CN114047114A - Outdoor portable artificial rainfall simulation device - Google Patents
Outdoor portable artificial rainfall simulation device Download PDFInfo
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- CN114047114A CN114047114A CN202111339494.2A CN202111339494A CN114047114A CN 114047114 A CN114047114 A CN 114047114A CN 202111339494 A CN202111339494 A CN 202111339494A CN 114047114 A CN114047114 A CN 114047114A
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- pipeline
- spray head
- water conveying
- conveying pipeline
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- 238000004088 simulation Methods 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 72
- 239000007921 spray Substances 0.000 claims abstract description 49
- 238000005507 spraying Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 description 11
- 238000004162 soil erosion Methods 0.000 description 4
- 238000007792 addition Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000167880 Hirundinidae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
- G01N3/567—Investigating resistance to wear or abrasion by submitting the specimen to the action of a fluid or of a fluidised material, e.g. cavitation, jet abrasion
Abstract
The invention discloses an outdoor portable artificial rainfall simulation device, which comprises a vertical water conveying pipeline, a three-way joint and a horizontal water conveying pipeline, wherein the horizontal water conveying pipeline is connected with the vertical water conveying pipeline through the three-way joint; each branch pipeline is provided with a valve and a spray head, the first spray head, the third spray head, the second spray head and the fourth spray head are respectively connected through connecting rods, the two connecting rods are arranged in parallel, and the two connecting rods are connected with a motor through a reciprocating rocker arm pull rod; the motor is fixed on a flat plate, and the flat plate is fixed on a horizontal water pipeline. The invention is suitable for various outdoor terrains, has good rainfall uniformity and light weight, and is convenient to move, disassemble and assemble.
Description
Technical Field
The invention relates to an artificial rainfall device, in particular to an outdoor portable artificial rainfall simulation device.
Background
Soil erosion damages the land, swallows the farmland, aggravates flood disasters and has serious influence on high-quality development of ecological civilization construction. And (3) monitoring the water loss and soil erosion, accurately mastering the water loss and soil erosion conditions under various terrain conditions and at different rains and intensities, and taking targeted measures to effectively control the water loss and soil erosion.
In order to accurately monitor the water and soil loss during rainfall, a rainfall simulation test is often performed by adopting an artificial rainfall device. The existing artificial rainfall erosion related tests in China can be roughly divided into two types, namely field in-situ tests and indoor simulation tests, wherein the field in-situ tests account for about 40%, the indoor simulation tests account for about 60%, and most of test instruments cannot be used under field conditions. The indoor artificial rainfall simulation device is expensive, large in size, heavy, difficult to load, unload and transport, particularly greatly influenced by external factors and terrain conditions, and has the advantages of being easy to carry and install and the like compared with an outdoor portable artificial rainfall simulation device.
The existing outdoor portable artificial rainfall simulation device has the defect that the rainfall intensity is not adjustable; some have poor adaptability to the topography, when the ground is in certain slope, the device is unstable, and shower nozzle spray angle is unadjustable, and some rainfall area is too little to reach outdoor test's requirement. The device can not be well adapted to the complicated field test environment, and causes irreversible error influence on the manual rainfall simulation test.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide an outdoor portable artificial rainfall simulation device which is stable in structure, adjustable in spray angle of a spray head and capable of better adapting to a complex test environment in the field.
In order to solve the problems in the prior art, the technical scheme adopted by the invention is as follows:
the outdoor portable artificial rainfall simulation device comprises a vertical water conveying pipeline, a three-way joint and a horizontal water conveying pipeline, wherein the horizontal water conveying pipeline is connected with the vertical water conveying pipeline through the three-way joint, four branch pipelines are arranged on one side of the horizontal water conveying pipeline in parallel, the lengths of the first branch pipeline and the third branch pipeline are the same, the lengths of the second branch pipeline and the fourth branch pipeline are the same, and the lengths of the first branch pipeline and the third branch pipeline are different from the lengths of the second branch pipeline and the fourth branch pipeline; each branch pipeline is provided with a valve and a spray head, the first spray head, the third spray head, the second spray head and the fourth spray head are respectively connected through connecting rods, the two connecting rods are arranged in parallel, and the two connecting rods are connected with a motor through a reciprocating rocker arm pull rod; the motor is fixed on a flat plate, the flat plate is fixed on a horizontal water conveying pipeline, and a balancing device is installed at the lower part of the vertical water conveying pipeline.
Further, the nozzle is an upward-spraying nozzle, the spraying height is more than 10m, and raindrops fall at an initial speed of 0.
Further, the balancing device is a telescopic tripod.
Furthermore, the motor is a variable frequency motor, and the swing frequency of the water spraying device is adjusted through a speed regulator.
Furthermore, the vertical water conveying pipeline, the three-way joint, the horizontal water conveying pipeline and the branch pipeline are all made of PVC materials.
Furthermore, the vertical water conveying pipeline is split and consists of at least two sections of pipelines, and the two adjacent sections of pipelines are connected through PVC loose joints.
Furthermore, a pressure gauge and a flow meter are installed at the water inlet of the vertical water conveying pipeline.
The invention has the advantages and beneficial effects that:
the invention relates to an outdoor portable artificial rainfall simulation device which comprises a vertical water conveying pipeline, a three-way joint and a horizontal water conveying pipeline connected with the vertical water conveying pipeline through the three-way joint, wherein the horizontal water conveying pipeline is connected with four upward spraying type spray heads, the four spray heads are connected with a motor through a connecting rod, and the spray heads are driven to swing left and right through the reciprocating motion of the motor. Because the horizontal water pipe is provided with four upward spraying type spray heads, the spraying height reaches more than 10m, raindrops freely fall at 0 initial speed after reaching a certain height in the air, and the formed rainfall is similar to natural rainfall. The lower part of the vertical water pipeline is provided with a balancing device which is composed of a telescopic tripod, the device is more stable by adjusting the angle and the height of the tripod, the slope angle and the spray nozzle spraying angle can be adjusted at will according to the terrain, and the device is suitable for various outdoor terrains. A variable frequency motor is arranged on a flat plate above the horizontal water conveying pipeline, the motor pushes a connecting rod to drive a spray head to do reciprocating motion, the rainfall uniformity is improved, and the diameter of raindrops can be changed through different swinging frequencies. The spray heads are arranged in a quadrilateral mode, and the effective rainfall range is expanded. Because the vertical water conveying pipeline, the three-way joint and the horizontal water conveying pipeline are all mainly made of PVC pipes, the water-saving device is economical in price, light in weight, convenient to carry, strong in operability and convenient to move, disassemble and assemble. Compared with similar equipment, the energy consumption is greatly reduced.
Drawings
The invention is described in further detail below with reference to the accompanying drawings:
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
fig. 3 is a top view of the present invention.
In the figure: the device comprises a vertical water pipe 1, a three-way joint 2, a horizontal water pipe 3, a valve 4, a spray head 5, a connecting rod 6, a motor 7, a flat plate 8, a PVC loose joint 9, a telescopic tripod 10, a pressure gauge 11, an elbow 12, a flowmeter 13, a reciprocating rocker arm pull rod 14, a cross rod 15, a short vertical pipe 16, a branch pipe 31, a branch pipe 32, a branch pipe 33 and a branch pipe 34.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the embodiments of the present invention clearer, the following detailed description is made with reference to the accompanying drawings and specific embodiments. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
as shown in fig. 1 and 3, the outdoor portable artificial rainfall simulation device of the present invention comprises a vertical water pipe 1, a three-way joint 2 and a horizontal water pipe 3, wherein the horizontal water pipe 3 is connected with the vertical water pipe 1 through the three-way joint 2, one side of the horizontal water pipe 3 is connected with four branch pipes 31, 32, 33 and 34, and the two branch pipes 31 and 34 at the two ends are respectively connected with the two ends of the horizontal water pipe 3 through an elbow 12; the two branch pipelines 32 and 33 positioned in the middle are respectively connected with the middle part of the horizontal water pipeline 3 through a three-way pipe; the branch ducts 31 and 33 have the same length, the branch ducts 32 and 34 have the same length, and the branch ducts 31 and 33 have a length longer than that of the branch ducts 32 and 34. Each branch pipeline is provided with a valve 4 and a spray head 5. The shower nozzle and valve all are provided with the internal thread, use and carry out threaded connection with shower nozzle and valve to the silk. The four nozzles form a parallelogram. The spray head is a common irrigation spray head, and a movable shaft is arranged at the tail part of the spray head, so that the spray head can rotate 360 degrees under the action of water pressure. The spray head is fixed on the branch pipeline and the nozzle of the spray head faces upwards, namely the upward spraying type spray head is obtained, the spraying height is more than 10m, and raindrops fall at 0 initial speed. The tops of the first and the third spray heads 5 are connected with two ends of one connecting rod 6, the tops of the second and the fourth spray heads 5 are connected with two ends of the other connecting rod 6, the two connecting rods 6 are arranged in parallel, the two connecting rods are connected through a cross rod 15, and the cross rod 15 is connected with the motor 7 through a reciprocating rocker arm pull rod 14; by utilizing the rotatability of the spray head 5, when the motor rotates, the reciprocating rocker arm pull rod 14 connected with the motor pushes the connecting rod 6 to do transverse reciprocating motion through the cross rod 15, so as to drive the spray head connected with the connecting rod to do transverse reciprocating swing, and the water flow sprayed by the spray head swings in a fan-shaped reciprocating manner. The motor 7 is installed on a motor fixing support, the motor fixing support is fixed on the flat plate 8 through bolts, the flat plate 8 is located between the connecting rod 6 and the branch pipeline, and the lower surface of the flat plate 8 is fixed on the horizontal water pipeline 3, the branch pipeline 31 and the branch pipeline 33 through a supporting device. The length of the flat plate covers the horizontal water pipeline, and the width of the flat plate is the distance from the horizontal water pipeline 3 to the reciprocating rocker arm pull rod 14. The motor 7 is a variable frequency motor, and the swinging frequency of the spray head is adjusted through a speed regulator. The vertical water pipe 1, the three-way joint 2, the horizontal water pipe 3, the branch pipes, the elbow 12 and the short vertical pipe 16 are all made of PVC materials.
The vertical water pipe 1 is provided with a telescopic tripod 10 as a support system, the diameter of the head of the telescopic tripod is consistent with that of the vertical water pipe, and the vertical water pipe is inserted into the orifice of the head of the telescopic tripod and is fixed by glue. According to the local terrain conditions, the inclination degree of the whole device and the angle of the spray head are changed to a proper position by adjusting the angles of the three supporting legs of the telescopic tripod and the ground and the lengths of the three telescopic supporting legs, and then the device is locked by utilizing the staple bolts on the supporting legs of the telescopic tripod, so that the purposes of adjusting the slope angle of the device and the ground and the spray angle of the spray head are achieved.
And a pressure gauge 11 and a flow meter 13 are arranged at the water inlet of the vertical water pipeline 1.
Example 2:
as shown in fig. 2, the present embodiment is different from embodiment 1 only in that: the vertical water pipeline 1 is split and comprises at least two sections of pipelines, and the two adjacent sections of pipelines are connected through a PVC loose joint 9, so that the vertical water pipeline is convenient to disassemble, and the rest is the same as the embodiment 1.
Example 3:
as shown in fig. 2, five short vertical pipes 16 are used as the supporting device in this embodiment, wherein two short vertical pipes are arranged below the flat plate on one side of the horizontal water pipeline, the top ends of the two short vertical pipes are bonded to the lower surface of the flat plate 8, and the bottom ends of the two short vertical pipes are inserted into and fixed to a tee fitting on the horizontal water pipeline 3; a short vertical pipe is arranged corresponding to the branch pipe 31, the top end of the short vertical pipe is bonded on the lower surface of the flat plate 8, and the bottom end of the short vertical pipe is inserted into a tee joint sleeved on the branch pipe 31 and fixed; the other short vertical pipe is arranged corresponding to the branch pipe 33, the top end of the short vertical pipe is bonded on the lower surface of the flat plate 8, and the bottom end of the short vertical pipe is inserted into a tee joint sleeved on the branch pipe 33 and fixed; the last short vertical pipe is arranged corresponding to the area where the motor is located, the top end of the short vertical pipe is bonded to the lower surface of the flat plate 8 in the area where the motor is located, and the bottom end of the short vertical pipe is bonded and fixed to the pipe wall of the third spray head. The upper ends of five short vertical tubes are sealed and do not flow through water, and the rest is the same as the embodiment 1.
The working principle of the outdoor portable artificial rainfall simulation device is as follows:
the telescopic tripod 10 is fixed, the spraying elevation angle and the spraying distance of the sprayer are determined, the variable frequency motor 7 is turned on, the motor 7 drives the sprayer 5 to reciprocate within a certain swing range through the connecting rod 6, so that raindrops in different forms are formed under the action of air resistance when the high-pressure water column sprayed to the air descends, and the characteristics of the raindrops are similar to those of natural rainfall. In the rainfall process, rainfall parameters, raindrop characteristics and rainfall areas can be changed by changing the combination mode of the spray heads, the number of the spray heads, the frequency of the variable frequency motor, the diameter of a cam shaft of the motor and the elevation angle of the spray heads.
While the preferred embodiments of the present invention have been illustrated and described, it will be appreciated by those skilled in the art that various modifications and additions may be made to the specific embodiments described and illustrated, and such modifications and additions are intended to be covered by the scope of the present invention.
Claims (7)
1. Outdoor portable artificial simulation rainfall device, its characterized in that: the water supply device comprises a vertical water conveying pipeline (1), a three-way joint (2) and a horizontal water conveying pipeline (3), wherein the horizontal water conveying pipeline (3) is connected with the vertical water conveying pipeline through the three-way joint (2), four branch pipelines are arranged on one side of the horizontal water conveying pipeline (3) in parallel, the lengths of the first branch pipeline and the third branch pipeline are the same, the lengths of the second branch pipeline and the fourth branch pipeline are the same, and the lengths of the first branch pipeline and the third branch pipeline are different from the lengths of the second branch pipeline and the fourth branch pipeline; each branch pipeline is provided with a valve (4) and a spray head (5), the first spray head, the third spray head, the second spray head and the fourth spray head are respectively connected through a connecting rod (6), the two connecting rods are arranged in parallel, and the two connecting rods are connected with a motor (7) through a reciprocating rocker arm pull rod (14); the motor (7) is fixed on the flat plate (8), the flat plate (8) is fixed on the horizontal water conveying pipeline (3), and the balance device is installed on the lower portion of the vertical water conveying pipeline (1).
2. The portable artificial rainfall simulation device of claim 1, wherein: the spray head is an upward-spraying type spray head, the spraying height is more than 10m, and raindrops fall at an initial speed of 0.
3. The portable artificial rainfall simulation device of claim 1, wherein: the balancing device is a telescopic tripod (10).
4. The portable artificial rainfall simulation device of claim 1, wherein: the motor (7) is a variable frequency motor, and the swing frequency of the water spraying device is adjusted through a speed regulator.
5. The portable artificial rainfall simulation device of claim 1, wherein: the vertical water conveying pipeline (1), the three-way joint (2), the horizontal water conveying pipeline (3) and the branch pipelines are all made of PVC materials.
6. The portable artificial rainfall simulation device of claim 1, wherein: the vertical water conveying pipeline (1) is split and consists of at least two sections of pipelines, and the two adjacent sections of pipelines are connected through a PVC loose joint (9).
7. The portable artificial rainfall simulation device of claim 1, wherein: the water inlet of the vertical water pipe (1) is provided with a pressure gauge (11) and a flow meter (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111339494.2A CN114047114B (en) | 2021-11-12 | 2021-11-12 | Outdoor portable artificial rainfall simulation device |
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| CN202111339494.2A CN114047114B (en) | 2021-11-12 | 2021-11-12 | Outdoor portable artificial rainfall simulation device |
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| CN114047114A true CN114047114A (en) | 2022-02-15 |
| CN114047114B CN114047114B (en) | 2023-11-03 |
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