CN203786115U - Assembly-type pressure flow vegetation protected slope scouring experiment device - Google Patents
Assembly-type pressure flow vegetation protected slope scouring experiment device Download PDFInfo
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- CN203786115U CN203786115U CN201420182674.3U CN201420182674U CN203786115U CN 203786115 U CN203786115 U CN 203786115U CN 201420182674 U CN201420182674 U CN 201420182674U CN 203786115 U CN203786115 U CN 203786115U
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- organic glass
- groove box
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Abstract
The utility model discloses an assembly-type pressure flow vegetation protected slope scouring experiment device. The assembly-type pressure flow vegetation protected slope scouring experiment device comprises steel supports; an organic glass water tank is fixed on the steel supports; a hydraulic lifting table is arranged below the organic glass water tank, and is provided with slide rails; the bottom of a rail-type moving tank box is provided with rollers capable of rolling on the slide rails; a specimen groove box is arranged on the rail-type moving groove box; the bottom of the organic glass water tank is also provided with a bottom opening; the specimen groove box is provided with an upper opening; the shape of the bottom opening of the organic glass water tank is same as that of the upper opening of the specimen groove box, and the two openings are in butt joint tightly by bolts; one end of the organic glass water tank is also connected with a water exhaust pipe, and the other end of the organic glass water tank is sequentially connected with a transition water pipe, a pressure water pipe and a water intake pipe; the water intake pipe is connected with a water pump, and is also provided with a valve; the pressure water pipe is provided with an electromagnetic flow meter. The assembly-type pressure flow vegetation protection slope scouring experiment device provided by the utility model has the beneficial effects of allowing a slope protection grass sod specimen to be easily mounted or demounted.
Description
Technical field
The utility model belongs to slope protection device technical field, relates to a kind of assembled pressure flow slope vegetation protection scouring experiment device.
Background technology
The stability study of slope vegetation protection under current scour effect is long-standing.For the erosion attack effect of simulating riverway runoff to turf, it based on bed shear stress, to the traction effect of plant, is the principle that causes the direct reason of grassed slope destruction, owing to being difficult to reach the open channel steady flow of constant flow rate in testing laboratory, wash away turf, in order to show that the erosion-resisting characteristics index of dissimilar grassed slope under constant high speed water flow souring is as parameters such as anti-impact is lasted, bed shear stress, pressure head, drag velocities, and developed a kind of assembled pressure flow flushing device.
Utility model content
The purpose of this utility model is to provide a kind of assembled pressure flow slope vegetation protection scouring experiment device, solved the more difficult problem in installation and removal process of bank protection turf sample in slope vegetation protection water resistant stream flushing device.
The technical scheme that the utility model adopts is to comprise steel bracket, the fixing organic glass flume in steel bracket top, organic glass tank below is provided with hydraulic elevator platform, hydraulic elevator platform is provided with slide rail, rail type mobile groove box bottom is provided with roller, roller can roll on slide rail, on rail type mobile groove box, place sample groove box, organic glass bottom of gullet is also provided with bottom opening, sample groove box is provided with upper opening, the upper opening shape of the bottom opening shape of machine glass flume and sample groove box identical and by bolt by two opening closed butt joints, organic glass tank one end is also connected with drainpipe, the organic glass tank other end is connected with transition water pipe in turn, pressure pipe and water inlet pipe, water inlet pipe is connected with water pump, valve is also installed on water inlet pipe, electromagnetic flowmeter is installed on pressure pipe.
Further, between organic glass bottom of gullet opening and the junction of sample groove box upper opening, being also provided with rubber ring seals.
The beneficial effects of the utility model are easily installing/dismountings from slope vegetation protection water resistant stream flushing device of bank protection turf sample.
Accompanying drawing explanation
The structural representation of a kind of assembled pressure flow of Fig. 1 the utility model slope vegetation protection scouring experiment device;
The side intention of a kind of assembled pressure flow of Fig. 2 the utility model slope vegetation protection scouring experiment device;
Fig. 3 is the utility model sample groove box front elevation;
Fig. 4 is the utility model sample groove box side view;
Fig. 5 is the utility model sample groove box vertical view.
In figure, 1. steel bracket, 2. organic glass tank, 3. hydraulic elevator platform, 4. slide rail, 5. rail type mobile groove box, 6. roller, 7. sample groove box, 8. bolt, 9. drainpipe, 10. transition water pipe, 11. pressure pipes, 12. water inlet pipes, 13. water pumps, 14. valves, 15. electromagnetic flowmeters.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
The utility model as depicted in figs. 1 and 2, comprise steel bracket 1, organic glass flume 2 is fixed in steel bracket 1 top, organic glass tank 2 belows are provided with hydraulic elevator platform 3, hydraulic elevator platform 3 is provided with slide rail 4, rail type mobile groove box 5 bottoms are provided with roller 6, roller 6 can roll on slide rail 4, on rail type mobile groove box 5, place sample groove box 7, organic glass tank 2 bottoms are also provided with bottom opening, sample groove box 7 is provided with upper opening, the upper opening shape of the bottom opening shape of organic glass tank 2 and sample groove box 7 identical and by bolt 8 by two opening closed butt joints, organic glass tank 2 one end are also connected with drainpipe 9, organic glass tank 2 other ends are connected with transition water pipe 10 in turn, pressure pipe 11 and water inlet pipe 12, water inlet pipe 12 is connected with water pump 13, valve 14 is also installed on water inlet pipe 12, electromagnetic flowmeter 15 is installed on pressure pipe 11.
Further, between organic glass tank 2 bottom openings and the junction of sample groove box 7 upper openings, being also provided with rubber ring seals.
Before on-test, the required bank protection turf of culture experiment in the sample groove box 7 shown in Fig. 2 in advance, turf sample is placed in the draw-in groove of hydraulic elevator platform 3, draw-in groove slides to organic glass tank 2 bottom notch along the slide rail 4 placing in advance, open hydraulic elevator platform 3 rising switches, when turf sample rises to the gap position of organic glass tank 2, stop rising.Sample groove box 7 edges that turf is housed arrange rubber water-proof circle, sample groove box 7 top and organic glass tank 2 bottom interior wall edges are when same level, now, the cauline leaf part of turf sample stretches in organic glass tank 2 completely, and the soil layer surface of turf sample still flushes with the inner wall edge of organic glass bottom.Now, reverse the bolt 8 on sample groove box 7 edges, surrounding that turf is housed, as shown in Figure 3, itself and organic glass tank 2 are closely linked.After both are firm, open the decline switch of hydraulic elevator platform 3, draw-in groove is separated with sample groove box 7, and after draw-in groove playback, hydraulic elevator platform 3 stops declining.Treat that institute's test specimens installation is fixing complete, start test, open valve 14 handles before water inlet pipe 12, according to required water flow, the aperture of Open valve 14, required flow is measured by electromagnetic flowmeter 15.From current, be full of whole test unit and begin to stop to turf sample generation erosion damage, record scouring time.In process of the test, by being connected to the piezometric tube of bottom of device before and after sample section, measuring pressure flow and flow through and wash away the loss of flood peak after turf, the hydraulic parameters such as the bed shear stress when then calculating current and flowing through sample and drag velocity.In whole process of the test, adopt video camera to shoot with video-corder the destructive process of turf sample when having pressure steady flow to wash away simultaneously.
In order to overcome testing laboratory, be difficult to obtain stablizing the requirement that open channel high speed water flow washes away turf, the utility model device can provide the constant pressure water stream of flow rates 1.5～6.0m/s, detachable rail mounted hydraulic elevator platform 3 designs of this flushing device turf test section, can carry out washout test to dissimilar slope vegetation protection turf quickly and easily simultaneously.As shown in Figures 3 to 5, adopt detachable sample groove box 7, application rail mounted hydraulic lifting system effectively avoided causing due to 7 deadweights of sample groove box with organic glass tank 2 connection procedures in inconvenience, greatly saved time and the manpower of changing sample groove box 7.Adopt rubber water-proof pad sealing simultaneously, solved the gas leakage seepy question of device.This utility model is for dissimilar slope vegetation protection form, flow rates 1.5～the 6.0m/s of constant stable Wash flow can be provided, avoided Open Channel Steady Flow in laboratory to be difficult to provide the current of constant large flow velocity, the continuous process that bottom shear stress in the time of can effectively measuring turf generation erosion damage, drag velocity, scouring time and turf destroy.
The utility model has the advantages that time and manpower that save to change sample groove box, the process that makes to change sample groove box 7 is more convenient.Bed shear stress, drag velocity, limit velocity, anti-impact in the time of can measuring dissimilar slope vegetation protection and occur to destroy under constant current scour such as lasts at the key parameter, for the research of slope vegetation protection under current scour effect, provide effective scientific basis and technical support.The utility model belongs to slope vegetation protection field, is specifically a kind ofly to measure dissimilar grassed slope the device of erosion attack occurs under current scour effect.This device comprises service reservoir, water inlet pipe, water pump, test section, drainpipe and measurement equipment, experimental tank adopts organic glass sealing to make, cross section is rectangle, between test section and test sample groove box 7, adopt detachable interior mosaic texture, adopt the installation and removal of hydraulic elevator platform 3 auxiliary turf samples, and adopt bolt to fix.Because this installs easily detachability and constant high speed water flow can be provided, key water mechanics parameter bottom shear stress, drag velocity, limit velocity, the anti-impact in the time of can simply recording test turf and occur to destroy lasted etc.This device can effectively record the performance index that the anti-current scour of dissimilar grassed slope is corroded easily, has certain practical value.
Claims (2)
1. an assembled pressure flow slope vegetation protection scouring experiment device, it is characterized in that: comprise steel bracket (1), the fixing organic glass flume (2) in steel bracket (1) top, organic glass tank (2) below is provided with hydraulic elevator platform (3), hydraulic elevator platform (3) is provided with slide rail (4), rail type mobile groove box (5) bottom is provided with roller (6), roller (6) can be in the upper rolling of slide rail (4), the upper sample groove box (7) of placing of rail type mobile groove box (5), organic glass tank (2) bottom is also provided with bottom opening, sample groove box (7) is provided with upper opening, the upper opening shape of the bottom opening shape of machine glass flume (2) and sample groove box (7) identical and by bolt (8) by two opening closed butt joints, organic glass tank (2) one end is also connected with drainpipe (9), organic glass tank (2) other end is connected with transition water pipe (10) in turn, pressure pipe (11) and water inlet pipe (12), water inlet pipe (12) is connected with water pump (13), valve (14) is also installed on water inlet pipe (12), electromagnetic flowmeter (15) is installed on pressure pipe (11).
2. according to a kind of assembled pressure flow slope vegetation protection scouring experiment device described in claim 1, it is characterized in that: between described organic glass tank (2) bottom opening and the junction of sample groove box (7) upper opening, be also provided with rubber ring and seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420182674.3U CN203786115U (en) | 2014-04-16 | 2014-04-16 | Assembly-type pressure flow vegetation protected slope scouring experiment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420182674.3U CN203786115U (en) | 2014-04-16 | 2014-04-16 | Assembly-type pressure flow vegetation protected slope scouring experiment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203786115U true CN203786115U (en) | 2014-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420182674.3U Expired - Fee Related CN203786115U (en) | 2014-04-16 | 2014-04-16 | Assembly-type pressure flow vegetation protected slope scouring experiment device |
Country Status (1)
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| CN (1) | CN203786115U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105784526A (en) * | 2016-03-25 | 2016-07-20 | 广西交通科学研究院 | Measuring device for anti-erosion performance of cement concrete pavement surface layer and application method of measuring device |
| CN106092800A (en) * | 2016-08-08 | 2016-11-09 | 成都秦川科技发展有限公司 | Gas meter, flow meter valve gap, valve seat wear-resisting detection device |
| CN106370587A (en) * | 2016-10-12 | 2017-02-01 | 珠江水利委员会珠江水利科学研究院 | High-velocity water flow test unit for rock soil erosion resistance characteristic testing |
| CN113970476A (en) * | 2021-12-07 | 2022-01-25 | 中建东设岩土工程有限公司 | Pressurization type rock-soil bearing capacity testing device |
-
2014
- 2014-04-16 CN CN201420182674.3U patent/CN203786115U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105784526A (en) * | 2016-03-25 | 2016-07-20 | 广西交通科学研究院 | Measuring device for anti-erosion performance of cement concrete pavement surface layer and application method of measuring device |
| CN106092800A (en) * | 2016-08-08 | 2016-11-09 | 成都秦川科技发展有限公司 | Gas meter, flow meter valve gap, valve seat wear-resisting detection device |
| CN106092800B (en) * | 2016-08-08 | 2018-08-28 | 成都秦川物联网科技股份有限公司 | The wear-resisting detection device of gas meter, flow meter valve deck, valve seat |
| CN106370587A (en) * | 2016-10-12 | 2017-02-01 | 珠江水利委员会珠江水利科学研究院 | High-velocity water flow test unit for rock soil erosion resistance characteristic testing |
| CN106370587B (en) * | 2016-10-12 | 2023-12-01 | 珠江水利委员会珠江水利科学研究院 | High-speed water flow test device for rock-soil impact resistance test |
| CN113970476A (en) * | 2021-12-07 | 2022-01-25 | 中建东设岩土工程有限公司 | Pressurization type rock-soil bearing capacity testing device |
| CN113970476B (en) * | 2021-12-07 | 2024-01-12 | 中建东设岩土工程有限公司 | Pressurized rock-soil bearing capacity testing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 Termination date: 20150416 |
|
| EXPY | Termination of patent right or utility model |