge generates, has excellent working performance and ease of use.
Description
Technical field
The present invention relates to a kind of wave maker, in particular to a kind of wave maker that can be used in geotechnical centrifuge.
Background technique
Geotechnical centrifuge is a kind of testing equipment for geotechnical engineering physical simulation experiment.Its basic principle be by from
The rotation of scheming pivoted arm generates centrifugal acceleration, provides an artificial high gravitational field, by study subject according to centainly than ruler foundation
Model, by centrifugal acceleration increase the soil body weight stress prototype and model are reached ess-strain is equal, deformation is similar,
Simulation test is carried out to prototype.Based on the above advantage, realize that multi- scenarios method has the development of geotechnical engineering in geotechnical centrifuge
There is important meaning.In the geotechnical study of ocean, soil and structure both it be related to, and had further related to the effect of wave force.How
Realize that the simulation of true wave is the probing direction in the geotechnical engineering of ocean in the high centrifugal field that geotechnical centrifuge generates.Centrifuge
In existing wave simulation device majority wave force is simulated using force loading device, but can not simulated flow to works and
It the disturbance of ground and washes away, there is very big application limitation.True wave is simulated in geotechnical centrifuge, mechanical structure exists
Operating condition in high centrifugal field is severe, and realizes that wave simulation is difficult.Therefore need to propose new structure type to meet height
The technical requirements of centrifugal field Wave simulation.
Summary of the invention
The present invention is to solve technical problem present in well-known technique and provide and a kind of can be used for making in geotechnical centrifuge
Wave machine, influence of the high centrifugal field to equipment which can overcome geotechnical centrifuge to generate simultaneously produce true wave, can
Meet the requirement of wave simulation under geotechnical centrifuge environment.
The technical scheme adopted by the present invention to solve the technical problems existing in the known art is that a kind of geotechnical centrifuge
In wave maker, including control system and make wave case, the wave case of making is equipped with bottom plate, front side wall, rear wall, left side wall and right side
Wall is vertically installed with hydraulic actuator on the front side wall for making wave case, connects on the telescopic rod of the hydraulic actuator
There are leading truck and wave paddle, the leading truck is supported by the left side wall for making wave case and right side wall.
Two directive slide tracks are equipped at left and right sides of the leading truck, in the left side wall and right side wall for making wave case
It is equipped with the guide support structure being adapted to the corresponding directive slide track.
The guide support structure be equipped with upper and lower two rows limition orientation idler wheel, every row limition orientation idler wheel at least there are two,
The upper surface of uplink limition orientation idler wheel and the directive slide track, which rolls, to be connected, downlink limition orientation idler wheel and the directive slide track
Lower surface roll connection.
The control system is stretched out by hydraulic actuator described in servo valve control or retraction.
Displacement sensor is equipped on the leading truck, institute's displacement sensors are by the motor message of the hydraulic actuator
Feed back to the control system.
The wave paddle is push plate, and the push plate is fixed on the leading truck, and the leading truck is fixed in described hydraulic
On the telescopic rod of actuator, the push plate is vertical with the telescopic rod of the hydraulic actuator；In the bottom and left and right of the push plate
Side is equipped with shifting roller, is equipped with support platform in the lower section of the push plate, and the support platform, which is fixed on, described makes wave case
Bottom plate on, the shifting roller of push plate bottom rolls on the upper surface of the support platform, and the shifting roller of push plate side exists
It is rolled on lateral support plate, is connected with the lateral support plate on the left side wall and right side wall for making wave case.
The wave paddle is rocker, and the lower end of the rocker is hinged on rocker support, and the rocker support is fixed on institute
It states on the bottom plate for making wave case,
It is connected with link block on the front end face of the rocker, is equipped with rocking bar in the two sides of the link block, it is described to shake
The front end of bar and the telescopic rod of the hydraulic actuator are hinged, and the rear end of the rocking bar and the link block are hinged.
Observation window is equipped on the left side wall and right side wall for making wave case.
The advantages and positive effects of the present invention are: ensure that wave maker exists by using hydraulic servocontrol mode
It is enough and accurate to contribute under the high centrifugal field of geotechnical centrifuge；Using the knot for connecting leading truck on the telescopic rod of hydraulic actuator
Structure ensure that the output of hydraulic actuator is stablized, and leading truck can guarantee hydraulic actuator movement side when geotechnical centrifuge is run
To correct.By the way that support platform is arranged in push plate lower part, rocker support is set in rocker lower part, is made with the horizontally-guided of leading truck
With combining, the influence of high centrifugal field is resisted；It is convenient to realize that wave is made in push plate and rocker makes the function of wave by part replacement
Change.The present invention can be avoided influence of the high centrifugal field of geotechnical centrifuge generation to wave maker, produced true by mechanics innovation
Real wave, and structure is simple, it is easy to operate, it is suitble to apply in the strong centrifugal force field that geotechnical centrifuge generates, has excellent
Working performance and ease of use.
Detailed description of the invention
Fig. 1 is the main view of the embodiment of the present invention 2；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the guide frame schematic diagram of the embodiment of the present invention 1；
Fig. 4 is the schematic diagram of internal structure of the embodiment of the present invention 1；
Fig. 5 is leading truck schematic diagram of the present invention；
Fig. 6 is push plate schematic diagram of the present invention；
Fig. 7 is the schematic diagram of internal structure of the embodiment of the present invention 2.
In figure: 1, displacement sensor, 2, hydraulic actuator, 3, limition orientation idler wheel, 4, front side wall, 5, left side wall, 6, after
Side wall, 7, bottom plate, 8, lateral support plate, 9, right side wall, 10, guide fixed block, 11, leading truck, 11-1, directive slide track；12, it pushes away
Plate, 12-1, shifting roller；13, connecting plate, 14, support platform, 15, link block, 16, rocking bar, 17, rocker, 18, rocker support.
Specific embodiment
In order to further understand the content, features and effects of the present invention, the following examples are hereby given, and cooperate attached drawing
Detailed description are as follows:
Please refer to FIG. 1 to FIG. 7, the wave maker in a kind of geotechnical centrifuge, in order to overcome that geotechnical centrifuge generates it is high from
Influence of the psychological field to equipment meets the requirement of wave simulation under geotechnical centrifuge environment, and inventive concept of the invention is: using tool
There is the hydraulic actuator driving wave paddle stablized and exported to make wave, in order to stablize the output of hydraulic actuator, not by high centrifugal field
Influence, the telescopic end of hydraulic actuator is supported on using leading truck and is made on wave case.Solution of the present invention are as follows:
Wave maker in a kind of geotechnical centrifuge, including control system and make wave case, it is described make wave case equipped with bottom plate 7, front side wall 4, after
Side wall 6, left side wall 5 and right side wall 9 are vertically installed with hydraulic actuator 2 on the front side wall 4 for making wave case, in the liquid
It presses and is connected with leading truck 11 and wave paddle on the telescopic rod of actuator 2, the leading truck 11 is by 5 He of left side wall for making wave case
Right side wall 9 supports.
In the present invention, it is equipped with directive slide track 11-1 in the left and right sides of the leading truck 11, in the wave case of making
Left side wall 5 and right side wall 9 are equipped with the guide support structure being adapted to the corresponding directive slide track 11-1.More specifically, described
Guide support structure be equipped with upper and lower two rows limition orientation idler wheel 3, every row limition orientation idler wheel 3 at least there are two, uplink limit lead
The upper surface of way roller 3 and the corresponding directive slide track 11-1, which roll, to be connected, downlink limition orientation idler wheel 3 with it is corresponding described
The lower surface of directive slide track 11-1 rolls connection.Using rolling friction structure, resistance is small.In the present invention, limition orientation idler wheel 3
It is mounted on guide fixed block 10, the guide fixed block 10 is symmetrically fixed on the left side wall 5 and right side wall 9 for making wave case, is led
Structural strengthening is used for fixed block 10.Above-mentioned guiding and its support construction can also use linear guide rail structure.
In the present invention, the control system is stretched out or is bounced back by hydraulic actuator 2 described in servo valve control.Described
Displacement sensor 1 is connected on leading truck 11, institute's displacement sensors 1 give the motion signal feedback of the hydraulic actuator 2
The control system.Control system sends a signal to servo valve, and servo valve drives hydraulic actuator movement, hydraulic actuator and position
Displacement sensor is connect with leading truck, guarantees that movement is consistent, and displacement sensor extremely controls hydraulic actuator motion signal feedback
System constitutes closed-loop control system.Observation window is equipped on the left side wall 5 and right side wall 9 for making wave case, it is convenient to make
Wave machine is illuminated and is taken pictures when working.
Using the method for above-mentioned wave maker simulated waves when geotechnical centrifuge is run are as follows: wave case will be made and be fixed on centrifuge
In hanging basket, specified altitude assignment is added water in wave case making, and operates centrifuge to specified acceleration value, control system, which is sent a signal to, to be watched
Valve is taken, servo valve control hydraulic actuator is moved forward and backward, and displacement sensor is by the motion signal feedback of hydraulic actuator to control
System, hydraulic actuator drive wave paddle movement, and wave paddle pushes the water made in wave case, to generate wave.
Application example 1:
Fig. 4 and Fig. 6 are referred to, above-mentioned wave paddle is push plate 12, and the push plate 12 is fixed on the leading truck 11, described
Leading truck 11 is fixed on the telescopic rod of the hydraulic actuator 2, and the two is connected by connecting plate 13.The push plate 12 with it is described
The telescopic rod of hydraulic actuator 2 is vertical；It is equipped with shifting roller 12-1 in the bottom of the push plate 12 and left and right side, described
The lower section of push plate 12 is equipped with support platform 14, the support platform 14 be fixed on it is described make on the bottom plate 7 of wave case, push plate bottom
Shifting roller rolls on the upper surface of the support platform 14, and the shifting roller of push plate side rolls on lateral support plate 8,
The lateral support plate 8 is connected on the left side wall 5 and right side wall 9 for making wave case.It, can using rolling friction structure
Enhance the guide effect of leading truck 11, and resistance is smaller.
Application example 2:
Fig. 7 is referred to, the wave paddle is rocker 17, and the lower end of the rocker 17 is hinged on rocker support 18, described
Rocker support 18 is made on the bottom plate 7 of wave case described in being fixed on, and link block 15 is connected on the front end face of the rocker 17, in institute
The two sides for stating link block 15 are equipped with rocking bar 16, and the front end of the rocking bar 16 and connecting plate 13 are hinged, so with the hydraulic work
The telescopic rod of dynamic device 2 is hinged, and the rear end of the rocking bar 16 and the link block 15 are hinged.
It is convenient to realize the function change that wave is made in push plate and rocker makes wave by part replacement.
Although the preferred embodiment of the present invention is described above in conjunction with attached drawing, the invention is not limited to upper
The specific embodiment stated, the above mentioned embodiment is only schematical, be not it is restrictive, this field it is common
Technical staff under the inspiration of the present invention, in the case where not departing from present inventive concept and scope of the claimed protection, goes back
Many forms can be made, within these are all belonged to the scope of protection of the present invention.
Claims (8)
1. the wave maker in a kind of geotechnical centrifuge, including control system are equipped with bottom plate, front side with wave case, the wave case of making is made
Wall, rear wall, left side wall and right side wall, which is characterized in that be vertically installed with hydraulic actuation on the front side wall for making wave case
Device is connected with leading truck and wave paddle on the telescopic rod of the hydraulic actuator, and the leading truck is by the left side for making wave case
Side wall and right side wall support.
2. the wave maker in geotechnical centrifuge according to claim 1, which is characterized in that in the left and right of the leading truck two
Side is equipped with two directive slide tracks, is equipped on the left side wall and right side wall for making wave case and is adapted to the corresponding directive slide track
Guide support structure.
3. the wave maker in geotechnical centrifuge according to claim 2, which is characterized in that the guide support structure is equipped with
Upper and lower two rows limition orientation idler wheel, every row limition orientation idler wheel at least there are two, uplink limition orientation idler wheel and the guiding cunning
The upper surface of rail rolls connection, and the lower surface rolling of downlink limition orientation idler wheel and the directive slide track connects.
4. the wave maker in geotechnical centrifuge according to claim 1, which is characterized in that the control system passes through servo
Valve controls the hydraulic actuator and stretches out or bounce back.
5. the wave maker in geotechnical centrifuge according to claim 1, which is characterized in that be equipped with position on the leading truck
Displacement sensor, institute's displacement sensors give the motion signal feedback of the hydraulic actuator to the control system.
6. the wave maker in geotechnical centrifuge according to claim 1, which is characterized in that the wave paddle is push plate, institute
Push plate is stated to be fixed on the leading truck, the leading truck is fixed on the telescopic rod of the hydraulic actuator, the push plate with
The telescopic rod of the hydraulic actuator is vertical；It is equipped with shifting roller in the bottom of the push plate and left and right side, is pushed away described
The lower section of plate is equipped with support platform, the support platform be fixed on it is described make on the bottom plate of wave case, the shifting roller of push plate bottom
It is rolled on the upper surface of the support platform, the shifting roller of push plate side rolls on lateral support plate, makes wave described
The lateral support plate is connected on the left side wall and right side wall of case.
7. the wave maker in geotechnical centrifuge according to claim 1, which is characterized in that the wave paddle is rocker, institute
The lower end for stating rocker is hinged on rocker support, the rocker support be fixed on it is described make on the bottom plate of wave case,
It is connected with link block on the front end face of the rocker, is equipped with rocking bar in the two sides of the link block, the rocking bar
Front end and the telescopic rod of the hydraulic actuator are hinged, and the rear end of the rocking bar and the link block are hinged.
8. the wave maker in geotechnical centrifuge according to claim 1, which is characterized in that in the left side wall for making wave case
With observation window is equipped on right side wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910193529.2A CN109827748A (en) | 2019-03-14 | 2019-03-14 | A kind of wave maker in geotechnical centrifuge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910193529.2A CN109827748A (en) | 2019-03-14 | 2019-03-14 | A kind of wave maker in geotechnical centrifuge |
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| CN109827748A true CN109827748A (en) | 2019-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910193529.2A Pending CN109827748A (en) | 2019-03-14 | 2019-03-14 | A kind of wave maker in geotechnical centrifuge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117054043A (en) * | 2023-10-11 | 2023-11-14 | 国家海洋技术中心 | Test device for offshore floating photovoltaic power generation system |
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| CN2629020Y (en) * | 2003-06-24 | 2004-07-28 | 中国科学院力学研究所 | Apparatus for simulating sea wave with drum type centrifugal machine |
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| CN106989900A (en) * | 2017-05-03 | 2017-07-28 | 天津理工大学 | A kind of basin use can be embedded in the multidirectional wave maker push wave plate of wave-height sensing device |
| CN106989899A (en) * | 2017-05-03 | 2017-07-28 | 天津理工大学 | A kind of portable basin wave maker |
| CN207585882U (en) * | 2017-10-20 | 2018-07-06 | 交通运输部天津水运工程科学研究所 | L-type wave maker and wave paddle unit |
| CN207923413U (en) * | 2018-02-09 | 2018-09-28 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of wave force simulating device in arm-type geotechnical centrifuge |
| CN109141819A (en) * | 2018-09-26 | 2019-01-04 | 中国工程物理研究院总体工程研究所 | Wave simulation generating device under super gravity field |
| CN109186937A (en) * | 2018-10-10 | 2019-01-11 | 浙江大学 | Wave experimental rig is made in hydraulic drive type push plate under the conditions of hypergravity |
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2019
- 2019-03-14 CN CN201910193529.2A patent/CN109827748A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2629020Y (en) * | 2003-06-24 | 2004-07-28 | 中国科学院力学研究所 | Apparatus for simulating sea wave with drum type centrifugal machine |
| CN104060572A (en) * | 2014-07-07 | 2014-09-24 | 水利部交通运输部国家能源局南京水利科学研究院 | Flap type wave generator system in high-gravity field |
| CN106989900A (en) * | 2017-05-03 | 2017-07-28 | 天津理工大学 | A kind of basin use can be embedded in the multidirectional wave maker push wave plate of wave-height sensing device |
| CN106989899A (en) * | 2017-05-03 | 2017-07-28 | 天津理工大学 | A kind of portable basin wave maker |
| CN207585882U (en) * | 2017-10-20 | 2018-07-06 | 交通运输部天津水运工程科学研究所 | L-type wave maker and wave paddle unit |
| CN207923413U (en) * | 2018-02-09 | 2018-09-28 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of wave force simulating device in arm-type geotechnical centrifuge |
| CN109141819A (en) * | 2018-09-26 | 2019-01-04 | 中国工程物理研究院总体工程研究所 | Wave simulation generating device under super gravity field |
| CN109186937A (en) * | 2018-10-10 | 2019-01-11 | 浙江大学 | Wave experimental rig is made in hydraulic drive type push plate under the conditions of hypergravity |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117054043A (en) * | 2023-10-11 | 2023-11-14 | 国家海洋技术中心 | Test device for offshore floating photovoltaic power generation system |
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