CN212379397U - Test device for simulating rainfall seepage - Google Patents

Test device for simulating rainfall seepage Download PDF

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Publication number
CN212379397U
CN212379397U CN202021098407.XU CN202021098407U CN212379397U CN 212379397 U CN212379397 U CN 212379397U CN 202021098407 U CN202021098407 U CN 202021098407U CN 212379397 U CN212379397 U CN 212379397U
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CN
China
Prior art keywords
water tank
test device
steel frame
frame
rear end
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Expired - Fee Related
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CN202021098407.XU
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Chinese (zh)
Inventor
刘伟平
崔运帷
杜臻
邓兆祥
陈震天
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Nanchang University
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Nanchang University
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Priority to CN202021098407.XU priority Critical patent/CN212379397U/en
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Publication of CN212379397U publication Critical patent/CN212379397U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model relates to the technical field of test devices, in particular to a test device for simulating rainfall seepage, which comprises a square steel frame, a water tank arranged between the steel frames and a spray head arranged at the top of the steel frame, wherein the water tank is of a square structure with an open top and comprises a first water tank at the front end and a second water tank at the rear end, and the bottom of the rear end of the first water tank is hinged with the bottom of the front end of the second water tank; a fixed pulley is fixed at the top of the rear end of the steel frame, a chain is sleeved on the fixed pulley, one end of the chain is connected with the rear end of the second water tank, and the other end of the chain is fixed on the steel frame; and the front end of the first water tank is provided with a sample collecting box. The utility model discloses can carry out experimental research at indoor reasonable arrangement experiment, do not receive the interference of other uncertain environment in the external world basically when testing.

Description

Test device for simulating rainfall seepage
Technical Field
The utility model relates to a test device technical field especially relates to a test device of rainfall simulation seepage flow.
Background
The initial, evolution, degeneration and deposition processes of erosion of the slope body on the natural hillside are easy to observe, but due to the fact that the natural environment and the actual situation of the soil body are complex and changeable, people are greatly limited in space and time when researching the erosion of hillside caving, and the most direct and intuitive mode is that under the controlled laboratory condition, the changes of the sand yield and the changes of the process form before, during and after the damage of the shallow soil body are easy to research and quantify by utilizing the macroscopic change of the surface of the soil body in the water tank by utilizing artificial rainfall and combining with a precise instrument, a sensor and software to detect the changes in the soil body.
Based on the above reason, the utility model provides a test device of rainfall simulation seepage flow.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art, and provides a test device for simulating rainfall seepage, which can reasonably arrange tests indoors to carry out experimental research and is basically not interfered by other external uncertain environments during the tests; some secondary factors can be ignored, major factors which have large influence on test results in key research can be repeatedly carried out, and the obtained conclusion can be verified or checked.
In order to realize the utility model discloses a purpose, the utility model discloses a technical scheme do:
the utility model discloses a test device for simulating rainfall seepage, which comprises a square steel frame, a water tank arranged between the steel frames and a spray head arranged at the top of the steel frame, wherein the water tank is of a square structure with an open top and comprises a first water tank at the front end and a second water tank at the rear end, and the bottom of the rear end of the first water tank is hinged with the bottom of the front end of the second water tank; a fixed pulley is fixed at the top of the rear end of the steel frame, a chain is sleeved on the fixed pulley, one end of the chain is connected with the rear end of the second water tank, and the other end of the chain is fixed on the steel frame; and the front end of the first water tank is provided with a sample collecting box.
The included angle between the first water tank and the horizontal plane is 10 degrees; the included angle between the second water tank and the horizontal plane is 30 degrees.
The steel frame is characterized in that a plurality of section steels are arranged on two sides of the steel frame at intervals, and two ends of the section steels are connected with the top and the bottom of the steel frame respectively.
And a plurality of through holes for the supporting rods to pass through are formed in the side walls of the profile steels on the two sides, and the supporting rods are used for supporting the bottom of the second water tank.
The bottom of the first water tank is provided with a support frame, the longitudinal section of the support frame is of a right-angled triangle structure, and the slope of the bottom angle of the front end of the support frame is the same as that of the bottom of the first water tank.
The water tank comprises a threaded iron plate at the bottom, fixed rods connected with the threaded iron plate are arranged on the side edge of the threaded iron plate at intervals, an iron frame is arranged at the top of each fixed rod, and toughened glass is arranged between the inner walls of the fixed rods.
The beneficial effects of the utility model reside in that:
(1) the utility model can reasonably arrange the experiment in the room to carry out experimental research, and is basically not interfered by other uncertain environments in the outside during the experiment;
(2) some secondary factors can be ignored, major factors which have large influence on test results in key research can be repeatedly carried out, and the obtained conclusion can be verified or checked; by changing a single variable, the infiltration and erosion process of the residual granite soil under the rainfall condition and the evolution form of slope body damage are explored.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a schematic view of a part of the structure of the present invention.
In the figure: 1 steelframe, 2 basins, 21 first basin, 22 second basins, 23 screw thread bottom plates, 24 dead levers, 25 toughened glass, 3 shower nozzles, 4 fixed pulleys, 5 chains, 6 sample collecting boxes, 7 shaped steel, 8 bracing pieces, 9 through-holes, 10 support frames, 11 water tanks, 12 flowmeters, 13 water pumps.
Detailed Description
The following further description of the present invention:
referring to figures 1-2 of the drawings,
the utility model discloses a test device for simulating rainfall seepage, which comprises a square steel frame 1, a water tank 2 arranged between the steel frame 1 and a spray head 3 arranged at the top of the steel frame 1, wherein the water tank 2 is of a square structure with an opening at the top, and comprises a first water tank 21 at the front end and a second water tank 22 at the rear end, and the bottom of the rear end of the first water tank 21 is hinged with the bottom of the front end of the second water tank 22; a fixed pulley 4 is fixed at the top of the rear end of the steel frame 1, a chain 5 is sleeved on the fixed pulley 4, one end of the chain 5 is connected with the rear end of the second water tank 22, and the other end of the chain 5 is fixed on the steel frame 1; the front end of first basin 21 is equipped with sample collection box 6, and shower nozzle 3 is through being fixed in the water pipe and the water tank 11 intercommunication at 1 top of steelframe, is equipped with flowmeter 12 on the water pipe and is convenient for control the water spray volume of shower nozzle 3, and the lateral wall below of water tank 11 is equipped with the water pump 13 through the pipe connection with it.
The included angle between the first water tank 21 and the horizontal plane is 10 degrees; the included angle between the second water tank and the horizontal plane is 30 degrees, so that the infiltration and erosion process of the granite residual soil under the rainfall condition and the evolution form of slope body damage can be conveniently explored.
The steel frame is characterized in that a plurality of section steels 7 are arranged on two sides of the steel frame 1 at intervals, two ends of each section steel 7 are connected with the top and the bottom of the steel frame 1 respectively, and stable supporting force of the steel frame 1 is improved.
The side walls of the profile steels 7 on the two sides are provided with a plurality of through holes 9 for the supporting rods 8 to pass through, and the supporting rods 8 are used for supporting the bottom of the second water tank 22 and play a role in supporting the second water tank 22.
The bottom of the first water tank 21 is provided with the support frame 10, the longitudinal section of the support frame 10 is in a right-angled triangle structure, the slope of the bottom angle of the front end of the support frame is the same as that of the bottom of the first water tank 21, and the support stability of the first water tank 21 is improved.
The water tank 2 comprises a threaded iron plate 23 at the bottom, fixing rods 24 connected with the threaded iron plate 23 are arranged on the side edge of the threaded iron plate 23 at intervals, an iron frame is arranged at the top of each fixing rod 24, and toughened glass 25 is arranged between the inner walls of the fixing rods 24.
Example (b):
a two-section type water tank 2 model is designed according to research requirements, a second water tank 22 is made of I-shaped steel and is used as an integral bearing frame, a fixed pulley 4 is used for lifting the second water tank 22 to form an angle of 30 degrees with the horizontal direction, through holes 9 are formed in two ends of profile steel 7 on the side edge for inserting supporting rods 8 to be used for supporting protection, and a first water tank 21 is made of No. 5 angle iron and is welded into a supporting frame of 10 degrees. The model water tank 2 has a total length of 5.3m, a width of 0.9m and a depth of 0.8m, wherein the second water tank 22 has a length of 3.4m and the first water tank 21 has a length of 1.9 m. A thread iron plate 23 is welded at the bottom of the water tank 2, and transparent toughened glass 25 with the thickness of 8mm is arranged on the periphery of the water tank, so that the compactness of a soil body can be controlled by making marks in a layering mode in the soil filling process, and the processes of water infiltration and wetting peak descending can be conveniently observed in the test process. The joint of the toughened glass 25 and the threaded iron plate 23 at the bottom and the iron frame at the upper part are fixed by glass cement, so that water seepage can be prevented, and the overall stability of the model can be improved, and the model is safer and more reliable.
The above mentioned is only the embodiment of the present invention, not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings or the direct or indirect application in the related technical field are included in the patent protection scope of the present invention.

Claims (6)

1. The utility model provides a test device of rainfall simulation seepage flow which characterized in that: comprises steel frames (1) in a square frame shape, a water tank (2) arranged between the steel frames (1) and a spray head (3) arranged at the top of the steel frames (1),
the water tank (2) is of a square structure with an opening at the top and comprises a first water tank (21) at the front end and a second water tank (22) at the rear section, and the bottom of the rear end of the first water tank (21) is hinged with the bottom of the front end of the second water tank (22);
a fixed pulley (4) is fixed at the top of the rear end of the steel frame (1), a chain (5) is sleeved on the fixed pulley (4), one end of the chain (5) is connected with the rear end of the second water tank (22), and the other end of the chain is fixed on the steel frame (1);
the front end of the first water tank (21) is provided with a sample collecting box (6).
2. The rainfall seepage simulation test device according to claim 1, wherein: the included angle between the first water tank (21) and the horizontal plane is 10 degrees; the included angle between the second water tank and the horizontal plane is 30 degrees.
3. The rainfall seepage simulation test device according to claim 2, wherein: the steel frame is characterized in that a plurality of section steels (7) are arranged on two sides of the steel frame (1) at intervals, and two ends of the section steels (7) are connected with the top and the bottom of the steel frame (1) respectively.
4. A test device for simulating rainfall seepage according to claim 3, characterized in that: the side walls of the profile steels (7) on the two sides are provided with a plurality of through holes (9) for the supporting rods (8) to pass through, and the supporting rods (8) are used for supporting the bottom of the second water tank (22).
5. The rainfall seepage simulation test device according to claim 4, wherein: the bottom of the first water tank (21) is provided with a support frame (10), the longitudinal section of the support frame (10) is of a right-angled triangle structure, and the slope of the bottom angle of the front end of the support frame is the same as that of the bottom of the first water tank (21).
6. The rainfall seepage simulation test device according to claim 5, wherein: the water tank (2) comprises a threaded iron plate (23) at the bottom, fixing rods (24) connected with the threaded iron plate (23) are arranged on the side edge of the threaded iron plate at intervals, an iron frame is arranged at the top of each fixing rod (24), and toughened glass (25) is arranged between the inner walls of the fixing rods (24).
CN202021098407.XU 2020-06-15 2020-06-15 Test device for simulating rainfall seepage Expired - Fee Related CN212379397U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021098407.XU CN212379397U (en) 2020-06-15 2020-06-15 Test device for simulating rainfall seepage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021098407.XU CN212379397U (en) 2020-06-15 2020-06-15 Test device for simulating rainfall seepage

Publications (1)

Publication Number Publication Date
CN212379397U true CN212379397U (en) 2021-01-19

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CN202021098407.XU Expired - Fee Related CN212379397U (en) 2020-06-15 2020-06-15 Test device for simulating rainfall seepage

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CN (1) CN212379397U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111638319A (en) * 2020-06-15 2020-09-08 南昌大学 Test device for simulating rainfall seepage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111638319A (en) * 2020-06-15 2020-09-08 南昌大学 Test device for simulating rainfall seepage

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210119

Termination date: 20210615

CF01 Termination of patent right due to non-payment of annual fee