CN102788665B - Super-huge type multi-layer full-automatic sliding swing rainfall test device - Google Patents
Super-huge type multi-layer full-automatic sliding swing rainfall test device Download PDFInfo
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Abstract
The invention discloses a super-huge type multi-layer full-automatic sliding swing rainfall test device, which comprises a PLC (programmable logic controller) full-automatic control system, a base, a main column, a plurality of lateral branch pipes distributed along the main column at vertical intervals and a sliding swing mechanism. The main column is a main water supply pipe, each branch pipe is connected with the main column through a rocker arm in a swinging mode is and provided with a plurality of catapulting drop type spray nozzles which can spray discontinuous water drops with diameter of 0.5 to 4.5 mm; a driving device of the sliding swing mechanism drives a upper push-pull rod and a lower push-pull rod to ascend and descend, the upper push-pull rod and the lower push-pull rod drives each branch pipe to make horizontal arc swing in a range of 30 degrees upwards to 45 degrees downwards under the traction of the rocker arms through push-pull connecting rods, so that a vertical component and a horizontal component of the rainfall reach the technical requirements of the military standard and the national standard. The super-huge type multi-layer full-automatic sliding swing rainfall test device is particularly suitable for rainfall tests of large-scale devices, high-voltage devices, military devices, sky weapons and the like.
Description
Technical field
The present invention relates to environmental test art, refer in particular to a kind of super-huge multilayer Full-automatic slide pendulum-type rain test equipment being supplied to main equipment, high-tension apparatus, military equipment, empty sky weapon.
Background technology
Along with the emergence of the advanced manufacturing industry of Chinese independent research, export volume increases day by day, and should meet international standards to the quality requirements of product; Simultaneously the advanced military equipment of China, empty sky weapon are also in positive research and development with produce.The said equipment and equipment by strict environmental simulation test, just must can dispatch from the factory after reaching standard or equip army.
In view of the foregoing, country, for the salt fog test of equipment and equipment, has formulated army's mark and GB, has now been listed below:
People's Republic of China's GJB:
GJB1501A-2009 military hardware laboratory environment test method Part I: General Requirement;
GJB1508A-2009 military hardware laboratory environment test method the 8th part: salt fog test;
GJB15022A-2009 military hardware laboratory environment test method the 22nd part: accumulated ice/ice rain test;
National Standard of the People's Republic of China:
The requirement of GB/T16927.1-1997 high-voltage test techniques Part I ordinary test;
GB/T2423.3-2006/IEC60068-2-78:2001 electric and electronic product environmental test part 2: test method test Cab: steady-state damp heat test;
GB/T5170.5-2008 electric and electronic product environmental test equipment method of inspection damp heat test equipment;
GB/T5170.5-2008 electric and electronic product environmental test equipment method of inspection damp heat test equipment;
GB/T10586.1-2006 moisture-heat test-box technical conditions.
Comprehensive above-mentioned standard, the technical requirement of salt fog test is as follows:
According to above-mentioned standard, current China does not also have a kind ofly to carry out the equipment of salt fog test to main equipment, equipment, only has small-sized rain test chamber or small-sized oscillating rod type to drench with rain device.Cannot meet main equipment, the requirement of equipping the every test condition by army's mark, GB.
Summary of the invention
The fundamental purpose of the present invention is to provide a kind of super-huge multilayer Full-automatic slide pendulum-type rain test equipment, it can reach the test condition of army's mark and GB, the salt fog test of main equipment, high-tension apparatus, military equipment, empty sky weapon etc. can be supplied to, thus overcome the deficiencies in the prior art.
For achieving the above object, the present invention adopts following technical scheme:
A kind of super-huge multilayer Full-automatic slide pendulum-type rain test equipment, include PLC full-automatic control system, base, head tree and a plurality of horizontal branching pipe along the distance distribution between the upper and lower of this head tree, this base is arranged with the castor being convenient to movable base, this head tree is installed on base, head tree is main-supply, water branches to each branching pipe through this head tree, each branching pipe is pivotably connected in head tree by rocking arm, and each branching pipe is provided with a plurality ofly sprays the bullet drip spray spout that diameter is the discontinuous globule of 0.5 ~ 4.5mm; And, each branching pipe is provided with sliding mechanism, this sliding mechanism includes drive unit, upper lower push-pull bar, push-and-pull connecting rod, slide guide track and slide block, this slide guide track is arranged on head tree, this slide block is installed on upper and lower slippage in slide guide track, upper lower push-pull bar is connected to this slide block, the two ends of this push-and-pull connecting rod respectively with this branching pipe and upper lower push-pull bar pivot joint, this drive unit drives the lifting of upper lower push-pull bar, upper lower push-pull bar by push-and-pull connecting rod drive branching pipe under the traction of rocking arm from level up 30 degree down do circular swing motion in the scope of 45 degree.
Preferably, described bullet drip spray spout includes nozzle body and shower nozzle, and this nozzle body, built with silica gel draw-tube, the tube wall of nozzle body is provided with pore, and the inlet opening diameter of nozzle body front end is 0.2mm; Spring and micelle valve are equipped with in this shower nozzle inside, and the injection diameter of shower nozzle is 0.4mm, when intake pressure reaches 2kg/cm
2and time above, micelle valve can be opened, the water in silica gel draw-tube to be hit by a bullet injection from the spray orifice that diameter is 0.4mm, and formation diameter is the globule of 0.5 ~ 4.5mm.
Preferably, described head tree is communicated in each branching pipe by steel wire soft rubber tube.
Preferably, described upper lower push-pull bar is multi-segment structure, and include plural section montant and be connected to the joint cross bar between adjacent two sections of montants, each joint cross bar is connected to slide block by straight beam.
Preferably, described push-and-pull connecting rod is two, and their lower end is articulated on aforementioned joint cross bar, and the pivoting point of upper end and branching pipe is distributed in the both sides of aforementioned rocking arm and branching pipe pivoting point.
Preferably, described PLC full-automatic control system includes PLC, variable frequency pump, frequency conversion oil pump, oil cylinder and oil cylinder stroke switch, supply water to each branching pipe by this variable frequency pump, oil cylinder is aforementioned drive unit, on this, lower push-pull bar lower end is connected to the output piston bar of oil cylinder, oil cylinder is connected to this frequency conversion oil pump, and this PLC is electrically connected on this variable frequency pump, frequency conversion oil pump and oil cylinder stroke switch.
Preferably, be provided with variable-frequency motor in described frequency conversion oil pump, under the control of PLC, the rotation speed change of motor, oil mass and the oil-feed pressure of oil pump change thereupon, and the rising or falling speed of upper lower push-pull bar changes thereupon.
Preferably, described variable frequency pump is that it exports under PLC controls hydraulic pressure and flow change and make the amount of drenching with rain reach army's mark and the variable frequency pump of Standard.
Preferably, described base is provided with a plurality of hooks arranged around this head tree, the upper end of head tree is connected by complex root oblique pull wire rope leads in each hook.
The present invention compared with prior art has obvious advantage and beneficial effect, specifically, can conclude following several aspect by technique scheme:
One, it is by arranging a plurality of horizontal branching pipe along the head tree as main-supply, not only simplify water-supply structure, and Multi-layer sprinkling effect can be formed, make the present invention obtain great spray scope, be particularly suitable for the salt fog test of some main equipments, high-tension apparatus, military equipment, empty sky weapon etc.;
Two, it utilizes each branching pipe of sliding mechanism urges of particular design under the traction of rocking arm, make the motion that teeters of arc line type, and in conjunction with the bullet drip spray spout of particular design; This kind of oscillating motion mode can make the spray direction of the branching pipe top nozzle of multilayer from level up 30 degree down swing in the scope of 45 degree, and the raindrop playing the ejection of drip spray spout are discontinuous, thus making the vertical component of drenching with rain and horizontal component reach the technical requirement of army's mark and GB, raindrop diameter changes within the scope of 0.5 ~ 4.5mm;
Three, its variable frequency pump adopting particular design PLC to control and frequency conversion oil pump hydraulic technique, make water supply flow, pressure changes by setup parameter, make the stroke of sliding mechanism, slew rate, the amplitude of oscillation, the amount of drenching with rain, raindrop size variation etc. of rain system all can change by setup parameter, and Automatic Control, pilot time slot interval can be set, reach army's mark, Standard;
Four, originally drench with rain under plant bottom case and fill castor, can singly overlap independent use, also can overlap cluster combination more, program control salt fog test can be carried out to large equipment and equipment, reach army's mark and GB to every technical requirement of rain test equipment.
For more clearly setting forth architectural feature of the present invention, technological means and the specific purposes reached thereof and function, below in conjunction with accompanying drawing and specific embodiment, the present invention is described in further detail:
Accompanying drawing explanation
Fig. 1 is the overall package schematic perspective view of the embodiment of the present invention.
Fig. 2 is the partial structurtes zoomed-in view of base, drive unit and PLC control system etc. in the embodiment of the present invention.
Fig. 3 is the partial structurtes zoomed-in view of branching pipe in the embodiment of the present invention, sliding mechanism.
Accompanying drawing identifier declaration:
10, base 11, hook
12, castor 20, head tree
21, rocker arm support 22, slide guide track
23, slide block 30, branching pipe
31, steel wire soft rubber tube 32, bullet drip spray spout
33, Rocker arm 40, sliding mechanism
41, drive unit 42, upper lower push-pull bar
421, montant 422, joint cross bar
43, push-and-pull connecting rod 50, PLC full-automatic control system
51, PLC 52, frequency conversion oil pump
53, oil cylinder stroke switch 60, wire rope
71, water disposal facility 72, water tank
73, variable frequency pump
Embodiment
Please refer to shown in Fig. 1 to Fig. 3, that show the concrete structure of the preferred embodiment of the present invention, include base 10, head tree 20, a plurality of horizontal branching pipe 30, sliding mechanism 40 and PLC full-automatic control system 50.
Wherein, four angles of this base 10 are respectively provided with a wire rope hook 11, its effect moulds bag wire rope 60 by four that get off from head tree 20 top oblique pull to reinforce, and increases the steadiness of head tree 20, produces shake phenomenon when avoiding this equipment to run.And be preferably also provided with universal caster wheel 12 below four angles of base 10, its effect makes originally to drench with rain equipment moving conveniently; Can area, the volume size of test specimen be subject to according to difference, become a display by overlapping above-mentioned cluster tool of drenching with rain more easily simultaneously, carry out salt fog test to large-scale, multiple by test specimen.
This head tree 20 is the main-supply of this equipment, for being embodied as the water passing in this water main and drench with rain, can be provided with water disposal facility 71, water tank 72 and variable frequency pump 73.The effect of its water treatment facilities 71 is by after original sub-block, makes the electrical conductivity of water for device spray of drenching with rain reach the requirement of army's mark and GB.Water tank 72, for storing the water up to standard of water treatment facilities 71 output, extracts for variable frequency pump 73.This variable frequency pump 73 is for providing the water with certain pressure for water main 20, the feature of this water pump 73 is wherein provided with variable-frequency motor, under the control of following program control PLC, during the rotating speed height of motor, inflow and water inlet pressure increase, make spray flux and drench raindrop diameter to increase, otherwise diminish; Namely under the control of PLC, the hydraulic pressure that variable frequency pump 73 exports and flow change, and make the amount of drenching with rain reach army's mark and Standard.
This plurality of horizontal branching pipe 30, along this head tree 20 between the upper and lower apart from distribution, forms multiple field and to drench with rain pattern, and increase its drench with rain height and scope, spacing and the quantity of its actual branching pipe 30 can be adjusted accordingly according to need.Each branching pipe 30 is communicated in described head tree 20 by steel wire soft rubber tube 31, and the water source of horizontal branching pipe 30 is provided by water outlet steel wire soft rubber tube 31 by water main 20.
Each branching pipe 30 is provided with several bullet drip spray spout 32.This bullet drip spray spout includes nozzle body and shower nozzle, and this nozzle body, built with silica gel draw-tube, the tube wall of nozzle body is provided with pore, and the inlet opening diameter of nozzle body front end is 0.2mm; Spring and micelle valve are equipped with in this shower nozzle inside, and the injection diameter of shower nozzle is 0.4mm, when intake pressure reaches 2kg/cm
2and time above, micelle valve can be opened, the water in silica gel draw-tube to be hit by a bullet injection from the spray orifice that diameter is 0.4mm, and formation diameter is the globule of 0.5 ~ 4.5mm.
Due to the inlet opening of tail end little (diameter 0.2mm), the spray orifice of shower nozzle large (diameter 0.4mm), therefore must water could inflation silica gel draw-tube reach valve opening pressure for some time, therefore the raindrop of ejection are discontinuous, do not converge into current, emulate the effective of raindrop.
Spray flux and the raindrop diameter of each bullet drip nozzle are relevant with water supply pressure, are now listed as follows:
| Water supply pressure (kg/cm 2) | 2 | 3 | 4 | 5 | 6 |
| The amount of drenching with rain (kg/h) | 32 | 42 | 55 | 73 | 90 |
| Raindrop diameter φ (mm) | 0.5 | 1.3 | 2.2 | 3.4 | 4.8 |
From above-mentioned table, when injection diameter is 0.4mm, when water supply pressure is at 2.0 ~ 6.0kg/cm
2during change, the raindrop diameter of ejection is 0.5 ~ 4.8mm.
Each branching pipe 30 is pivotably connected in head tree 20 by rocking arm 33, and the lower end of rocking arm 33 is articulated in by rotating shaft on the rocker arm support 21 on head tree 20, and the upper end of rocking arm 33 is articulated in branching pipe 30 by rotating shaft.Utilize the draw of this rocking arm 33 that each branching pipe 30 can be made to teeter motion as arc line shaped around the rotation center of rocking arm 33.Make the spray direction of bullet drip spray spout 32 that each horizontal branching pipe 30 is installed with level be benchmark upwards 30 degree, downward 45 degree scope in change.
Sliding mechanism 40 moves for driving the sliding of each horizontal branching pipe 30, this sliding mechanism 40 includes drive unit 41, upper lower push-pull bar 42 and push-and-pull connecting rod 43, the two ends of this push-and-pull connecting rod 43 respectively with this branching pipe 30 and upper lower push-pull bar 42 pivot joint, this drive unit 41 drives upper lower push-pull bar 42 to be elevated, and upper lower push-pull bar 42 drives branching pipe 30 to do circular swing motion around the rotation center of rocking arm 33 by push-and-pull connecting rod 43.
In the present embodiment, described drive unit 41 is vertically be installed on the oil cylinder on base 10, and the lower end of upper lower push-pull bar 42 is connected on the output piston bar of this oil cylinder 41 by web joint.Described upper lower push-pull bar 42 is multi-segment structure, includes plural section montant 421 and is connected to the joint cross bar 422 between adjacent two sections of montants 421, can pass through rotating shaft pivot joint between montant 421 and joint cross bar 422.This head tree 20 is provided with slide guide track 22 for each joint cross bar 422, and being provided with in slide guide track 22 can the slide block 23 of slippage up and down, and this joint cross bar 422 is connected on this slide block 23 by a straight beam.Described push-and-pull connecting rod 43 is two, and the pivoting point of they and branching pipe 30 is distributed in the both sides of aforementioned rocking arm 33 and branching pipe 30 pivoting point, so waves stability with what improve each branching pipe 30.
This PLC full-automatic control system 50 includes PLC 51, frequency conversion oil pump 52, oil cylinder stroke switch 53, aforementioned variable frequency pump 73 and oil cylinder 41, supplied water to head tree 20 by this variable frequency pump 73, then shunted to each branching pipe 30 by steel wire soft rubber tube 31 by head tree 20.This frequency conversion oil pump 52 is connected to oil cylinder 41, and this PLC 51 is electrically connected on this variable frequency pump 73, frequency conversion oil pump 52 and oil cylinder 41 travel switch, and the stroke up and down of cylinder piston rod controlled by oil cylinder stroke switch 53 and PLC 51.
The feature of this oil pump 52 is wherein provided with variable-frequency motor, and under the control of PLC, the rotation speed change of motor, oil mass and the oil-feed pressure of oil pump change thereupon, and the rising or falling speed of upper lower push-pull bar changes thereupon.When motor speed height, the pressure of oil inlet quantity and oil-feed increases, and cylinder piston rod rises fast, otherwise it is slow to rise, thus changes the sway velocity of above-mentioned each branching pipe 30.
Principle of work and the course of work that the present embodiment is described in detail in detail are as follows:
Tap water inputs water tank 72 after carrying out corresponding process via water disposal facility 71, water source is made to reach the requirement of army's mark and GB, automatically controlling variable frequency pump 52 by PLC 51 is conveyed in head tree 20 by the water extraction in water tank 72, water shunting is given the horizontal branching pipe 30 of each layer by head tree 20 again, is sprayed by the bullet drip spray spout 32 on each branching pipe 30.
In the process of spraying, automatically the oil mass that corresponding pressure carried by frequency conversion oil pump 52 is controlled by PLC 51, impel the output piston bar of oil cylinder 41 by the speed activity of setting, in drive, each section of montant 421 of lower push-pull bar 42 does oscilaltion activity simultaneously, each montant 421 promotes each joint cross bar 422 and moves up and down, each joint cross bar 422 promotes each horizontal branching pipe 30 by two push-and-pull connecting rods 43 again and swings, because branching pipe 30 is subject to the traction of rocking arm 33, therefore to teeter motion as camber line centered by the rotating shaft of branching pipe 30 on rocker arm support 21.
The above, it is only preferred embodiment of the present invention, not technical scope of the present invention is imposed any restrictions, thus every above embodiment is done according to technical spirit of the present invention any trickle amendment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (9)
1. a super-huge multilayer Full-automatic slide pendulum-type rain test equipment, it is characterized in that: include PLC full-automatic control system, base, head tree and a plurality of horizontal branching pipe along the distance distribution between the upper and lower of this head tree, this base is arranged with the castor being convenient to movable base, this head tree is installed on base, head tree is main-supply, water branches to each branching pipe through this head tree, each branching pipe is pivotably connected in head tree by rocking arm, and each branching pipe is provided with a plurality ofly sprays the bullet drip spray spout that diameter is the discontinuous globule of 0.5 ~ 4.8mm, and, each branching pipe is provided with sliding mechanism, this sliding mechanism includes drive unit, upper lower push-pull bar, push-and-pull connecting rod, slide guide track and slide block, this slide guide track is arranged on head tree, this slide block is installed on upper and lower slippage in slide guide track, upper lower push-pull bar is connected to this slide block, the two ends of this push-and-pull connecting rod respectively with this branching pipe and upper lower push-pull bar pivot joint, this drive unit drives the lifting of upper lower push-pull bar, upper lower push-pull bar by push-and-pull connecting rod drive branching pipe under the traction of rocking arm from level up 30 degree down do circular swing motion in the scope of 45 degree.
2. super-huge multilayer Full-automatic slide pendulum-type rain test equipment according to claim 1, it is characterized in that: described bullet drip spray spout includes nozzle body and shower nozzle, this nozzle body is built with silica gel draw-tube, the tube wall of nozzle body is provided with pore, and the inlet opening diameter of nozzle body front end is 0.2mm; Spring and micelle valve are equipped with in this shower nozzle inside, and the injection diameter of shower nozzle is 0.4mm, when intake pressure reaches 2kg/cm
2and time above, micelle valve can be opened, the water in silica gel draw-tube to be hit by a bullet injection, when water supply pressure is at 2.0 ~ 6.0kg/cm from the spray orifice that diameter is 0.4mm
2time, forming diameter is the globule of 0.5 ~ 4.8mm.
3. super-huge multilayer Full-automatic slide pendulum-type rain test equipment according to claim 1, is characterized in that: described head tree is communicated in each branching pipe by steel wire soft rubber tube.
4. super-huge multilayer Full-automatic slide pendulum-type rain test equipment according to claim 1, it is characterized in that: described upper lower push-pull bar is multi-segment structure, include plural section montant and be connected to the joint cross bar between adjacent two sections of montants, each joint cross bar is connected to slide block by straight beam.
5. super-huge multilayer Full-automatic slide pendulum-type rain test equipment according to claim 4, it is characterized in that: described push-and-pull connecting rod is two, their lower end is articulated on aforementioned joint cross bar, and the pivoting point of upper end and branching pipe is distributed in the both sides of aforementioned rocking arm and branching pipe pivoting point.
6. super-huge multilayer Full-automatic slide pendulum-type rain test equipment according to claim 1, it is characterized in that: described PLC full-automatic control system includes PLC, variable frequency pump, frequency conversion oil pump, oil cylinder and oil cylinder stroke switch, supply water to each branching pipe by this variable frequency pump, oil cylinder is aforementioned drive unit, on this, lower push-pull bar lower end is connected to the output piston bar of oil cylinder, oil cylinder is connected to this frequency conversion oil pump, and this PLC is electrically connected on this variable frequency pump, frequency conversion oil pump and oil cylinder stroke switch.
7. super-huge multilayer Full-automatic slide pendulum-type rain test equipment according to claim 6, it is characterized in that: in described frequency conversion oil pump, variable-frequency motor is installed, under the control of PLC, the rotation speed change of motor, oil mass and the oil-feed pressure of oil pump change thereupon, and the rising or falling speed of upper lower push-pull bar changes thereupon.
8. super-huge multilayer Full-automatic slide pendulum-type rain test equipment according to claim 6, is characterized in that: described variable frequency pump is that it exports under PLC controls hydraulic pressure and flow change and make the amount of drenching with rain reach army's mark and the variable frequency pump of Standard.
9. super-huge multilayer Full-automatic slide pendulum-type rain test equipment according to claim 1, is characterized in that: described base is provided with a plurality of hooks arranged around this head tree, and the upper end of head tree connects jail in each hook by complex root oblique pull wire rope.
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| CN201210312282.XA CN102788665B (en) | 2012-08-29 | 2012-08-29 | Super-huge type multi-layer full-automatic sliding swing rainfall test device |
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| CN201210312282.XA CN102788665B (en) | 2012-08-29 | 2012-08-29 | Super-huge type multi-layer full-automatic sliding swing rainfall test device |
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| CN102788665B true CN102788665B (en) | 2014-12-24 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103235220A (en) * | 2013-04-16 | 2013-08-07 | 南方电网科学研究院有限责任公司 | Device and method for rainfall test of transmission line tower |
| CN104977432B (en) * | 2014-04-11 | 2019-09-20 | 南方电网科学研究院有限责任公司 | Long-string insulator wet practice impact test water injector and its application |
| CN105486953B (en) * | 2015-12-18 | 2018-09-25 | 中国电力科学研究院 | A kind of rainfall automatic measurement system and method for electrical equipment salt fog test |
| CN106370356B (en) * | 2016-11-29 | 2019-04-19 | 安徽安凯汽车股份有限公司 | A kind of tool assembly assembly enclosing salt fog test for car front and back |
| CN113959645B (en) * | 2021-12-21 | 2022-03-15 | 中国飞机强度研究所 | Airplane test rain simulation device and simulation method |
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Effective date of registration: 20170425 Address after: Six Dongguan Industrial Zone, Guangdong City, the revitalization of the industrial park, building, floor, floor, 523000 Co-patentee after: DONGGUAN HONGZE ELECTRICAL AND MECHANICAL ENGINEERING CO., LTD. Patentee after: Dongwan Fengyuan Electric Co., Ltd. Address before: Six Dongguan Industrial Zone, Guangdong City, the revitalization of the industrial park, building, floor, floor, 523000 Patentee before: Dongwan Fengyuan Electric Co., Ltd. |
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