CN105319157A - Device and method for simulating mechanism of reservoir bank side slope rock damage caused by rainfall, light and wind - Google Patents
Device and method for simulating mechanism of reservoir bank side slope rock damage caused by rainfall, light and wind Download PDFInfo
- Publication number
- CN105319157A CN105319157A CN201510780429.1A CN201510780429A CN105319157A CN 105319157 A CN105319157 A CN 105319157A CN 201510780429 A CN201510780429 A CN 201510780429A CN 105319157 A CN105319157 A CN 105319157A
- Authority
- CN
- China
- Prior art keywords
- illumination
- wind
- rock
- rainfall
- water
- 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.)
- Granted
Links
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses a device and a method for simulating a mechanism of reservoir bank side slope rock damage caused by rainfall, light and wind. The device comprises an artificial rainfall system, a lighting system and a base, wherein a water outlet is formed in the base; an experimental instrument casing is arranged on the base; the artificial rainfall system and the lighting system are respectively assembled with the experimental instrument casing through grooves; a sample bracket is arranged in the experimental instrument casing; rock sample plates are arranged on the sample bracket; fan blade wheels are mounted in the middle of the experimental instrument casing and on a screw rod; the screw rod is connected with a motor. Through adoption of the device and the method, rock damage cause by not only rainfall but also two kinds of natural erosion, namely light and wind, can be simulated, and convenience is provided for rock damage mechanism research.
Description
Technical field
The present invention relates to Geotechnical Engineering field, be specifically related to a kind of simulated rainfall, illumination, wind to the device and method of reservoir stability damage of rock mechanism.
Background technology
In Geotechnical Engineering field, especially in rock engineering, the rock of reservoir stability is in rain drop erosion, and sunlight irradiates, and under the acting in conjunction of wind erosion, the character of rock interior structure receives very large impact, makes rock receive damage.At present, existing simulation rainmaking reservoir landslide physical experiments equipment, can simulating reality situation preferably, and can collect test figure easily.But the impact that reservoir stability rock is subject to rainfall can not be simulated, and do not consider that illumination and wind-force are to the effect of soil and rock erosion.
Summary of the invention
The invention provides a kind of simulated rainfall, illumination, wind to the device and method of reservoir stability damage of rock mechanism, not only can simulated rainfall, can also illumination simulation and blow these two kinds of natural erosions to the damage of rock, for damage of rock study mechanism is provided convenience.
The technical solution adopted in the present invention is:
Simulated rainfall, illumination, wind are to a device for reservoir stability damage of rock mechanism, and comprise artificial rain system, illumination system, base, base is provided with freeing port.
Described artificial rain system comprises many water pipes, and the many mutual UNICOMs of water pipe, form square cell structure, water pipe is provided with shower nozzle, wherein a water pipe end is provided with water inlet, and water inlet supplies water needed for rainmaking to enter, and the end position of square cell structure is provided with the first groove.
Described illumination system comprises square grid framework, square grid framework is provided with many wires, and electric wire is connected with bulb, and many wires connect a bus, bus provides illumination for connecting outside supply line, and square grid frame ends position is provided with the second groove.
Base is provided with experiment instrument housing, and described artificial rain system, illumination system assemble respectively by the first groove, the second groove and experiment instrument housing.Be provided with sample holder in described experiment instrument housing, rock sample plate is placed in sample holder, is provided with fan blade at experiment instrument housing central section, and fan blade is arranged on screw rod, and screw rod connects motor.
Described many water pipes are arranged in parallel, and each root water pipe is provided with multiple shower nozzle, multiple shower nozzle cross-distribution.
Described many wires are arranged in parallel, and each wire installs multiple bulb, multiple bulb cross-distribution.
Described sample holder from top to bottom comprises successively: upper bracket unit, middle part bracket unit, lower tray unit, and described upper bracket unit, lower tray unit are equipped with screw thread.
Described rock sample plate comprises the rock sample Slab element of polylith area equation, and each block rock sample Slab element is provided with threaded hole, and rock sample plate is connected with sample holder by buckle, and then entirety puts into experiment instrument housing.
Described buckle comprises clip body, standing screw, nut, clip body two ends are fixedly connected with the first dop, the second dop respectively, concrete connected mode is: the first dop of buckle down, clip body upward, snap onto in the edge hole of rock sample Slab element, by the horizontal changing of the relative positions between this connected mode Control Assay bracket and rock sample plate.
Polylith rock sample Slab element is spliced into rock sample plate, and the splicing hole of a large circle will be reserved in centre, and screw rod passes from centre.
Described screw rod is telescopic hollow circular-tube, is connected and composed by first segment pipe, second section pipe, the 3rd pitch circle pipe.
The upper and lower holes place of described first segment pipe arranges telescoping mechanism respectively, and the lower opening place of second section pipe arranges telescoping mechanism.
Voltage table, slide rheostat is connected with between described bus and the supply line of outside.
A kind of simulated rainfall of the present invention, illumination, wind are to the device and method of reservoir stability damage of rock mechanism, and technique effect is as follows:
1), on the outer connected with water faucet of the water inlet of artificial rain system, the water needed for rainfall can be provided easily, and rainfall amount can be regulated by the size controlling water swivel.
2), between the bus of illumination system and the supply lines of outside being connected to voltage table, slide rheostat, by regulating slide rheostat, carrying out the total voltage of regulating illumination internal system, thus regulate the light levels of bulb, obtain different light intensity, the simulation low light level, the multiple situation such as high light.
3), described artificial rain system, illumination system, wind power system three can simulate separately, and also can be artificial rain system and wind power system, illumination system and wind power system be simulated jointly, work together.Meet the situation of nature exist actually completely.
4), many wires of illumination system connect a bus, and bus is connected in outside supply line, conveniently can provide illumination, and can by the bright-dark degree regulating the voltage of externally fed carry out regulating illumination.
Accompanying drawing explanation
Fig. 1 is artificial rain system's one-piece construction schematic diagram of the present invention.
Fig. 2 is illumination system one-piece construction schematic diagram of the present invention.
Fig. 3 is artificial rain system's plan structure schematic diagram of the present invention.
Fig. 4 is illumination system plan structure schematic diagram of the present invention.
Fig. 5 is the structural representation of rock sample plate of the present invention.
Fig. 6 is the structural representation of screw rod of the present invention;
Wherein: Fig. 6 (a) is screw rod scheme of installation;
Fig. 6 (b) is first segment circular tube structure schematic diagram;
Fig. 6 (c) is second section circular tube structure schematic diagram;
Fig. 6 (d) is the 3rd pitch circle tubular construction schematic diagram.
Fig. 7 is the structural representation of fan blade of the present invention.
Fig. 8 is the structural representation of sample holder of the present invention.
Fig. 9 is buckle structure schematic diagram of the present invention;
Fig. 9 (1) is buckle main part structural representation of the present invention;
Fig. 9 (2) is standing screw of the present invention, nut structure schematic diagram.
Figure 10 is telescoping mechanism structural representation of the present invention.
Wherein: 1-water pipe, 2-experiment instrument housing, 3-base, 4-shower nozzle, 5-freeing port, 6-rock sample, 7-first groove, 7 '-the second groove, 8-rock sample plate, 9-sample holder, 10-screw rod, 11-fan blade, 12-motor, 13-water inlet, 14-electric wire, 15-bulb, 16-bus, 17-buckle, 18-telescoping mechanism.
Embodiment
As shown in Fig. 1 ~ Figure 10, a kind of simulated rainfall, illumination, wind are to the device of reservoir stability damage of rock mechanism, and comprise artificial rain system, illumination system, base 3, base 3 is provided with freeing port 5.
Described artificial rain system comprises many water pipes 1, and many water pipe 1 UNICOMs mutually, form square cell structure, water pipe 1 is provided with shower nozzle 4, wherein a water pipe end is provided with water inlet 13, and water inlet 13 supplies water needed for rainmaking to enter, and the end position of square cell structure is provided with the first groove 7.
Described illumination system comprises square grid framework, square grid framework is provided with many wires 14, electric wire 14 is connected with bulb 15, and many wires 14 connect a bus 16, bus 16 provides illumination for connecting outside supply line, and square grid frame ends position is provided with the second groove 7 '.
Base 3 is provided with experiment instrument housing 2, and described artificial rain system, illumination system assemble with experiment instrument housing 2 respectively by the first groove 7, second groove 7 '.
Be provided with sample holder 9 in described experiment instrument housing 2, rock sample plate 8 is placed in sample holder 9, and experiment instrument housing 2 is by water white transparency, and comparatively hard glass is made.Sample holder 9, rock sample plate 8, rock sample 6 put into experiment instrument housing 2 from the top of experiment instrument housing 2.
In the middle part of experiment instrument housing 2, be provided with fan blade 11, fan blade 11 is arranged on screw rod 10, and screw rod 10 connects motor 12.
6 water pipes 1 are arranged in parallel, and each root water pipe are provided with 2 ~ 3 shower nozzles 4, multiple shower nozzle 4 cross-distribution.
6 wires 14 are arranged in parallel, and each wire install 2 ~ 3 bulbs 15, bulb 15 cross-distribution.
Sample holder 9 body height is 50mm.Described sample holder 9 from top to bottom comprises successively: upper bracket unit 9.1, middle part bracket unit 9.2, lower tray unit 9.3, and described upper bracket unit 9.1, lower tray unit 9.3 are equipped with screw thread.The progression of sample holder 9 can be selected according to the height of rock sample 6.
Described rock sample plate 8 comprises the rock sample Slab element of polylith area equation, and each block rock sample Slab element is provided with threaded hole 8.3, and outside housing, rock sample plate 8 is connected with sample holder 9 by threaded hole 8.3, buckle 17, and then entirety puts into experiment instrument housing 2.Until four pieces of rock sample Slab element are all put into.Threaded hole 8.3 above rock sample plate 8 and sample holder 9 link together, and be arranged to threaded hole and both connections can be made more firm.
Inner at experiment instrument housing 2, be stitched together by buckle 17 between each fritter rock sample Slab element, the first dop 17.1 snaps in edge hole 8.1.Described buckle 17 comprises clip body 17.2, standing screw 17.4, nut 17.5, clip body 17.2 two ends are fixedly connected with the first dop 17.1, second dop 17.3 respectively, concrete connected mode is: the first dop 17.1 of buckle 17 down, clip body 17.2 upward, snap onto in the edge hole 8.1 of rock sample Slab element, by the horizontal changing of the relative positions between this connected mode Control Assay bracket 9 and rock sample plate 8.
Edge hole 8.1 is because it is arranged on a lateral edges of each rock sample Slab element, shown in Fig. 5 is one block of large rock sample plate that the rock sample Slab element of four pieces little is spliced into, first dop 17.1, second dop 17.3 snaps onto in the edge hole 8.1 of the little rock sample plate of every block, is stitched together by the rock sample Slab element of two pieces little.By the horizontal changing of the relative positions between this connected mode Control Assay bracket 9 and rock sample plate 8.After connecting, the large rock sample plate of rock sample Slab element composition is just fixing, can not the horizontal changing of the relative positions.The not occurred level changing of the relative positions between rock sample plate, so upper bracket unit 9.1 and threaded hole 8.3 also can not the occurred level changing of the relative positions after connecting.
The rock sample Slab element of four pieces little is spliced into large rock sample plate, and the splicing hole 8.2 of a large circle will be reserved in centre, is to allow screw rod 10 pass from centre.
Described screw rod 10 is telescopic hollow circular-tube, is connected and composed by first segment pipe 10.1, second section pipe 10.2, the 3rd pitch circle pipe 10.3.
Voltage table, slide rheostat is connected with between described bus 16 and the supply line of outside.
The Telescopic of screw rod 10, the fixing of fan blade 11, realize by telescoping mechanism 18.Telescoping mechanism 18 is made up of two braces at two ends and a spring of centre, and the brace at two ends is connected on the hole of screw rod 10.
The upper and lower holes place of described first segment pipe 10.1 arranges telescoping mechanism 18 respectively, and the lower opening place of second section pipe 10.2 arranges telescoping mechanism 18.
Before the experiments, screw rod 10 is in contraction state, when rock sample plate 8, sample holder 9, and after rock sample 6 all puts into, first second section pipe 10.2 is pulled out, utilize the telescoping mechanism 18 of second section pipe 10.2 bottom, block the hole on the top of the 3rd pitch circle pipe 10.3, then will to take into enclosure interior from experiment instrument housing 2 outside with the supporting fan blade 11 of the 3rd pitch circle pipe 10.3, be enclosed within the 3rd pitch circle pipe 10.3, the telescoping mechanism 18 of recycling second section pipe 10.2 bottom, block fan blade 11, then first segment pipe 10.1 is pulled out, utilize the telescoping mechanism 18 of first segment pipe 10.1 bottom, block the hole on the top of second section pipe 10.2, and put the fan blade 11 corresponding to second section pipe 10.2, also can use the telescoping mechanism 18 on first segment pipe 10.1 top simultaneously, block the fan blade 11 corresponding to first segment pipe 10.1.Screw rod 10 and fan blade 11 directional rotating is driven by motor 12.Being connected to motor 12 below screw rod 10, by regulating the power of motor 12, controlling the speed that fan blade 11 rotates, thus the size of controlled wind speed.
Pipeline between the water inlet 13 of artificial rain system and outer connected with water faucet is connected to the instrument surveying water velocity, by controlling leading size of fetching boiling water, controls flow rate of water flow, thus can light rain be simulated, moderate rain, the several frequently seen multiple rainfall pattern such as heavy rain.
Being connected to voltage table and slide rheostat between the bus 16 of illumination system and the supply lines of outside, by regulating slide rheostat, carrying out the total voltage of regulating illumination internal system, thus regulate the light levels of bulb, obtain different light intensity, the simulation low light level, the multiple situation such as high light.
Artificial rain system, illumination system, wind power system three can simulate separately, and also can be artificial rain system and wind power system, illumination system and wind power system be simulated jointly, work together.Meet the situation of nature exist actually completely.
Claims (10)
1. a simulated rainfall, illumination, wind are to the device of reservoir stability damage of rock mechanism, comprise artificial rain system, illumination system, base (3), it is characterized in that, base (3) is provided with freeing port (5), described artificial rain system comprises many water pipes (1), many water pipe (1) UNICOMs mutually, form square cell structure, water pipe (1) is provided with shower nozzle (4), wherein a water pipe end is provided with water inlet (13), water inlet (13) supplies water needed for rainmaking to enter, and the end position of square cell structure is provided with the first groove (7); Described illumination system comprises square grid framework, square grid framework is provided with many wires (14), electric wire (14) is connected with bulb (15), many wires (14) connect a bus (16), bus (16) provides illumination for connecting outside supply line, and square grid frame ends position is provided with the second groove (7 ');
Base (3) is provided with experiment instrument housing (2), and described artificial rain system, illumination system assemble with experiment instrument housing (2) respectively by the first groove (7), the second groove (7 '); Sample holder (9) is provided with in described experiment instrument housing (2), rock sample plate (8) is placed in sample holder (9), be provided with fan blade (11) at experiment instrument housing (2) middle part, fan blade (11) is arranged on screw rod (10), and screw rod (10) connects motor (12).
2. according to claim 1 a kind of simulated rainfall, illumination, wind to the device of reservoir stability damage of rock mechanism, it is characterized in that, described many water pipes (1) are arranged in parallel, and each root water pipe are provided with multiple shower nozzle (4), multiple shower nozzle (4) cross-distribution.
3. according to claim 1 a kind of simulated rainfall, illumination, wind to the device of reservoir stability damage of rock mechanism, it is characterized in that, described many wires (14) are arranged in parallel, and each wire are installed multiple bulb (15), multiple bulb (15) cross-distribution.
4. according to claim 1 a kind of simulated rainfall, illumination, wind to the device of reservoir stability damage of rock mechanism, it is characterized in that, described sample holder (9) from top to bottom comprises successively: upper bracket unit (9.1), middle part bracket unit (9.2), lower tray unit (9.3), and (9.3) are equipped with screw thread for described upper bracket unit (9.1), lower tray unit.
5. according to claim 1 a kind of simulated rainfall, illumination, wind to the device of reservoir stability damage of rock mechanism, it is characterized in that, described rock sample plate (8) comprises the rock sample Slab element of polylith area equation, each block rock sample Slab element is provided with threaded hole (8.3), rock sample plate (8) is connected with sample holder (9) by buckle (17), and then entirety puts into experiment instrument housing (2).
6. a kind of simulated rainfall according to claim 5, illumination, wind is to the device of reservoir stability damage of rock mechanism, it is characterized in that, described buckle (17) comprises clip body (17.2), standing screw (17.4), nut (17.5), clip body (17.2) two ends are fixedly connected with the first dop (17.1) respectively, second dop (17.3), concrete connected mode is: first dop (17.1) of buckle (17) down, clip body (17.2) upward, snap onto in the edge hole (8.1) of rock sample Slab element, by the horizontal changing of the relative positions between this connected mode Control Assay bracket (9) and rock sample plate (8), polylith rock sample Slab element is spliced into rock sample plate (8), and splicing hole (8.2) will be reserved in centre, and screw rod (10) passes from centre.
7. according to claim 1 a kind of simulated rainfall, illumination, wind to the device of reservoir stability damage of rock mechanism, it is characterized in that, described screw rod (10) is telescopic hollow circular-tube, is connected and composed by first segment pipe (10.1), second section pipe (10.2), the 3rd pitch circle pipe (10.3).
8. according to claim 7 a kind of simulated rainfall, illumination, wind to the device of reservoir stability damage of rock mechanism, it is characterized in that, the upper and lower holes place of described first segment pipe (10.1) arranges telescoping mechanism (18) respectively, and the lower opening place of second section pipe (10.2) arranges telescoping mechanism (18).
9. a kind of simulated rainfall, illumination, wind, to the device of reservoir stability damage of rock mechanism, is characterized in that according to claim 1, are connected with voltage table, slide rheostat between described bus (16) and the supply line of outside.
10. adopt as described in claim 1 ~ 9 any one simulated rainfall, illumination, wind to the simulation rock micromechanism of damage method of the device of reservoir stability damage of rock mechanism, it is characterized in that, by regulating the power of motor (12), control the speed that fan blade (11) rotates, thus the size of controlled wind speed; Pipeline between the water inlet (13) of artificial rain system and outer connected with water faucet is connected to the instrument surveying water velocity, by controlling leading size of fetching boiling water, controls flow rate of water flow, thus can light rain be simulated, moderate rain, the several frequently seen multiple rainfall pattern of heavy rain; Being connected to voltage table, slide rheostat between the bus (16) of illumination system and the supply lines of outside, by regulating slide rheostat, carrying out the total voltage of regulating illumination internal system, thus regulate the light levels of bulb (15), obtain different light intensity, the simulation low light level, the multiple situation of high light; Artificial rain system, illumination system, wind power system three can simulate separately, or artificial rain system and wind power system, and illumination system and wind power system simulate the situation meeting nature exist actually completely jointly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510780429.1A CN105319157B (en) | 2015-11-13 | 2015-11-13 | A kind of simulated rainfall, illumination, wind are to the device of reservoir stability damage of rock mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510780429.1A CN105319157B (en) | 2015-11-13 | 2015-11-13 | A kind of simulated rainfall, illumination, wind are to the device of reservoir stability damage of rock mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105319157A true CN105319157A (en) | 2016-02-10 |
| CN105319157B CN105319157B (en) | 2019-02-12 |
Family
ID=55247022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510780429.1A Active CN105319157B (en) | 2015-11-13 | 2015-11-13 | A kind of simulated rainfall, illumination, wind are to the device of reservoir stability damage of rock mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105319157B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112665947A (en) * | 2021-01-13 | 2021-04-16 | 中国科学院西北生态环境资源研究院 | Acoustic monitoring device and method for rock damage in freeze-thaw-dry-wet environment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3928130C2 (en) * | 1989-08-25 | 1998-01-08 | Max Prof Dr Rer Nat Dr Setzer | Method and arrangement for testing the frost-thaw resistance and / or the frost-thaw salt resistance of a solid |
| CN201615870U (en) * | 2010-01-21 | 2010-10-27 | 三峡大学 | Experimental instrument simulating water-rock interaction mechanism in reservoir water pressure state |
| CN102934596A (en) * | 2012-12-10 | 2013-02-20 | 中国科学院武汉岩土力学研究所 | Artificial climate system for soil-vegetation-atmosphere continuous system model test |
| CN103792333A (en) * | 2013-12-05 | 2014-05-14 | 中国矿业大学 | Real-time tester for multi-environment simulated rock disaggregation process |
| CN105021778A (en) * | 2015-07-30 | 2015-11-04 | 广东电网有限责任公司电力科学研究院 | Climate simulation device |
-
2015
- 2015-11-13 CN CN201510780429.1A patent/CN105319157B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3928130C2 (en) * | 1989-08-25 | 1998-01-08 | Max Prof Dr Rer Nat Dr Setzer | Method and arrangement for testing the frost-thaw resistance and / or the frost-thaw salt resistance of a solid |
| CN201615870U (en) * | 2010-01-21 | 2010-10-27 | 三峡大学 | Experimental instrument simulating water-rock interaction mechanism in reservoir water pressure state |
| CN102934596A (en) * | 2012-12-10 | 2013-02-20 | 中国科学院武汉岩土力学研究所 | Artificial climate system for soil-vegetation-atmosphere continuous system model test |
| CN103792333A (en) * | 2013-12-05 | 2014-05-14 | 中国矿业大学 | Real-time tester for multi-environment simulated rock disaggregation process |
| CN105021778A (en) * | 2015-07-30 | 2015-11-04 | 广东电网有限责任公司电力科学研究院 | Climate simulation device |
Non-Patent Citations (2)
| Title |
|---|
| 吴启堂: "《环境土壤学》", 30 June 2011, 中国农业出版社 * |
| 李新平 等: "冻融荷载耦合作用下单裂隙岩体损伤模型研究", 《岩石力学与工程学报》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112665947A (en) * | 2021-01-13 | 2021-04-16 | 中国科学院西北生态环境资源研究院 | Acoustic monitoring device and method for rock damage in freeze-thaw-dry-wet environment |
| CN112665947B (en) * | 2021-01-13 | 2022-12-20 | 中国科学院西北生态环境资源研究院 | Acoustic monitoring device and method for rock damage in freeze-thaw-dry-wet environment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105319157B (en) | 2019-02-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101110374B1 (en) | Eco-friendly pergola | |
| CN103461232A (en) | Testing device and testing method for testing environmental preference behavior of fish | |
| CN104459071B (en) | The simulation system of regulation and control wawter bloom of meeting an urgent need under changing environment and operation method | |
| CN204435306U (en) | A kind of simulation tailing dam ecological revetment system | |
| CN204429585U (en) | A kind of Green Landscape fountain | |
| CN207211811U (en) | A kind of ecological, environmental protective building | |
| CN204922806U (en) | Lawn lamp | |
| CN111068948A (en) | Automatic needle tubing formula artificial rainfall simulation device of control | |
| CN205910180U (en) | Artificial rainfall simulation analog system | |
| CN205027744U (en) | Side slope vegetation hydrological effect model | |
| CN204461711U (en) | Local ground watering flow field Three Dimensional Dynamic Simulation testing table | |
| CN105319157A (en) | Device and method for simulating mechanism of reservoir bank side slope rock damage caused by rainfall, light and wind | |
| CN204008636U (en) | A kind of Portable manual rainfall simulator | |
| CN107926374B (en) | A kind of multifunctional all experiment shed | |
| CN104303890B (en) | A kind of quick combined type ramping constraints stereo greening apparatus and its application method | |
| CN205262928U (en) | Rainfall simulation , illumination, wind harm device of mechanism to bank slopes rock | |
| CN209330811U (en) | A kind of park maintenance automatic irrigation device | |
| CN203977456U (en) | A kind of cable tunnel multifunctional examining well | |
| CN206667433U (en) | A kind of efficiently floating type inlet for stom water water fetching device | |
| CN105242010A (en) | Device and method for testing swelling-shrinkage soil tunnel model under effect of dry-wet circles | |
| CN108901469A (en) | A kind of community's road scaffolding system for vegetable growing | |
| CN204537603U (en) | A kind of urban waterlogging inlet for stom water apparatus for demonstrating | |
| CN207022779U (en) | A kind of photovoltaic generation hybrid system integrated with water saving irrigation facility | |
| CN207213914U (en) | A kind of garden landscape lamp with precipitation measurement function | |
| KR101204043B1 (en) | Indirect water intaking system of sump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |