CN210887079U - Circulating water flow device for simulating riverways in different riverbank zones - Google Patents
Circulating water flow device for simulating riverways in different riverbank zones Download PDFInfo
- Publication number
- CN210887079U CN210887079U CN201921678236.5U CN201921678236U CN210887079U CN 210887079 U CN210887079 U CN 210887079U CN 201921678236 U CN201921678236 U CN 201921678236U CN 210887079 U CN210887079 U CN 210887079U
- Authority
- CN
- China
- Prior art keywords
- circulating water
- water tank
- water
- flow
- tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 188
- 238000004088 simulation Methods 0.000 claims description 25
- 230000000087 stabilizing effect Effects 0.000 claims description 15
- 238000005273 aeration Methods 0.000 claims description 9
- 229920000742 Cotton Polymers 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 8
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 8
- 239000004800 polyvinyl chloride Substances 0.000 claims description 8
- 244000025254 Cannabis sativa Species 0.000 claims description 5
- 238000000034 method Methods 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000003628 erosive effect Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 239000000523 sample Substances 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Revetment (AREA)
Abstract
The utility model discloses a circulating water flow device for simulating riverways in different riverbank zones, which comprises a bracket (1), a circulating water tank (2), a longitudinal slope adjusting mechanism and a circulating water device; the circulating water tank (2) is arranged on the support (1), one end of the circulating water tank is hinged with the support (1), the longitudinal slope adjusting mechanism is arranged on the support (1) below the middle part of the circulating water tank (2), and a horizontal included angle between the circulating water tank (2) and the support (1) is supported and adjusted; the circulating water tank (2) comprises a bottom plate (21), a front end plate (22), a rear end plate (23) and two side plates (24). The continuous stepless angle regulation of the transverse and longitudinal slopes can be realized at the same time.
Description
Technical Field
The utility model relates to a mechanical structure technical field especially relates to a circulation rivers device in different river bank area river courses of simulation.
Background
The slope is an important factor affecting the flow of the slope and the erosion characteristics of the slope. Compared with a gentle slope, the water flow dynamic characteristics and the erosion characteristics under the condition of a steep slope have the particularity, special research needs to be carried out, and the research method is mainly field test and indoor simulation test. Due to the large difficulty of field observation, long period and complex influence factors, the system is difficult to research. An indoor slope-changing test water tank is one of important test methods and facilities for researching the slope erosion process and mechanism. The traditional variable-slope water tank usually adopts three fulcrums to support the water tank, adopts a power source and two fulcrums to support the water tank, so that two fulcrums are completely synchronous in the slope adjusting process and have difficulty, and the slope is repeatedly adjusted to damage the side wall of the glass greatly. Most of the existing variable-slope water tanks adopt a supporting structure formed by two supporting points, the whole water tank is fixed on a hinge support and a movable supporting point, so that slope adjustment is convenient, but the scale and stepless slope adjustment range of the water tank are limited.
Most of the current simulation test circulating water tanks only control a single factor, and the simulation test circulating water tanks have the characteristics of high cost, low utilization rate, low test efficiency, time and labor waste in operation, low precision and the like, and are few accurate test devices which can take the factors of wind power, river channel form, bank slope soil, flow velocity, flow, common hydraulic structures, air temperature and the like into consideration.
Disclosure of Invention
The utility model aims at providing a circulation rivers device in different river bank area river courses of simulation can realize the continuous electrodeless angle regulation of horizontal and longitudinal slope simultaneously to play the effect that changes river bank area river course form.
The utility model aims at realizing through the following technical scheme:
a circulating water flow device for simulating riverways of different riverbank zones comprises a bracket 1, a circulating water tank 2, a longitudinal slope adjusting mechanism and a circulating water device;
the circulating water tank 2 is arranged on the support 1, one end of the circulating water tank is hinged with the support 1, the longitudinal slope adjusting mechanism is arranged on the support 1 below the middle part of the circulating water tank 2, and a horizontal included angle between the circulating water tank 2 and the support 1 is supported and adjusted;
the circulating water tank 2 comprises a bottom plate 21, a front end plate 22, a rear end plate 23 and two side plates 24; the two side plates 24 are hinged to two sides of the bottom plate 21 to form a V-shaped groove body with a V-shaped cross section and an opening angle of which can be changed, the front end plate 22 and the rear end plate 23 are respectively arranged at two ends of the V-shaped groove body and are clamped and sealed with the V-shaped groove body through a clamping mechanism;
the bottom of the V-shaped groove body is provided with heat insulation cotton 3, and a simulation auxiliary device is arranged on the heat insulation cotton 3;
a water outlet 25 is arranged below the front end plate 22, a water inlet 26 is arranged above the rear end plate 23, and the circulating water device is connected with the water inlet 26 and the water outlet 25 and supplies water to the V-shaped groove body in a circulating manner.
The longitudinal slope adjusting mechanism comprises a hydraulic cylinder 5, a cylinder body of the hydraulic cylinder 5 is hinged to the support 1, and a piston rod of the hydraulic cylinder 5 extends upwards and the top end is hinged to the lower portion of the middle of the bottom plate 21.
The clamping mechanism comprises a G-shaped clamp.
The circulating water device comprises a water storage tank 6, a steady flow water tank 7, a submersible pump 8 and a water pipe 9;
the water at the water outlet 25 of the circulating water tank 2 flows into the water storage tank 6, the submersible pump is arranged in the water storage tank 6, the water storage tank 6 is pumped into the steady flow water tank 7 through the water pipe 9, the steady flow water tank 7 is arranged on the rear end plate 23, the opening of the steady flow water tank 7 is higher than that of the circulating water tank 2, and the water flows into the circulating water tank 2 from the water inlet 26 after the steady flow water tank 7 is filled with water.
And a PVC flow stabilizing pipe is arranged in the flow stabilizing water tank 7.
The simulation auxiliary device comprises one or more of a cobble block 4, an electromagnetic flowmeter, a simulation artificial grass, an artificial aeration fan or a simulation dam.
By the foregoing the utility model provides a technical scheme can see out, the embodiment of the utility model provides a pair of circulation rivers device of different river bank area riverways of simulation can realize the continuous electrodeless angle regulation of horizontal and longitudinal slope simultaneously. The whole stainless steel that adopts of circulating water tank, wherein the river course side slope is whole to be linked to each other with the activity hinge by three steel sheets, conveniently changes the horizontal slope of river course, and vertical river course slope is controlled by bottom hydraulic pump. The hydraulic circulation system consists of a water storage tank, a flow stabilizing groove, a water pump and a circulation pipeline, wherein the water pump is placed in the water storage tank and connected with the circulation pipeline, and the joint of the circulation pipeline and the flow stabilizing groove is controlled by a valve to control the overall flow. The auxiliary equipment system consists of a simulated river channel dam, an artificial aeration fan and a PVC (polyvinyl chloride) flow stabilizing pipe, and the devices are not necessary and can be added or deleted according to experimental requirements. The circulating water tank can simulate the influence of different water treatment modes of a natural river channel on water quality indexes.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a circulating water flow device for simulating riverways in different riparian zones, provided by an embodiment of the utility model;
fig. 2 is a schematic cross-sectional view of a circulating water tank of a circulating water flow device for simulating riverways in different riparian zones according to an embodiment of the utility model;
fig. 3 is a schematic view of a circulating water device for simulating riverways in different riparian zones according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a front end plate of a circulating water flow device for simulating riverways in different riparian zones according to an embodiment of the present invention;
fig. 5 is a schematic view of a front end plate water outlet structure of a circulating water flow device for simulating riverways in different riparian zones provided by the embodiment of the utility model;
fig. 6 is a schematic structural view of a bracket, a water tank support and a water storage tank of the circulating water flow device for simulating riverways in different riparian zones provided by the embodiment of the invention;
fig. 7 is a schematic structural view of a steady flow water tank of a circulating water flow device for simulating riverways in different riparian zones according to an embodiment of the present invention;
fig. 8 is a schematic structural view of a rear end plate of a circulating water flow device for simulating riverways in different riverbank zones, provided by the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiment of the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
As shown in fig. 1, a circulating water flow device for simulating riverways of different riparian zones comprises a bracket 1, a circulating water tank 2, a longitudinal slope adjusting mechanism and a circulating water device; the circulating water tank 2 is arranged on the support 1, the circulating water tank 2 is made of stainless steel, the whole length of the river channel is 6m, the bottom width is 0.3m, the band width of river banks on two sides is 0.6m, and in addition, the water tank support 12 provides strength support. As shown in fig. 6, one end of the circulating water tank 2 is hinged to the frame 1, specifically, the bottom plate 21 or the front end plate 22 is hinged to the frame 1, and in this example, the water tank support 12 is hinged to the frame 1 through a hinge 24. The longitudinal slope adjusting mechanism is arranged on the bracket 1 below the middle part of the circulating water tank 2, and supports and adjusts the horizontal included angle between the circulating water tank 2 and the bracket 1; the longitudinal slope adjusting mechanism comprises a hydraulic cylinder 5, a cylinder body of the hydraulic cylinder 5 is hinged to the support 1, a piston rod of the hydraulic cylinder 5 extends upwards, the top end of the piston rod is hinged to the lower portion of the middle of the bottom plate 21, the included angle between the circulating water tank 2 and the horizontal plane is adjusted by adjusting the height of the piston rod of the hydraulic cylinder 5 extending upwards, and the included angle is adjusted to be 0-15 degrees. Of course, the hydraulic cylinder 5 needs to be connected with hydraulic control systems such as the hydraulic pump 11 and the control valve, and the specific technical scheme and method belong to the common knowledge and are not described again.
As shown in fig. 2, the circulation water tank 2 includes a bottom plate 21, a front end plate 22, a rear end plate 23 and two side plates 24; the two side plates 24 are hinged to two sides of the bottom plate 21 to form a V-shaped groove body with a V-shaped cross section and an opening angle of which can be changed, the front end plate 22 and the rear end plate 23 are respectively arranged at two ends of the V-shaped groove body and are clamped and sealed with the V-shaped groove body through a clamping mechanism; the clamping mechanism comprises a G-shaped clamp 10, namely a G-shaped anchor, belongs to general commodities and is not described in detail. Because the two side plates 24 are hinged on the two sides of the bottom plate 21, the opening angle of the V-shaped cross section can be adjusted, the limit range of the included angle between the side plates 24 and the bottom plate 21 is 0-90 degrees, the included angle is generally controlled to be 15-90 degrees, and different angles of the left side and the right side can be realized, such as 30 degrees on one side and 45 degrees on the other side, so that different river banks can be simulated. When the novel water-tight sealing device is used, the G-shaped clamp 10 is loosened, the side plate 24 and the bottom plate 21 are adjusted to a proper angle, then the G-shaped clamp 10 is screwed, and sealing strips are arranged between the side plate 24 and the front end plate 22 and the rear end plate 23, so that sealing is realized.
The simulation water channel comprises a V-shaped groove body, wherein heat insulation cotton 3 is arranged at the bottom of the V-shaped groove body, a simulation auxiliary device is arranged on the heat insulation cotton 3, the heat insulation cotton 3 is made of black heat insulation cotton, the simulation auxiliary device comprises pebble blocks 4, an electromagnetic flow meter, one or more of a simulation artificial grass, an artificial aeration fan or a simulation dam, the pebble blocks 4 and the pebble blocks 4 ensure that the water temperature of the water channel is not too high or too low and also provide certain roughness, so that the situation of the circulating water channel is similar to that of an actual river channel, the simulation soil columns are river bank zone simulation soil columns of 120cm × 20cm × 70cm, different soils are filled to explore the water quality evolution of percolating water, the artificial aeration fans are arranged at equal intervals on the edge of the circulating water channel to simulate the influence of aeration on an experimental water quality index, and the simulation dam is a simulation dam with a detachable height capable of being automatically adjusted to simulate the.
As shown in fig. 4 and 5, water outlets 25 are formed below the front end plate 22, water guiding grooves 13 are formed in the water outlets 25, a water inlet 26 is formed above the rear end plate 23, specifically, as shown in fig. 7, the water inlet 26 is formed in the flow stabilizing water groove 7, and the circulating water device is connected with the water inlet 26 and the water outlet 25 to circularly supply water to the V-shaped groove.
As shown in fig. 3, the circulating water device comprises a water storage tank 6, a steady flow water tank 7, a submersible pump 8 and a water pipe 9; the water flow of the water outlet 25 of the circulating water tank 2 flows into the water storage tank 6 through the water guide groove 13, the submersible pump is arranged in the water storage tank 6, the water storage tank 6 is pumped into the steady flow water tank 7 through the water pipe 9, the steady flow water tank inlet 15 is arranged on the side face of the steady flow water tank 7, the water pipe 9 is connected with the steady flow water tank inlet 15, the steady flow water tank 7 is arranged on the rear end plate 23, the opening of the steady flow water tank 7 is higher than that of the circulating water tank 2, and after the steady flow water tank 7 is filled with water, the. And a PVC flow stabilizing pipe is arranged in the flow stabilizing water tank 7. The PVC flow stabilizing pipe is arranged on a downstream flow stabilizing water tank 7, and a honeycomb-shaped PVC pipe with the pipe diameter of 3cm and the length of 5cm is a flow stabilizing device and plays a role in stabilizing the flow direction and the flow velocity of incoming water and straightening the water flow.
The utility model discloses the circulating water device of different river bank area river courses of simulation carries out the controlled variable to the simulation experiment from five aspects and explores the influence of specific some factors to the quality of water index:
firstly, the influence of the change of the transverse and longitudinal gradients on the water quality can be researched, and under the condition, the angles of the transverse and longitudinal slopes are respectively controlled by controlling the included angles of the side plates 24 and the bottom plate 21 and the lifting of the longitudinal slope adjusting mechanism, so that the influence of the transverse and longitudinal slopes of the river channel on the water quality index can be researched;
secondly, the influence of the flow velocity and the flow rate on the water quality can be explored, an experimenter can control a starting valve and a closing valve which are connected with a circulation pipeline and a flow stabilizing groove to realize the control of the flow rate of incoming water, the device is provided with an electromagnetic flowmeter in the circulation pipeline, and the flow range is 0.08-1236 m3The flow is accurately controlled by the accuracy grade of +/-0.5% R (five thousandths), the influence of the flow and the flow velocity on the water quality is analyzed, the influence of the pulse flow on the water quality index can be further researched by manually setting the pulse flow in the later period, the specification of the water pump can be replaced, and the influence of the flow velocity and the flow in a wider range on the water quality index can be further researched;
thirdly, the influence of aeration on water quality indexes can be explored, an artificial aeration fan is additionally arranged, the measuring range is 0.3-45 m/s, and the air temperature range is 0-45 degrees. Electric fans are arranged at the edge of the circulating water tank at equal intervals to simulate the influence of the aeration effect on the experimental water quality index;
fourthly can probe into the influence of common hydraulic structure to quality of water, install the simulation dam additional, place in the basin and can dismantle height-adjustable stainless steel or polyamide fibre sack simulation retaining dam and rubber dam, draw common hydraulic structure to the influence of quality of water index through the comparison before and after, the later stage can place other river course moulds in the circulating water tank and further probe into. Meanwhile, the influence of temperature, initial water quality and the like on water quality indexes can be further researched by changing the use season of the circulating water tank, the water quality of incoming water and the like;
fifthly, the influence of the river bank roughness on water quality and water flow can be explored, quantitative simulated artificial grass is pasted on a river bank slope, the vegetation condition of a river bank zone in a natural state is simulated, the influence of the river bank roughness on water quality indexes is obtained, and different types of simulated artificial grass can be replaced on the river bank for further exploration in the later period.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. A circulating water flow device for simulating riverways of different riverbank zones is characterized by comprising a bracket (1), a circulating water tank (2), a longitudinal slope adjusting mechanism and a circulating water device;
the circulating water tank (2) is arranged on the support (1), one end of the circulating water tank is hinged with the support (1), the longitudinal slope adjusting mechanism is arranged on the support (1) below the middle part of the circulating water tank (2), and a horizontal included angle between the circulating water tank (2) and the support (1) is supported and adjusted;
the circulating water tank (2) comprises a bottom plate (21), a front end plate (22), a rear end plate (23) and two side plates (24); the two side plates (24) are hinged to two sides of the bottom plate (21) to form a V-shaped groove body with a V-shaped cross section and a variable opening angle, the front end plate (22) and the rear end plate (23) are respectively arranged at two ends of the V-shaped groove body and are clamped and sealed with the V-shaped groove body through a clamping mechanism;
the bottom of the V-shaped groove body is provided with heat insulation cotton (3), and a simulation auxiliary device is arranged on the heat insulation cotton (3);
front end plate (22) below open and to have delivery port (25), establish water inlet (26) above rear end plate (23), circulating water device connect water inlet (26) and delivery port (25), to V type tank internal circulation water supply.
2. The circulating water flow device for simulating riverways at different riparian zones according to claim 1, wherein the longitudinal slope adjusting mechanism comprises a hydraulic cylinder (5), a cylinder body of the hydraulic cylinder (5) is hinged on the bracket (1), and a piston rod of the hydraulic cylinder (5) extends upwards to reach the top end and is hinged below the middle part of the bottom plate (21).
3. A circulating water flow device for simulating river courses in different riparian zones according to claim 1 or 2, wherein the clamping mechanism comprises G-shaped clamps.
4. The device for simulating the circulating water flow of the riverways at different riparian zones according to claim 1 or 2, wherein the circulating water device comprises a water storage tank (6), a steady flow water tank (7), a submersible pump (8) and a water pipe (9);
the water at the water outlet (25) of the circulating water tank (2) flows into the water storage tank (6), the submersible pump is arranged in the water storage tank (6), the water storage tank (6) is pumped into the steady flow water tank (7) through the water pipe (9), the steady flow water tank (7) is arranged on the rear end plate (23), the opening of the steady flow water tank (7) is higher than the circulating water tank (2), and the steady flow water tank (7) is filled with the water which flows into the circulating water tank (2) through the water inlet (26).
5. The device for simulating the circulating water flow of riverways at different riparian zones according to claim 4, wherein a PVC (polyvinyl chloride) flow stabilizing pipe is arranged in the flow stabilizing water tank (7).
6. A device for simulating the circulating water flow of riverways at different riparian zones according to claim 1 or 2, wherein the simulation auxiliary device comprises one or more of a pebble block (4), an electromagnetic flowmeter, a simulated artificial grass artificial aeration fan or a simulated dam.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921678236.5U CN210887079U (en) | 2019-10-09 | 2019-10-09 | Circulating water flow device for simulating riverways in different riverbank zones |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921678236.5U CN210887079U (en) | 2019-10-09 | 2019-10-09 | Circulating water flow device for simulating riverways in different riverbank zones |
Publications (1)
Publication Number | Publication Date |
---|---|
CN210887079U true CN210887079U (en) | 2020-06-30 |
Family
ID=71336223
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201921678236.5U Expired - Fee Related CN210887079U (en) | 2019-10-09 | 2019-10-09 | Circulating water flow device for simulating riverways in different riverbank zones |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN210887079U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110629729A (en) * | 2019-10-09 | 2019-12-31 | 北京师范大学 | Circulating water flow device for simulating riverways in different riverbank zones |
CN113628518A (en) * | 2021-09-14 | 2021-11-09 | 中国地质调查局长沙自然资源综合调查中心 | Landslide surge propagation test device with variable river channel form in dynamic water environment |
CN115182877A (en) * | 2022-08-18 | 2022-10-14 | 江苏大学 | Water jet propulsion pump test system |
-
2019
- 2019-10-09 CN CN201921678236.5U patent/CN210887079U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110629729A (en) * | 2019-10-09 | 2019-12-31 | 北京师范大学 | Circulating water flow device for simulating riverways in different riverbank zones |
CN113628518A (en) * | 2021-09-14 | 2021-11-09 | 中国地质调查局长沙自然资源综合调查中心 | Landslide surge propagation test device with variable river channel form in dynamic water environment |
CN113628518B (en) * | 2021-09-14 | 2023-08-08 | 中国地质调查局长沙自然资源综合调查中心 | Landslide surge propagation test device with changeable river channel shape under dynamic water environment |
CN115182877A (en) * | 2022-08-18 | 2022-10-14 | 江苏大学 | Water jet propulsion pump test system |
CN115182877B (en) * | 2022-08-18 | 2024-03-19 | 江苏大学 | Water jet propulsion pump test system |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110629729A (en) | Circulating water flow device for simulating riverways in different riverbank zones | |
CN210887079U (en) | Circulating water flow device for simulating riverways in different riverbank zones | |
EP4216197A1 (en) | Experiment simulation system and experiment simulation method for reservoir sediment peak scheduling | |
CN103798121B (en) | Multifunctional water bloom growth and extinction experiment research system under influence of hydraulic engineering and operation method thereof | |
CN203701029U (en) | Deformable open-cut bend water channel device for flow and sediment experiments | |
CN103865757B (en) | Drip emitter periphyton membrane simulation culture apparatus and application thereof | |
CN205910180U (en) | Artificial rainfall simulation analog system | |
CN107561077A (en) | A kind of adjustable tilt pipe angle Solid-fluid Two-phase Flow test system | |
CN107090800B (en) | Step dam break experimental device with variable storage capacity | |
CN110006808B (en) | Device for simulating development condition of crack pipeline in karst region | |
CN217156212U (en) | Experimental device for be used for measuring seepage flow erosion | |
CN207540982U (en) | Adjustable tilt pipe angle Solid-fluid Two-phase Flow tests system | |
CN102677625B (en) | Device used in towing tank for simulating profile flows | |
CN214464380U (en) | Prefabricated device of underground water-rich cavity experimental model | |
CN206472666U (en) | Fish-egg simulates conveying arrangement and system | |
CN105355128A (en) | Adjustable multistage underground current system test apparatus | |
CN211180663U (en) | Automatic adjusting device for upstream flow stability of beach protection scouring stability model test | |
CN211973346U (en) | Movable type counter-slope water rising device for movable bed area of river model | |
CN212458826U (en) | Channel circulating device with teaching and scientific research functions | |
CN210665405U (en) | Device for simulating diffusion influence of solute to medium in pipeline | |
CN209764866U (en) | Water and soil conservation monitoring runoff simulation device | |
CN109723026B (en) | Saline water tank for simulating tidal reciprocating flow | |
CN112858055A (en) | Intelligent test model and method for measuring anti-scouring performance of honeycomb restraint system | |
CN113628518B (en) | Landslide surge propagation test device with changeable river channel shape under dynamic water environment | |
CN205193044U (en) | High precision becomes sloping basin testing system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200630 |