CN2751898Y - Spray nozzle swinging mechanism for artificial analog rainfall apparatus - Google Patents
Spray nozzle swinging mechanism for artificial analog rainfall apparatus Download PDFInfo
- Publication number
- CN2751898Y CN2751898Y CN 200420009956 CN200420009956U CN2751898Y CN 2751898 Y CN2751898 Y CN 2751898Y CN 200420009956 CN200420009956 CN 200420009956 CN 200420009956 U CN200420009956 U CN 200420009956U CN 2751898 Y CN2751898 Y CN 2751898Y
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- swing arm
- swing
- shower nozzle
- hinged
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Nozzles (AREA)
Abstract
The utility model relates to a spray head swinging mechanism for artificial rainfall simulating apparatuses, which comprises a connecting rod (7), a linked connecting rod (9) and a four connecting rod mechanism, wherein the four connecting rod mechanism is composed of a crank (3), a swinging rod (8) and an adjustable connecting rod, a driving shaft is fixed to one end of the crank (3), the other end is hinged with one end of the adjustable connecting rod to make circular motion following the adjustable connecting rods, the square head end of the connecting rod (7) is fixed to one end of the swinging rod (8), the other end is hinged with the end of a rod for adjusting and connecting a rainfall simulating apparatus, a machine frame of the four connecting rod mechanism is formed by fixing the crank and the driving shaft and fixing the swinging rod and the square head end of the connecting rod, and other three rods are the crank, the swinging rod and the adjustable connecting rod. The middle of the connecting rod is connected with a spray head (10) which swings following the swinging rod, and the crank make circular motion around the driving shaft to make the swinging rod hinged with the adjustable connecting rod swing through the adjustable connecting rod hinged with the crank. The linked connecting rod (9) is hinged with each swinging rod. Rainfall simulating apparatuses with the spray head swinging mechanism have large sprinkling areas and can evenly sprinkle.
Description
Technical field
The utility model relates to a kind of manual simulation's natural rainfall device, the particularly a kind of swing of spray down intermittent movement, the shower nozzle swing mechanism of the rainfall simulator that indoor field is dual-purpose.
Background technology
The basic both at home and abroad at present artificially-simulated rainfall device simulation natural rainfall that adopts, come soil water regime and runoff yield relation under the quantitative assessment condition of raining by measuring parameters such as raindrop size, kinetic energy, uniformity, thereby further study rainfall pattern, landforms and geological conditions, vegetation pattern, edaphic condition the rule that influences, and then realize dynamic observing the soil erosion zone to soil erosion.In this research field, country research such as the former Soviet Union, the U.S., Japan, Canada relatively early, they just begin to develop the simulated rainfall machine as far back as 20 middle of century, and are widely used in all kinds of scientific research and testing that relate to natural precipitation.
China begins to develop in succession the artificially-simulated rainfall device of different performance in the sixties in 20th century, wherein great majority are single shower nozzle rainers of planting, and promptly with the rainer of a kind of shower nozzle as the raindrop generator, and are applied in the test of scientific research.For example: Inst. of Mechanics, CAS's application, publication number 1493854, denomination of invention is " a portable rainfall simulator ", but the shower nozzle of this rainer can not swing, and makes that the watering area of simulated rainfall is too concentrated also just to be far from being the uniformity of simulated rainfall.Again for example: on the 7th volume of publishing in December, 2000 fourth phase " research soil and water conservation ", disclosed " the open-air artificially-simulated rainfall device of SR type ", introduced a kind of rainer that is applied to the following spray swing intermittent movement of scientific research, the shower nozzle of this device can be swung, but its transmission mechanism does not have clear, complete introduction in article, and the pendulum angle of shower nozzle has only 60 degree, and the watering area is not very big naturally.
Summary of the invention
Technology to be solved in the utility model is that the shower nozzle that existing rainer has can not be swung, and the rainer transmission mechanism that shower nozzle can be swung does not have clear, complete introduction, and the pendulum angle of shower nozzle is little, the little technology of watering area.
The technical solution of the utility model:
This mechanism comprises: connecting rod, interlock connecting rod and quadric chain.
Described quadric chain comprises: crank, swing arm, adjustable link.
One end and the power transmission shaft of crank are fixed, and the other end is hinged with the left-handed stay bolt end of adjusting connecting rod, makes it make circular motion with power transmission shaft.
One end of swing arm is fixedlyed connected with the square toes end of connecting rod, and the other end of swing arm is hinged with the dextrorotation stay bolt end of adjusting connecting rod.
Crank is fixedlyed connected with power transmission shaft, the frame of fixedlying connected the formation four-bar mechanism of swing arm and connecting rod square toes end, and its excess-three bar is crank, swing arm and adjustable link; The middle part of connecting rod connects shower nozzle, and the other end of connecting rod connects water tube hose.
Crank is made circular motion around power transmission shaft, makes the swing arm swing hinged with adjustable link by the adjustable link hinged with it, thereby drives the shower nozzle swing.
Interlock connecting rod and each swing arm are hinged, and the interlock connecting rod is swung with swing arm, drives the neat swing of each swing arm, realizes the interlock of shower nozzle.
The beneficial effect that the utility model had: at first, realized the swing of shower nozzle, satisfied the requirement of test, made the watering area of simulated rainfall and uniformity reach the requirement of testing; Secondly, in four-bar mechanism,, make the shower nozzle pendulum angle to adjust owing to the existence of swing arm and adjustable link.At last, because transmission mechanism is simple and be to be processed by aluminum alloy materials,, be applicable on the indoor and outdoor dual-purpose rainfall simulator so this mechanism is easy to dismounting.
Description of drawings
Fig. 1 transmission mechanism work schematic diagram
Fig. 2 transmission mechanism A is to schematic diagram
Fig. 3 transmission mechanism B-B cutaway view
The threaded connection axis of Fig. 4 part drawing
The left-handed stay bolt part drawing of Fig. 5
Fig. 6 swing arm part drawing
Fig. 7 crank part drawing
Among the figure: reducing motor 1, chain-drive mechanism 2, crank 3, left-handed stay bolt 4, threaded intermediate sleeve 5, dextrorotation stay bolt 6, connecting rod 7, swing arm 8, interlock connecting rod 9, shower nozzle 10, support 11, follow-up connecting rod axle 12, swing connecting bar axle 13, plug 14, water flowing ABS pipe 15, bearing 16, threeway 17, water flowing ABS pipe 18, cross-brace beam 19, bearing upper bracket 20, bearing undersetting 21.
The specific embodiment
Followingly be further described with reference to the specific embodiment of accompanying drawing to this transmission mechanism.
As shown in Figure 1, the shower nozzle swing mechanism comprises: connecting rod 7, interlock connecting rod 9, quadric chain.Its quadric chain comprises: crank 3, swing arm 8, adjustable link.
Adjustable link is made up of left-handed stay bolt 4, dextrorotation stay bolt 6 and the threaded intermediate sleeve 5 that is connected.Left-handed stay bolt 4 is connected the threaded two ends that are connected intermediate sleeve 5 with thread forms respectively with dextrorotation stay bolt 6, and left-handed stay bolt 4 is seen Fig. 5, and dextrorotation stay bolt 6 is identical with the shape of left-handed stay bolt 4, and only length is different with hand of spiral.The dextrorotation stay bolt 6 of adjustable link is hinged with an end of swing arm 8, its articulated manner is seen Fig. 2, it is the end that dextrorotation stay bolt 6 is provided with circular hole, hinged by swing connecting bar axle 13 and nut and swing arm 8, the long L1 of the shaft shoulder of swing connecting bar axle 13 is greater than the thickness L2 of an end of dextrorotation stay bolt 6 circular holes.The left-handed stay bolt 4 of adjustable link is hinged in the same way with crank 3.Adjustable link length is regulated by rotating threaded intermediate sleeve 5, and selected shower nozzle pendulum angle is finely tuned.
One end of crank 3 is established an octagon hole, and the other end is established a circular hole.The octagon hole is used for fixing with octagonal power transmission shaft, makes it make circular motion with power transmission shaft.
The square head of the plug 14 of connecting rod 7 is fixed in the quadrilateral hole of swing arm 8.Crank 3 and power transmission shaft fixedly connected the frame of fixedlying connected the formation four-bar mechanism with swing arm 8 and connecting rod 7, its excess-three bar is crank 3, swing arm 8 and adjustable link.Crank 3 is made circular motion around power transmission shaft, makes swing arm 8 swings hinged with adjustable link by the adjustable link hinged with it, thereby drives shower nozzle 10 swings.
Connecting rod 7 comprises: plug 14, water flowing ABS pipe 15, threeway 17, water flowing ABS manage 18 4 parts, see Fig. 2.One end of threeway 17 is managed 18 embeddings mutually with water flowing ABS, bonds together with bonding agent, and the end embedding mutually of the other end of threeway 17 and water flowing ABS pipe 15 is being bonded with bonding agent, and the 3rd end of threeway 17 is threaded with shower nozzle 10; The other end of water flowing ABS pipe 18 connects water tube hose, and water flowing ABS manages the cylinder head end embedding mutually of 15 other ends and plug 14, bonds together with bonding agent.Water flowing ABS pipe 15, threeway 17, water flowing ABS pipe 18 are to be made by the ABS plastic material, and the other end of plug 14 is that square toes are fixed in the square hole of swing arm 8, and it is made by aluminum alloy materials.The effect of connecting rod 7 is under the drive of swing arm 8, and the shower nozzle 10 that connects on the connecting rod 7 is with swing arm 8 swings with to the shower nozzle water flowing.Connecting rod 7 is clipped between bearing upper bracket 20 and the bearing undersetting 21, with screw bolt and nut bearing upper bracket 20 and bearing undersetting 21 is fixed on the cross-brace beam 19.Connecting rod 7 is clipped between two bearing upper brackets 20 and the bearing undersetting 21, and matched in clearance is seen Fig. 3.Two bearing upper brackets 20 and bearing undersetting 21 adopt spiral shells and nut to be fixed on the cross-brace beam 19.Two bearing together support connecting rods 7, connecting rod 7 uses as axle, and under the drive of swing arm 8, connecting rod 7 drives the shower nozzle swing.
It is hinged that interlock connecting rod 9 passes through follow-up connecting rod axle 12 and nut and each swing arm 8, sees Fig. 2; Pitman shaft 1 shaft shoulder is grown up in the thickness of interlock connecting rod 9.Interlock connecting rod 9 drives the neat swing of each swing arm with swing arm 8 swings, realizes the interlock of shower nozzle.
The course of work that is used for the shower nozzle swing mechanism of artificially-simulated rainfall device is, reducing motor 1 passes to crank 3 by chain wheel driving mechanism 2 with power, motor is gyrating like this, 10 in shower nozzle is ceaselessly swung by transmission mechanism, if want to control the frequency of shower nozzle swing, the power transmission shaft of connection chain wheel drive mechanism 2 and crank 3 can be divided into two axles, connect with clutch with two axles and control.Crank 3 connects adjustable link, and adjustable link then is connected with swing arm 8, a plurality of holes that link to each other with connecting rod of design on the swing arm, and each hole, corresponding a kind of pendulum angle makes shower nozzle 10 pendulum angles to select on predetermined angle.Interlock connecting rod 9 is hinged each swing arm 8, to drive the neat swing of each swing arm, has realized the interlock of shower nozzle.When big deviation appears in the angle of swing, regulate the position of adjustable link and swing arm connecting hole,, regulate adjustable link when the small deviation of angle appearance of swing, regulate by the rotation intermediate sleeve, thereby selected shower nozzle pendulum angle is finely tuned.
Claims (4)
1. a shower nozzle swing mechanism that is used for artificially-simulated rainfall device is characterized in that the shower nozzle swing mechanism comprises: connecting rod (7), interlock connecting rod (9), quadric chain;
Described quadric chain comprises: crank (3), swing arm (8), adjustable link;
One end and the power transmission shaft of crank (3) are fixed, and the other end is hinged with left-handed stay bolt (4) end of adjusting connecting rod, makes it make circular motion with power transmission shaft;
One end of swing arm (8) is fixedlyed connected with the square toes end of connecting rod (7), and the other end of swing arm (8) is hinged with dextrorotation stay bolt (6) end of adjusting connecting rod;
Crank (3) is fixedlyed connected with power transmission shaft, the frame of fixedlying connected the formation four-bar mechanism of swing arm (8) and connecting rod (7) square toes end, and its excess-three bar is crank (3), swing arm (8) and adjustable link; The middle part of connecting rod (7) connects shower nozzle (10), and another termination of connecting rod (7) connects water tube hose;
Crank (3) is made circular motion around power transmission shaft, makes the swing arm hinged with adjustable link (8) swing by the adjustable link hinged with it, thereby drives shower nozzle (10) swing.
Interlock connecting rod (9) is hinged with each swing arm (8), and interlock connecting rod (9) drives the neat swing of each swing arm (8) with swing arm (8) swing, realizes the interlock of shower nozzle.
2. a kind of shower nozzle swing mechanism that is used for artificially-simulated rainfall device according to claim 1, it is characterized in that, swing arm (8) and dextrorotation stay bolt (6) the end articulated manner of adjusting connecting rod: dextrorotation stay bolt (6) is provided with an end of circular hole, hinged by swing connecting bar axle (13) and nut and swing arm (8), the long L1 of the shaft shoulder of swing connecting bar axle (13) is greater than the thickness L2 of an end of dextrorotation stay bolt (6) circular hole.
3. a kind of shower nozzle swing mechanism that is used for artificially-simulated rainfall device according to claim 1, it is characterized in that, the right-hand member of swing arm (8) is opened a square hole, be used for fixedlying connected with the square toes end of connecting rod (7), the left side at swing arm (8) square hole is provided with a plurality of holes, select the dextrorotation stay bolt (6) of one of them hole and adjustable link hinged, each hole, corresponding a kind of pendulum angle makes the shower nozzle pendulum angle to select on predetermined angle; The termination circular hole of swing arm (8) is used for and the hinged of connecting rod (9) of linking.
4. a kind of shower nozzle swing mechanism that is used for artificially-simulated rainfall device according to claim 1 is characterized in that adjustable link comprises: left-handed stay bolt (4), dextrorotation stay bolt (6) and the threaded intermediate sleeve (5) that is connected; Left-handed stay bolt (4) is connected the threaded two ends that are connected intermediate sleeve (5) with thread forms respectively with dextrorotation stay bolt (6), and adjustable link length is regulated by the threaded intermediate sleeve of rotation (5), and selected shower nozzle pendulum angle is finely tuned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420009956 CN2751898Y (en) | 2004-12-17 | 2004-12-17 | Spray nozzle swinging mechanism for artificial analog rainfall apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420009956 CN2751898Y (en) | 2004-12-17 | 2004-12-17 | Spray nozzle swinging mechanism for artificial analog rainfall apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2751898Y true CN2751898Y (en) | 2006-01-18 |
Family
ID=35913314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420009956 Expired - Fee Related CN2751898Y (en) | 2004-12-17 | 2004-12-17 | Spray nozzle swinging mechanism for artificial analog rainfall apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2751898Y (en) |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101912832A (en) * | 2010-05-25 | 2010-12-15 | 东南大学 | Self-controllable wind-induced rain load simulation experimental device for buildings |
| CN102671798A (en) * | 2011-03-16 | 2012-09-19 | 朱建彬 | Automatic spraying device |
| CN104597220A (en) * | 2015-01-07 | 2015-05-06 | 沈阳农业大学 | Rocker arm upward spraying type rainfall simulator |
| CN107175177A (en) * | 2017-06-30 | 2017-09-19 | 西安理工大学 | A kind of rotary type simulated rainfall system |
| CN107179269A (en) * | 2017-06-09 | 2017-09-19 | 中国矿业大学 | It is a kind of can simulated rainfall and top-loaded simultaneously experimental rig and test method |
| CN108490153A (en) * | 2018-03-12 | 2018-09-04 | 北京易科立德生态环境科技有限责任公司 | A kind of artificially-simulated rainfall raininess control device and method |
| CN108568720A (en) * | 2018-05-07 | 2018-09-25 | 巢湖市海风门窗有限公司 | The edging cleaning system of door-window section bar |
| CN108788741A (en) * | 2018-05-07 | 2018-11-13 | 巢湖市海风门窗有限公司 | The cutting edging cleaning device of section steel cutting |
| CN108838891A (en) * | 2018-05-07 | 2018-11-20 | 巢湖市海风门窗有限公司 | The cleaning device of door-window section bar cutting machine |
| CN108857430A (en) * | 2018-05-07 | 2018-11-23 | 巢湖市海风门窗有限公司 | The positional dissection edging cleaning device of section steel cutting |
| CN108857428A (en) * | 2018-05-07 | 2018-11-23 | 巢湖市海风门窗有限公司 | The cutting edging system of door-window section bar |
| CN108858388A (en) * | 2018-05-07 | 2018-11-23 | 巢湖市海风门窗有限公司 | The positional dissection cleaning device of section steel cutting |
| CN108855710A (en) * | 2018-09-07 | 2018-11-23 | 中国科学院、水利部成都山地灾害与环境研究所 | Rainer |
| CN108857664A (en) * | 2018-05-07 | 2018-11-23 | 巢湖市海风门窗有限公司 | The cutting edging cleaning system of door-window section bar |
| CN108890032A (en) * | 2018-05-07 | 2018-11-27 | 巢湖市海风门窗有限公司 | The cutting cleaning device of section steel cutting |
| CN108914864A (en) * | 2018-08-01 | 2018-11-30 | 中国冶集团有限公司 | It simply sprinkles water automobile-used Automatic-swing device |
| CN108927727A (en) * | 2018-05-07 | 2018-12-04 | 巢湖市海风门窗有限公司 | The cutting cleaning system of door-window section bar |
| CN109848096A (en) * | 2019-03-11 | 2019-06-07 | 徐成晓 | A kind of ultrasonic probe automatically washing and sterilizing device |
| CN110095268A (en) * | 2018-01-26 | 2019-08-06 | 杉野机械股份有限公司 | The measuring method and its device of the swing of nozzle |
| CN110608993A (en) * | 2019-10-28 | 2019-12-24 | 福建农林大学 | Test device for artificially simulating rainfall kinetic energy to influence soil erosion |
| CN111085369A (en) * | 2020-01-17 | 2020-05-01 | 浙江万木新材料科技股份有限公司 | PVC is shower nozzle device for coated fabric |
| CN111781333A (en) * | 2020-07-20 | 2020-10-16 | 长江水利委员会长江科学院 | Stepless speed change-based water-saving field rainfall system and method |
-
2004
- 2004-12-17 CN CN 200420009956 patent/CN2751898Y/en not_active Expired - Fee Related
Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101912832A (en) * | 2010-05-25 | 2010-12-15 | 东南大学 | Self-controllable wind-induced rain load simulation experimental device for buildings |
| CN101912832B (en) * | 2010-05-25 | 2012-06-13 | 东南大学 | Self-controllable wind-induced rain load simulation experimental device for buildings |
| CN102671798A (en) * | 2011-03-16 | 2012-09-19 | 朱建彬 | Automatic spraying device |
| CN104597220A (en) * | 2015-01-07 | 2015-05-06 | 沈阳农业大学 | Rocker arm upward spraying type rainfall simulator |
| CN107179269A (en) * | 2017-06-09 | 2017-09-19 | 中国矿业大学 | It is a kind of can simulated rainfall and top-loaded simultaneously experimental rig and test method |
| CN107179269B (en) * | 2017-06-09 | 2023-08-01 | 中国矿业大学 | Test device and test method capable of simulating rainfall and top loading simultaneously |
| CN107175177A (en) * | 2017-06-30 | 2017-09-19 | 西安理工大学 | A kind of rotary type simulated rainfall system |
| CN107175177B (en) * | 2017-06-30 | 2018-11-27 | 西安理工大学 | A kind of rotary type simulated rainfall system |
| CN110095268B (en) * | 2018-01-26 | 2020-12-11 | 杉野机械股份有限公司 | Method and device for measuring nozzle oscillation |
| CN110095268A (en) * | 2018-01-26 | 2019-08-06 | 杉野机械股份有限公司 | The measuring method and its device of the swing of nozzle |
| CN108490153A (en) * | 2018-03-12 | 2018-09-04 | 北京易科立德生态环境科技有限责任公司 | A kind of artificially-simulated rainfall raininess control device and method |
| CN108858388A (en) * | 2018-05-07 | 2018-11-23 | 巢湖市海风门窗有限公司 | The positional dissection cleaning device of section steel cutting |
| CN108927727A (en) * | 2018-05-07 | 2018-12-04 | 巢湖市海风门窗有限公司 | The cutting cleaning system of door-window section bar |
| CN108568720A (en) * | 2018-05-07 | 2018-09-25 | 巢湖市海风门窗有限公司 | The edging cleaning system of door-window section bar |
| CN108857664A (en) * | 2018-05-07 | 2018-11-23 | 巢湖市海风门窗有限公司 | The cutting edging cleaning system of door-window section bar |
| CN108890032A (en) * | 2018-05-07 | 2018-11-27 | 巢湖市海风门窗有限公司 | The cutting cleaning device of section steel cutting |
| CN108857430A (en) * | 2018-05-07 | 2018-11-23 | 巢湖市海风门窗有限公司 | The positional dissection edging cleaning device of section steel cutting |
| CN108788741A (en) * | 2018-05-07 | 2018-11-13 | 巢湖市海风门窗有限公司 | The cutting edging cleaning device of section steel cutting |
| CN108857428A (en) * | 2018-05-07 | 2018-11-23 | 巢湖市海风门窗有限公司 | The cutting edging system of door-window section bar |
| CN108838891A (en) * | 2018-05-07 | 2018-11-20 | 巢湖市海风门窗有限公司 | The cleaning device of door-window section bar cutting machine |
| CN108914864A (en) * | 2018-08-01 | 2018-11-30 | 中国冶集团有限公司 | It simply sprinkles water automobile-used Automatic-swing device |
| CN108855710A (en) * | 2018-09-07 | 2018-11-23 | 中国科学院、水利部成都山地灾害与环境研究所 | Rainer |
| CN109848096A (en) * | 2019-03-11 | 2019-06-07 | 徐成晓 | A kind of ultrasonic probe automatically washing and sterilizing device |
| CN109848096B (en) * | 2019-03-11 | 2021-06-08 | 张军 | Automatic cleaning and sterilizing device for ultrasonic probe |
| CN110608993A (en) * | 2019-10-28 | 2019-12-24 | 福建农林大学 | Test device for artificially simulating rainfall kinetic energy to influence soil erosion |
| CN111085369A (en) * | 2020-01-17 | 2020-05-01 | 浙江万木新材料科技股份有限公司 | PVC is shower nozzle device for coated fabric |
| CN111781333A (en) * | 2020-07-20 | 2020-10-16 | 长江水利委员会长江科学院 | Stepless speed change-based water-saving field rainfall system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2751898Y (en) | Spray nozzle swinging mechanism for artificial analog rainfall apparatus | |
| CN206851602U (en) | A kind of Mobile sprinkling irrigation equipment | |
| CN106248910B (en) | One kind sweeping spray formula side slope rainfall system | |
| CN105684651A (en) | Fruit picking device and picking device | |
| CN209255030U (en) | A kind of portable fruit tree whitewashes device | |
| CN207491726U (en) | A kind of municipal works highway planting sprinkler | |
| CN107829492A (en) | A kind of walking mechanism for being applied to dredging sewer pipe small intelligent robot | |
| CN112056182B (en) | New forms of energy afforestation sprinkling irrigation equipment with far and near rotation sprays structure | |
| CN1753247A (en) | Portable parabolin antenna | |
| CN111937723A (en) | Afforestation is with rotatory watering lorry | |
| CN2373987Y (en) | Telescopic portable pruning knife | |
| CN2644013Y (en) | Improved dynamic fountain device with peacock screen opening shape | |
| CN214734279U (en) | Multifunctional garden ladder | |
| CN109663690A (en) | External surface of street lamp pole spray painting trolley | |
| CN209518130U (en) | Opening shape adjustable type shrimp-catching net support construction | |
| CN209047005U (en) | A kind of gardens gardening flowers and trees transplanting earth-moving equipment | |
| CN2903172Y (en) | Road sweeping machine | |
| CN208917754U (en) | A kind of town road sprinkler | |
| CN213095688U (en) | Artificial intelligence type automatic pesticide spraying device for greening | |
| CN2855051Y (en) | Twe-segament spiral plants climbing rack | |
| CN207151279U (en) | A kind of electronic averruncator | |
| CN214902814U (en) | Sprinkler for afforestation | |
| CN221440116U (en) | Maintenance hanging bracket | |
| CN219741374U (en) | A protector for afforestation construction | |
| CN114711084B (en) | Ancient and famous tree hole filling and repairing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: INNOVATION TECHNOLOGY CENTER OF BEIJING JIAOTONG UNIVERSITY Assignor: Beijing Jiaotong University Contract record no.: 2011110000046 Denomination of utility model: Spray nozzle swinging mechanism for artificial analog rainfall apparatus Granted publication date: 20060118 License type: Exclusive License Record date: 20110613 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060118 Termination date: 20121217 |