CN103233484A - Circulating water supply system for centrifugal model testing and usage method thereof - Google Patents
Circulating water supply system for centrifugal model testing and usage method thereof Download PDFInfo
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- CN103233484A CN103233484A CN2013101325947A CN201310132594A CN103233484A CN 103233484 A CN103233484 A CN 103233484A CN 2013101325947 A CN2013101325947 A CN 2013101325947A CN 201310132594 A CN201310132594 A CN 201310132594A CN 103233484 A CN103233484 A CN 103233484A
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Abstract
The invention relates to a usage method of a circulating water supply system for centrifugal model testing. The method comprises the following steps: connecting a submersible pump to the base plate of a support frame fixedly; passing the power cable of the submersible pump through a line pipe; connecting the water outlet of the submersible pump with a water inlet pipe; connecting a model table to the support frame fixedly; mounting an isolation net on the support frame; placing a centrifugal model rack with the submersible pump mounted into a model box; adding water into the model box; testing the submersible pump; taking the centrifugal model rack out of the model box after the test is over and then placing the centrifugal model rack on a dam body mounting working table to fabricate a soil engineering centrifugal model; placing and fixing the centrifugal model rack into the model box in a suspension mode; placing and fixing the model box into a centrifugal basket in a suspension mode; and connecting the power cable with an external power source. According to the usage method of the circulating water supply system for the centrifugal model testing, the centrifugal model testing can be achieved with no need of supplying water outside a centrifugal machine. The invention also relates to a circulating water supply system special for the method.
Description
Technical field
The present invention relates to a kind of water system and using method thereof that is applied to geotechnical centrifugal model test.
Background technology
Earth and rockfill dam accounts for has built more than 90% of dam sum both at home and abroad, the dam break mechanism of earth and rockfill dam and risk study on regulation always are subjected to the generally attention of Ba Gongjie, China is the maximum country of earth and rockfill dam quantity in the world, in recent years, for adapting to the needs of national able to resisting flood and drought and hydroelectric development, large-scale earth and rockfill dam is also in continuous construction.Earth and rockfill dam dam break process is extremely complicated, and head fall is big when bursting, and is difficult in time repair stifled, and in a single day earth and rockfill dam bursts, and can downstream resident's the security of the lives and property be constituted a serious threat.That is that all right is ripe for the theory of computation of current earth and rockfill dam dam break problem, and the foundation of correlation theory research and model needs a large amount of full and accurate experimental datas to be verified.Centrifugal model test can guarantee that by centrifugal force field simulated gravity field the stress state of prototype and model is consistent, is a kind of cost-effective means that research earth and rockfill dam dam break isolith geotechnique journey is destroyed problem.It is a technical barrier that but the current in the centrifugal model test are supplied with problem always.Cambridge University and University of Manchester once built up the centrifugal model test water flow control system with compressed air-driven in succession, though this two cover systems performance is relatively stable, and complex structure, bulky, development cost is higher; Hong Kong University of Science and Thchnology has developed a cover water flow control system (referring to Limin Zhang﹠amp on thermoelectric coupling effect basis; Ting Hu.Development of a water control facility for centrifugal model Tests.Centrifuge91.1991.527-530.), this system regulates by electric current, and maximum can provide the flow of 25l/min.The above-mentioned imbalance that can cause counterweight in the centrifuge operation process by external water source to the water supply of centrifuge model casing.Continue if desired to supply water, the then unnecessary water yield directly is discharged to Centrifuge Room, and excessive air humidity can influence the application life of centrifuge.Simultaneously, common external water source is difficult to provide enough big flow.
Summary of the invention
The invention provides a kind of circulating water supply system for centrifugal model test and using method thereof, this system can reduce or avoid problem noted earlier.
For addressing the above problem, the present invention proposes a kind of circulating water supply system using method for centrifugal model test, wherein, described circulating water supply system comprises a centrifugal model stand, and described centrifugal model stand comprises a model table and the carriage of fixedlying connected with described model table; Described model table is rectangular box, is provided with a division board in described model table, is the boundary with described division board, and described model table one side is mold portion, and opposite side is the storage part, and described storage part is provided with a spool and a water inlet pipe; Described carriage is fixedly connected on described model table below, described carriage comprises a rectangular base plate, described base plate is respectively arranged with a root post for four jiaos, is provided with mounting rail between adjacent described column top, is provided with dismountable separation net between adjacent described column; Described carriage is fixedly connected with a submersible pump; Described circulating water supply system also comprises a model casing that is used for holding water body and places described centrifugal model stand;
Described method comprises the steps:
Steps A, described submersible pump is fixedly connected on the described rectangular base plate of described carriage, described model table is hung above described carriage, the power cable of described submersible pump is passed described spool, the delivery port of described submersible pump is connected with described water inlet pipe, then described model table is fixedlyed connected with described carriage, afterwards, load onto described separation net at described carriage;
Step B, the described centrifugal model stand that installs described submersible pump is placed in the described model casing, the power cable of described submersible pump is connected with external power source, in described model casing, add water, after flooding described submersible pump, the water surface stops to add water, test described submersible pump, the power supply that cuts off described submersible pump behind the EOT connects, and described centrifugal model stand is taken out from described model casing;
Step C is placed into described centrifugal model stand on the dam body installation work platform, makes geotechnological centrifugal model in the described mold portion of described centrifugal model stand;
Step D hangs described centrifugal model stand into described model casing and fixes, and described model casing is hung into centrifugal basket and fixing, and the power cable of described submersible pump is connected with external power source.
Preferably, in above-mentioned using method, described division board is provided with the containing mark line, in step B, when testing described submersible pump, records that the water surface arrives the time of different graduation marks in the described storage part, thereby extrapolates the flow of inlet water of described storage part.
Preferably, among the step D of place, after centrifugal test begins, can start described submersible pump, described submersible pump pumps to described storage part with water by described water inlet pipe, the water of described storage part can overflow into described mold portion by described division board after holding and expiring, and the water that overflows into described mold portion is back to described model casing behind erosion geotechnique model, thereby has realized periodical feeding.
A kind of circulating water supply system that is exclusively used in above-mentioned method, described circulating water supply system comprise, a centrifugal model stand, described centrifugal model stand comprise that one is used for placing the model table of geotechnological model and the carriage of fixedlying connected with described model table;
Described model table is that empty rectangular box is put in end face and a side, in described model table, be provided with a division board, be the boundary with described division board, an empty side is put for being used for placing the mold portion of described geotechnological model in described model table side, opposite side is provided with spool and a water inlet pipe that is used for the threading cable for being used for the storage part of retaining in the described storage part;
Described carriage is fixedly connected on described model table below, described carriage comprises a rectangular base plate, described base plate is respectively arranged with a root post for four jiaos, is provided with mounting rail between adjacent described column top, is provided with dismountable separation net between adjacent described column;
A submersible pump is fixedly arranged on the described base plate of described carriage, and the delivery port of described submersible pump is connected with the described water inlet pipe of described storage part;
Described circulating water supply system further comprises a model casing that is used for holding water body, and described centrifugal model stand is arranged in the described model casing.
Preferably, described water inlet pipe is provided with a pressure and takes into account a control valve, and described water inlet pipe further is connected with a power consumption pipe, and described power consumption pipe has a plurality of kinks.
Preferably, described power consumption pipe is provided with at least one reducer, has a plurality of decelerating rings that be arranged in parallel in the described reducer, and described decelerating ring has a plurality of fan-shaped fins that are spacedly distributed.
Preferably, have 3～10 decelerating rings that be arranged in parallel in the described reducer, described decelerating ring has 3～5 fan-shaped fins that are spacedly distributed, and evenly staggers mutually in the fan-shaped fin position on the adjacent described decelerating ring.
A kind of circulating water supply system and using method thereof for centrifugal model test provided by the present invention, do not need to supply water from the centrifuge outside, simplified the structural requirement to centrifuge, simultaneously, by devices such as power consumption pipe, deceleration tube are set, make that the periodical feeding in the model casing can velocity-stabilization, thereby satisfy the requirement of geotechnological centrifugal test.
Description of drawings
The following drawings only is intended to the present invention done and schematically illustrates and explain, not delimit the scope of the invention.Wherein,
Fig. 1 is the structural representation according to a kind of circulating water supply system for centrifugal model test of a specific embodiment of the present invention;
Fig. 2 is the decomposition texture schematic diagram of a kind of circulating water supply system for centrifugal model test shown in Figure 1;
Fig. 3 is the plan structure schematic diagram of model table shown in Figure 2;
Fig. 4 is the structural representation of power consumption pipe shown in Figure 2;
Fig. 5 is the generalized section of reducer shown in Figure 4;
What Fig. 6 a～6c showed respectively is the generalized section of doing along I-I, II-II, III-III line among Fig. 5.
The specific embodiment
Understand for technical characterictic of the present invention, purpose and effect being had more clearly, now contrast description of drawings the specific embodiment of the present invention.Wherein, identical parts adopt identical label.
Describe in detail with reference to the accompanying drawings according to of the present invention a kind of for the circulating water supply system of centrifugal model test and structure and the principle thereof of using method thereof.
Fig. 1 is the structural representation according to a kind of circulating water supply system for centrifugal model test of a specific embodiment of the present invention; Fig. 2 is the decomposition texture schematic diagram of a kind of circulating water supply system for centrifugal model test shown in Figure 1; Fig. 3 is the plan structure schematic diagram of model table shown in Figure 2; Shown in Fig. 1-3, the present invention proposes a kind of circulating water supply system using method for centrifugal model test, wherein, described circulating water supply system comprises a centrifugal model stand 3, and described centrifugal model stand 3 comprises a model table 31 and the carriage 32 of fixedlying connected with described model table 31; Described model table 31 is rectangular box, being provided with a division board 311 in described model table, is the boundary with described division board 311, and described model table 31 1 sides are mold portion 312, opposite side is storage part 313, and described storage part 313 is provided with a spool 3131 and a water inlet pipe 3132; Described carriage 32 is fixedly connected on described model table 31 belows, described carriage 32 comprises a rectangular base plate 321, described base plate is respectively arranged with a root post 322 for 321 4 jiaos, between adjacent described column 322 tops, be provided with mounting rail 323, between adjacent described column 322, be provided with dismountable separation net 324; Described carriage 32 is fixedly connected with a submersible pump 33; Described circulating water supply system further comprises a model casing 2 that is used for holding water body and places described centrifugal model stand 3;
Described method comprises the steps:
Steps A, described submersible pump 33 is fixedly connected on the described rectangular base plate 321 of described carriage 32, described model table 31 is hung above described carriage 32, the power cable of described submersible pump 33 is passed described spool 3131, the delivery port of described submersible pump 33 is connected with described water inlet pipe 3132, then described model table 31 is fixedlyed connected with described carriage 32, afterwards, load onto separation net 324 at described carriage 32;
Described separation net 324 is in the end installed, and can effectively avoid in the operating process when the described submersible pump 33 of installation is fixedlyed connected with described carriage 32 described separation net 324 being caused accidental damage to described rectangular base plate 321 and with described model table 31.Described model table 31 bottom surfaces can arrange the corresponding installation auricle (for example L type auricle) in described mounting rail 323 positions of a plurality of and described carriage 32 and be used for described model table 31 and fixedly connected with described carriage 32, like this can be so that mount.
The height of described spool 3131 can be higher than the height of described division board 311, so just can avoid the water in the described storage part 313 to spill from described spool 3131.
Step B, the described centrifugal model stand 3 that installs described submersible pump 33 is placed in the described model casing 2, the power cable of described submersible pump 33 is connected with external power source, in described model casing 2, add water, after flooding described submersible pump 33, the water surface stops to add water, test described submersible pump 33, the power supply that cuts off described submersible pump 33 behind the EOT connects, and described centrifugal model stand 3 is taken out from described model casing 2;
Test to described submersible pump 33 comprises leakage tests and the test of drawing water, the water surface flood described submersible pump 33 backs described submersible pump 33 is carried out that leakage tests can ensure can be owing to electric leakage cause the centrifuge fault in the centrifugal model test process, the test of drawing water can guarantee that the water yield of carrying out in the centrifugal model test process supplies with.
Step C is placed into described centrifugal model stand 3 on the dam body installation work platform, makes geotechnological centrifugal model 4 in the described mold portion 312 of described centrifugal model stand 3;
Described dam body installation work platform can be a vacant lot, also can be a special-purpose table top, mainly is that the staff has enough operating spaces when described mold portion 312 is made geotechnological centrifugal model 4 for convenience.
Above-mentioned steps A-C all carries out outside centrifuge.
Step D hangs described centrifugal model stand 3 into described model casing 2 and fixes, and described model casing 2 is hung into centrifugal basket 1 and fixing, and the power cable of described submersible pump 33 is connected with external power source.Can carry out centrifugal model test after this.
Slip ring and pivoted arm that the power cable of described submersible pump 33 can pass centrifuge are connected with centrifuge external power source outward, certainly, if be provided with the power cord connector that power supply is provided in the described centrifugal basket 1, the power cable of described submersible pump 33 also can be connected with the power cord connector in the described centrifugal basket 1.
In a preferred embodiment, described model table 31 is end face and the rectangular box that sky is put in the side, be the boundary with described division board 311, an empty side is put for being used for placing the mold portion 312 of described geotechnological model in described model table 31 sides, and opposite side is for being used for the storage part 313 of retaining; The height of described division board 311 is less than the height of 3 sidewalls of described model table 31, after centrifugal test begins, power up for described submersible pump 33, described submersible pump 33 is input to described storage part 313 with water by described water inlet pipe 3132, the water of described storage part 313 can overflow into described mold portion 312 by described division board 311 after holding and expiring, the water that overflows into described mold portion 312 is back to described model casing 2 behind the described geotechnological centrifugal model 4 of erosion, thereby the realization periodical feeding, and do not need existing centrifuge is carried out any transformation.
In a preferred embodiment, in above-mentioned using method, wherein, described division board 311 is provided with the containing mark line, in step B, when testing described submersible pump 33, record that the water surface arrives the time of different graduation marks in the described storage part 313, thereby extrapolate the flow of inlet water of described storage part 313.
The water surface in the described storage part 313 of stopwatch equal time equipment records of utilizing that can be artificial arrives the time of the different capabilities graduation mark on the described division board 311, so just can extrapolate the flow of inlet water of described storage part 313 very easily.
Shown in Fig. 1-3, the present invention also provides a kind of circulating water supply system that is exclusively used in said method, described circulating water supply system comprises, a centrifugal model stand 3, described centrifugal model stand 3 comprise that one is used for placing the model table 31 of geotechnological model 4 and the carriage 32 of fixedlying connected with described model table 31;
Described model table 31 is end face and the rectangular box that sky is put in the side, in described model table 31, be provided with a division board 311, be the boundary with described division board 311, an empty side is put for being used for placing the mold portion 312 of described geotechnological model 4 in described model table 31 sides, opposite side is provided with spool 3131 and a water inlet pipe 3132 that is used for the threading cable for being used for the storage part 313 of retaining in the described storage part 313;
Described carriage 32 is fixedly connected on described model table 31 belows, described carriage 32 comprises a rectangular base plate 321, described base plate is respectively arranged with a root post 322 for 321 4 jiaos, between adjacent described column 322 tops, be provided with mounting rail 323, between adjacent described column 322, be provided with dismountable separation net 324;
A submersible pump 33 is fixedly arranged on the described base plate 321 of described carriage 32, and the delivery port of described submersible pump 33 is connected with the described water inlet pipe 3132 of described storage part 313;
Described circulating water supply system further comprises a model casing 2 that is used for holding water body, and described centrifugal model stand 3 is arranged in the described model casing 2.
The height of described division board 311 is less than the height of 3 sidewalls of described model table 31, when carrying out centrifugal model test, described submersible pump 33 is delivered to described storage part 313 with the water in the described model casing 2, the water of described storage part 313 can spill into described mold portion 312 uniformly by described division board 311 after holding and expiring, spill into the water of described mold portion 312 after described geotechnological centrifugal model 4 being acted on (for example carrying out erosion) or overflowing described geotechnological centrifugal model 4, put an empty side reflux to described model casing 2 via described model table 31, thereby realized periodical feeding, and do not needed existing centrifuge is carried out any transformation.
The major function of described storage part 313 is even in order to ensure the current that flow to described geotechnological centrifugal model 4 when carrying out centrifugal model test, therefore it does not need very big volume, can reduce the volume of described storage part 313 by the position that described division board 311 is set as far as possible, so just can leave described mold portion 312 enough spaces for and arrange large-sized described geotechnological centrifugal model 4.
Described separation net 324 can be selected the filter screen of high order number, for example can be 60 purpose filter screens, described separation net 324 is installed on the described carriage rather than is directly installed on the intake of described submersible pump 33, be in the centrifugal model test process, after current are washed into the constructional materialss such as sandy soil of described geotechnological centrifugal model 4 in the described model casing 2, even if cause alluvial also can not influence the water intaking work of described submersible pump 33 in the part of described separation net 324.
Fig. 4 is the structural representation of power consumption pipe shown in Figure 2; Shown in Fig. 2-4, in a preferred embodiment, described water inlet pipe 3132 is provided with a pressure and takes into account a control valve, and described water inlet pipe 3132 further is connected with a power consumption pipe 5, and described power consumption pipe 5 has a plurality of kinks.
Described pressure gauge and described control valve can be so that the more convenient inflows of controlling intuitively of staff.Described power consumption pipe 5 is for increasing the stroke of current before entering described storage part 313, and make current change as much as possible before entering described storage part 313 flow to and the reduction flow velocity, so just can be so that when carrying out the high overload centrifugal model test, the water flows gently.
Described power consumption pipe 5 can use commercially available pvc tubing or metal pipe material to be spliced, in a preferred embodiment, as shown in Figure 4, described power consumption pipe 5 comprises the U-shaped portion 51 of at least two series connection, and the width range of described U-shaped portion 51 is 6-8cm, and altitude range is 4-7cm, it is 25-35cm that 5 length L scopes are managed in described power consumption, the height H scope is 12-18cm, and described power consumption pipe bottom is provided with a horizontal steering tube 52, and described horizontal steering tube 52 ends are provided with one and turn to elbow.Described horizontal steering tube can so just can ensure further that water is spilled over to the uniformity of described mold portion 312 from described storage part 313 so that current flow out from the centre position of 313 bottoms, described storage part.Evidence under the overload situations more than the 30g, is installed after the described power consumption pipe 5 of above-mentioned size, and water is spilled over to the uniformity of described mold portion 312 than having obtained effective improvement before not installing from described storage part 313.
Fig. 4 is the structural representation of power consumption pipe shown in Figure 2; Fig. 5 is the generalized section of reducer shown in Figure 4; What Fig. 6 a～6c showed respectively is the generalized section of doing along I-I, II-II, III-III line among Fig. 5.Shown in Fig. 2,4-6, in a preferred embodiment, described power consumption pipe 5 is provided with at least one reducer 53, as shown in Figure 4, described reducer 53 is except being installed on the described horizontal steering tube 52, can also be installed in the position that frame of broken lines indicates among Fig. 4, that is to say, described reducer 53 can be installed in the optional position of described power consumption pipe 5 flexibly as component.
Have a plurality of decelerating rings that be arranged in parallel 531 in the described reducer 53, described decelerating ring 531 has a plurality of fan-shaped fins 532 that are spacedly distributed.The concrete described decelerating ring 531 that shows is 3 among Fig. 5-6, and each described decelerating ring 531 has 4 fan-shaped fins 532 that are spacedly distributed respectively.In according to a preferred embodiment of the present invention, have 3～10 decelerating rings that be arranged in parallel 531 in the described reducer, each described decelerating ring 531 has 3～5 fan-shaped fins 532 that are spacedly distributed.
Described reducer 53 provided by the present invention can be by the distribution angle of the fan-shaped fin 532 on the described decelerating ring 531 of conversion, and by the ratio of the fan-shaped fin 532 on the described decelerating ring 531 that rationally distributes with cavity 533, make the current that enter described reducer 53 in flowing, constantly change and flow to and speed, thereby when carrying out the high overload centrifugal model test, also can ensure when current flow out from described power consumption pipe 5 more steady.
For example, in specific embodiment as shown in the figure, the fan-shaped fin 532 of 4 of having of described decelerating ring 531 is 1:2 with the ratio of cavity 533; Evenly stagger mutually in fan-shaped fin 532 positions on the adjacent described decelerating ring 531, that is, because the number of the described decelerating ring 531 that is arranged in parallel is 3, it is the 360/3=120 degree that the angle that the position of the fan-shaped fin 532 on the adjacent described decelerating ring 531 staggers can be set.Certainly, those skilled in the art are to be understood that, the angle that staggers in fan-shaped fin 532 positions also can be determined according to the ratio of itself and cavity 533, purpose is to make the current that enter described reducer 53 constantly to change in flowing and flows to and speed, thus also can uniform and stable when carrying out the high overload centrifugal model test flow out from described power consumption pipe 5.
A kind of circulating water supply system and using method thereof for centrifugal model test provided by the present invention, do not need to supply water from the centrifuge outside, simplified the structural requirement to centrifuge, simultaneously, by devices such as power consumption pipe, deceleration tube are set, make that the periodical feeding in the model casing can velocity-stabilization, thereby satisfy the requirement of geotechnological centrifugal test.
Though it will be appreciated by those skilled in the art that the present invention is that mode according to a plurality of embodiment is described, and is not that each embodiment only comprises an independently technical scheme.Narration like this only is for the sake of clarity in the manual; those skilled in the art should make manual as a wholely to be understood, and regard technical scheme related among each embodiment as the mode that can be combined into different embodiment mutually understand protection scope of the present invention.
The above only is the schematic specific embodiment of the present invention, is not in order to limit scope of the present invention.Any those skilled in the art, the equivalent variations of doing under the prerequisite that does not break away from design of the present invention and principle, modification and combination all should belong to the scope of protection of the invention.
Claims (7)
1. circulating water supply system using method that is used for centrifugal model test, wherein, described circulating water supply system comprises a centrifugal model stand, described centrifugal model stand comprises a model table and the carriage of fixedlying connected with described model table; Described model table is rectangular box, is provided with a division board in described model table, is the boundary with described division board, and described model table one side is mold portion, and opposite side is the storage part, and described storage part is provided with a spool and a water inlet pipe; Described carriage is fixedly connected on the model table below, described carriage comprises a rectangular base plate, described base plate is respectively arranged with a root post for four jiaos, is provided with mounting rail between adjacent described column top, is provided with dismountable separation net between adjacent described column; Described carriage is fixedly connected with a submersible pump; Described circulating water supply system also comprises a model casing that is used for holding water body and places described centrifugal model stand;
It is characterized in that described method comprises the steps:
Steps A, described submersible pump is fixedly connected on the described rectangular base plate of described carriage, described model table is hung above described carriage, the power cable of described submersible pump is passed described spool, the described delivery port of described submersible pump is connected with described water inlet pipe, then described model table is fixedlyed connected with described carriage, afterwards, load onto described separation net at described carriage;
Step B, the described centrifugal model stand that installs described submersible pump is placed in the described model casing, the power cable of described submersible pump is connected with external power source, in described model casing, add water, after flooding described submersible pump, the water surface stops to add water, test described submersible pump, the power supply that cuts off described submersible pump behind the EOT connects, and described centrifugal model stand is taken out from described model casing;
Step C is placed into described centrifugal model stand on the dam body installation work platform, makes geotechnological centrifugal model in the described mold portion of described centrifugal model stand;
Step D hangs described centrifugal model stand into described model casing and fixes, and described model casing is hung into centrifugal basket and fixing, and the power cable of described submersible pump is connected with external power source.
2. method according to claim 1, wherein, described division board is provided with the containing mark line, it is characterized in that, in step B, when testing described submersible pump, record that the water surface arrives the time of different graduation marks in the described storage part, thereby extrapolate the flow of inlet water of described storage part.
3. method according to claim 1, it is characterized in that, in step D, after centrifugal test begins, can start described submersible pump, water is pumped to described storage part by described water inlet pipe, the water of described storage part holds full back and overflows into described mold portion by described division board, the water that overflows into described mold portion is back to described model casing behind erosion geotechnique centrifugal model, thereby realizes periodical feeding.
4. circulating water supply system that is exclusively used in the described method of claim 1-3, it is characterized in that, described circulating water supply system comprises a centrifugal model stand, and described centrifugal model stand comprises that one is used for placing the model table of geotechnological model and the carriage of fixedlying connected with described model table;
Described model table is that empty rectangular box is put in end face and a side, in described model table, be provided with a division board, be the boundary with described division board, an empty side is put for being used for placing the mold portion of geotechnological model in described model table side, opposite side is provided with spool and a water inlet pipe that is used for the threading cable for being used for the storage part of retaining in the described storage part;
Described carriage is fixedly connected on described model table below, described carriage comprises a rectangular base plate, described base plate is respectively arranged with a root post for four jiaos, is provided with mounting rail between adjacent described column top, is provided with dismountable separation net between adjacent described column;
A submersible pump is fixedly arranged on the base plate of described carriage, and the delivery port of described submersible pump is connected with the described water inlet pipe of described storage part;
Described circulating water supply system also comprises a model casing that is used for holding water body, and described centrifugal model stand is arranged in the described model casing.
5. circulating water supply system according to claim 4 is characterized in that, described water inlet pipe is provided with a pressure and takes into account a control valve, and described water inlet pipe further is connected with a power consumption pipe, and described power consumption pipe has a plurality of kinks.
6. circulating water supply system according to claim 5 is characterized in that, described power consumption pipe is provided with at least one reducer, has a plurality of decelerating rings that be arranged in parallel in the described reducer, and described decelerating ring has a plurality of fan-shaped fins that are spacedly distributed.
7. circulating water supply system according to claim 6, it is characterized in that, have 3～10 decelerating rings that be arranged in parallel in the described reducer, described decelerating ring has 3～5 fan-shaped fins that are spacedly distributed, and evenly staggers mutually in the fan-shaped fin position on the adjacent decelerating ring.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107907295A (en) * | 2017-10-23 | 2018-04-13 | 中国地质大学（武汉） | The geotechnical centrifuge case that a kind of remote control circulating analog tsunami acts on slight slope |
| CN108933372A (en) * | 2018-07-27 | 2018-12-04 | 中国工程物理研究院总体工程研究所 | Geotechnical centrifuge hanging basket power supply unit |
| CN108946439A (en) * | 2018-07-27 | 2018-12-07 | 广船国际有限公司 | A kind of immersible pump nacelle device |
| CN109374863A (en) * | 2018-11-28 | 2019-02-22 | 浙江大学 | A kind of circulating water supply device for centrifugal model test under high-g level |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107907295A (en) * | 2017-10-23 | 2018-04-13 | 中国地质大学（武汉） | The geotechnical centrifuge case that a kind of remote control circulating analog tsunami acts on slight slope |
| CN108933372A (en) * | 2018-07-27 | 2018-12-04 | 中国工程物理研究院总体工程研究所 | Geotechnical centrifuge hanging basket power supply unit |
| CN108946439A (en) * | 2018-07-27 | 2018-12-07 | 广船国际有限公司 | A kind of immersible pump nacelle device |
| CN108933372B (en) * | 2018-07-27 | 2024-01-16 | 中国工程物理研究院总体工程研究所 | Geotechnical centrifuge hanging basket power supply device |
| CN109374863A (en) * | 2018-11-28 | 2019-02-22 | 浙江大学 | A kind of circulating water supply device for centrifugal model test under high-g level |
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|---|---|
| CN103233484B (en) | 2014-11-19 |
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