CN111587717A - Mechanical reversing type ventilation device in circular arch type greenhouse - Google Patents
Mechanical reversing type ventilation device in circular arch type greenhouse Download PDFInfo
- Publication number
- CN111587717A CN111587717A CN202010447228.0A CN202010447228A CN111587717A CN 111587717 A CN111587717 A CN 111587717A CN 202010447228 A CN202010447228 A CN 202010447228A CN 111587717 A CN111587717 A CN 111587717A
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- Prior art keywords
- bogie
- fixed base
- greenhouse
- shaft
- fan
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- 238000009423 ventilation Methods 0.000 title claims abstract description 43
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012272 crop production Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Ventilation (AREA)
Abstract
The invention relates to a mechanical reversing type ventilation device in a circular arch greenhouse, which comprises an internal ventilation fan, a bogie and a fixed base, wherein a driving rotating shaft is arranged at the upper end of the fixed base, driven rotating shafts are arranged on two sides of the fixed base, symmetrical rotating rods are arranged in the middle of two sides of the fixed base, conical gears at two ends of the driving rotating shaft are respectively meshed with conical gears at the upper ends of the two driven rotating shafts, and conical gears at the lower ends of the two driven rotating shafts are respectively meshed with conical gears at the outer ends of the two rotating rods; the connecting rods at the upper end and the lower end of the inner ventilation fan are rotatably connected with a bogie; the lower end connecting rod of the fan is fixedly connected with an output shaft of a single-output-shaft motor through a coupler, and the single-output-shaft motor is fixedly connected to the lower end face of the bogie. This device trades the structure through machinery and constitutes and realize the rotation of greenhouse fan arbitrary angle to this flow direction of accurate control fan direction air current evenly provides the assurance to the distribution of greenhouse temperature field, air current field, further realizes crop growth environment regulation and control.
Description
Technical Field
The invention belongs to the technical field of facility agriculture intelligent equipment, and particularly relates to a mechanical reversing type ventilation device in a circular arch greenhouse.
Background
Greenhouse internal ventilation is favorable to improving the circulation of crop canopy air, improves the unfavorable gaseous operating mode of crop annex in the greenhouse, prevents the breed of sick worm bacterium, is favorable to guaranteeing the high quality high yield of crop, and in addition, greenhouse internal ventilation is favorable to improving the air temperature who causes because of solar radiation in summer and distributes unevenly, improves gaseous circulation rate in the greenhouse, also can improve the economic loss that the local supercooling of greenhouse caused in winter, therefore greenhouse internal ventilation is the necessary or scarce part of greenhouse crop production. At present, the inside ventilation of greenhouse mostly is fixed is the fan structure, often realizes greenhouse circulation of air through fixing the fan on the greenhouse skeleton, is difficult to adjust the fan wind current and turns to, easily causes the local circulation of air effect poor in greenhouse, and some greenhouse fans are often fixed in the greenhouse skeleton surface in addition to this realizes the inside and outside forced ventilation in greenhouse, with reducing the inside temperature in greenhouse, adjusts the interior CO of greenhouse2Concentration and air humidity, this kind of fixed fan structure is difficult to the switching-over, and the not good phenomenon of temperature circulation always can appear in the air current of its fixed direction when ventilating to falling the climing class crop layer, consequently, improves the fixed structure of greenhouse inside fan is the important step of greenhouse production environment control.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention aims to provide a mechanical reversing type ventilation device in a circular arch greenhouse, which realizes the rotation of a greenhouse fan at any angle through mechanical structure changing, so that the flow direction of the fan guiding airflow is accurately controlled, the uniform distribution of a greenhouse temperature field and an airflow field is ensured, and the regulation and control of the crop growth environment are further realized.
The invention aims to realize the following technical scheme that the mechanical reversing type ventilation device in the circular arch greenhouse comprises an inner ventilation fan, a bogie and a shell, wherein the inner ventilation fan is arranged on the inner side of the bogie, and the technical key points are as follows: a fixed base is arranged on the outer side of the bogie; the shell is fixedly connected with the fixed base; the upper end of the fixed base is provided with a double-output-shaft motor, the double-output-shaft motor is provided with a driving rotating shaft, and two ends of the driving rotating shaft are provided with conical gears; driven rotating shafts are arranged on two sides of the fixed base, and conical gears are arranged at two ends of each driven rotating shaft; symmetrical rotating rods are arranged in the middle of two sides of the fixed base, the two rotating rods are rotatably connected with the fixed base, the inner ends of the two rotating rods are fixedly connected with a bogie, and the outer ends of the two rotating rods are fixedly connected with bevel gears;
the conical gears at the two ends of the driving rotating shaft are respectively meshed with the conical gears at the upper ends of the two driven rotating shafts, and the conical gears at the lower ends of the two driven rotating shafts are respectively meshed with the conical gears at the outer ends of the two rotating rods; the upper end and the lower end of the inner ventilation fan are respectively fixed with a connecting rod, and the outer ends of the connecting rods are rotatably connected with a bogie; the lower end connecting rod of the fan is fixedly connected with an output shaft of a single-output-shaft motor through a coupler, and the single-output-shaft motor is fixedly connected to the lower end face of the bogie.
Furthermore, ventilation unit connects in the dome greenhouse skeleton side by side, the casing upper end is equipped with two rings, and the casing passes through wire rope and is connected with the dome greenhouse skeleton.
Further, the rotating rod is rotatably connected with the fixed base through a bearing, the rotating rod is in interference fit with the inner ring of the bearing, the fixed base is in interference fit with the outer ring of the bearing, and a shaft sleeve is arranged at a gap between the fixed base and the bogie; the inner end of the rotating rod and the end close to the bogie are threaded and are fixedly connected with the bogie through the pre-tightening matching of threads and nuts.
Furthermore, the bevel gear is fixed in initiative pivot, driven spindle, dwang through pretension screw tap and key, the bevel gear tip is equipped with the elasticity jump ring.
Furthermore, the driving rotating shaft, the bevel gear and the driven rotating shaft are all arranged in the shell.
Further, the connecting rod at the upper end of the fan is connected to the bogie through a bearing.
The invention has the beneficial effects that:
(1) the invention provides a mechanical reversing type ventilation device for ventilation in a greenhouse, which can improve the working airflow direction of a fan, efficiently realize the application of the fan in the greenhouse, maintain the necessary growing environment of crops and improve reference for intelligent ventilation equipment in the greenhouse.
(2) The invention has compact structure, small space of the surrounding structural components of the internal ventilation fan, and convenient maintenance and renovation and popularization and application of the whole mechanical structure.
Drawings
FIG. 1 is a view of the arrangement of the ventilation device;
FIG. 2 is a schematic view of the construction of the ventilation device;
FIG. 3 is a schematic view of the internal structure of the housing of the ventilation device;
FIG. 4 is a schematic view of a vertical turning partial structure of the ventilating device;
fig. 5 is a partial sectional view at the ventilator a;
fig. 6 is a left-right turning partial schematic view of the ventilation device.
In fig. 1-6: the greenhouse comprises a circular arch type greenhouse framework 1, a shell 2, a steel wire rope 3, an internal ventilation fan 4, a lifting ring 5, a fixed base 6, a bogie 7, a double-output-shaft motor 8, a single-output-shaft motor 9, a driving rotating shaft 10, a T-shaped bearing seat 11, a driven rotating shaft 12, a bevel gear 13, a coupler 14, a bolt-nut assembly 15, a pre-tightening nut 16, a rotating rod 17, a bearing 18, a pre-tightening screw tap 19, a key 20, an elastic clamp spring 21, a shaft sleeve 22, a fan lower end connecting rod piece 23 and a fan upper end connecting rod piece 24.
Detailed Description
The technical scheme of the invention is explained in detail in the following by combining the description drawings of the invention.
Referring to fig. 1 to 6, the specific structure of the present embodiment is: a mechanical reversing type ventilation device in a circular arch greenhouse comprises a circular arch greenhouse framework 1, an inner ventilation fan 4, a bogie 7 and a shell 2, wherein the inner ventilation fan 4 is arranged on the inner side of the bogie 7,
a fixed base 6 is arranged on the outer side of the bogie 7; the shell 2 is fixedly connected with a fixed base 6; a double-output-shaft motor 8 is arranged at the upper end of the fixed base 6, the double-output-shaft motor 8 is connected with an active rotating shaft 10, and the double-output-shaft motor 8 drives the active rotating shaft 10 to rotate; two ends of the driving rotating shaft 10 are provided with conical gears 13; the upper end of the fixed base 6 is provided with two T-shaped bearing seats 11, and the two T-shaped bearing seats 11 are respectively positioned on two sides of the shaft lever of the driving rotating shaft 10 and positioned at the inner sides of the bevel gears 13 close to the two ends of the driving rotating shaft 10; the outer ends of the upper parts of the two side edges of the fixed base 6 are respectively provided with a driven rotating shaft 12, and two ends of the driven rotating shaft 12 are respectively provided with a conical gear 13; a pair of T-shaped bearing seats 11 are respectively arranged on two sides of the fixed base 6, and the T-shaped bearing seats 11 are respectively positioned on two sides of a shaft rod of the driven rotating shaft 12 and positioned at the inner side close to the bevel gear 13; symmetrical rotating rods 17 are arranged in the middle of two sides of the fixed base 6, the rotating rods 17 are rotatably connected with the fixed base 6 through bearings 18, the rotating rods 17 are in interference fit with inner rings of the bearings 18, and the fixed base 6 is in interference fit with outer rings of the bearings 18; a shaft sleeve 22 is arranged at the gap between the fixed base 6 and the bogie 7; threads are turned at the inner ends of the two rotating rods 17 and one end of each rotating rod 17 close to the bogie 7, and the two rotating rods are fixedly connected with the bogie 7 through the threads and the nuts 16, namely the two rotating rods 17 are fixedly connected with the bogie 7 through the pre-tightening matching of the threads and the nuts 16, and the outer ends of the two rotating rods 17 are fixedly connected with the bevel gears 13; the T-shaped bearing seats 11 on the outer surface of the fixed base 6 are fixedly connected in a pre-tightening mode through bolt and nut assemblies 15;
the bevel gears 13 at the two ends of the driving rotating shaft 10 are respectively meshed with the bevel gears 13 at the upper ends of the two driven rotating shafts 12, and the bevel gears 13 at the lower ends of the two driven rotating shafts 12 are respectively meshed with the bevel gears 13 at the outer ends of the two rotating rods 17; the bevel gear 13 is fixed on the driving rotating shaft 10, the driven rotating shaft 12 and the rotating rod 17 through a pre-tightening screw tap 19 and a key 20, and the end part of the bevel gear 13 restrains the axial movement of the bevel gear 13 through an elastic clamp spring 21;
the upper end and the lower end of the inner ventilation fan 4 are respectively fixedly connected with a fan upper end connecting rod 24 and a fan lower end connecting rod 23, the fan upper end connecting rod 24 and the fan lower end connecting rod 23 are both rotatably connected with a bogie 7, the fan upper end connecting rod 24 is connected onto the bogie 7 through a bearing 18, the upper end connecting rod 24 is in interference fit with an inner ring of the bearing 18, and the bogie 7 is in interference fit with an outer ring of the bearing 18 so as to realize the rotary connection of the fan upper end connecting rod 24 and the bogie 7; the lower end connecting rod of the fan 4 is fixedly connected with an output shaft of a single-output-shaft motor 9 through a coupler 14, and the single-output-shaft motor 9 is fixedly connected to the lower end face of the bogie 7;
the driving rotating shaft 10, the T-shaped bearing block 11 and the bevel gear 13 on the upper end surface of the fixed base 6, and the driven rotating shaft 12, the T-shaped bearing block 11 and the bevel gear 13 on the two sides of the fixed base 6 are all arranged in the shell 2;
two rings 5 are arranged at the upper end of the shell 2, and the shell 2 is connected with a circular arch type greenhouse framework 1 through a steel wire rope 3.
The ventilation devices are connected to the circular arch greenhouse framework side by side.
The working principle of the invention is as follows: the double-output-shaft motor 8 drives the driving rotating shaft 10, the driven rotating shafts 12 on two sides of the fixed base are driven to rotate through mutual meshing of the conical gears 13, and the rotating motion is converted to the rotating rod 17 after the mutual meshing of the conical gears 13, so that the inner ventilation fan 4 in the fixed base is turned over along the axial horizontal plane of the rotating rod 17; the single output shaft motor 9 can control the inner ventilation fan 4 to rotate randomly along a point on the axial vertical plane of the rotating rod 17, and the connecting piece at the lower end of the fan 4 is fixedly connected with the output shaft of the single output shaft motor 9 through the coupler 14 so as to ensure the stable operation of power.
Claims (6)
1. The utility model provides an inside mechanical switching-over formula ventilation unit in dome type greenhouse, includes dome type greenhouse skeleton, interior ventilation blower, bogie, casing, it is inboard characterized by that the bogie is arranged in to interior ventilation blower: a fixed base is arranged on the outer side of the bogie; the shell is fixedly connected with the fixed base; the upper end of the fixed base is provided with a double-output-shaft motor, the double-output-shaft motor is provided with a driving rotating shaft, and two ends of the driving rotating shaft are provided with conical gears; driven rotating shafts are arranged on two sides of the fixed base, and conical gears are arranged at two ends of each driven rotating shaft; symmetrical rotating rods are arranged in the middle of two sides of the fixed base, the two rotating rods are rotatably connected with the fixed base, the inner ends of the two rotating rods are fixedly connected with a bogie, and the outer ends of the two rotating rods are fixedly connected with bevel gears;
the conical gears at the two ends of the driving rotating shaft are respectively meshed with the conical gears at the upper ends of the two driven rotating shafts, and the conical gears at the lower ends of the two driven rotating shafts are respectively meshed with the conical gears at the outer ends of the two rotating rods; the upper end and the lower end of the inner ventilation fan are respectively fixed with a connecting rod, and the outer ends of the connecting rods are rotatably connected with a bogie; the lower end connecting rod of the fan is fixedly connected with an output shaft of a single-output-shaft motor through a coupler, and the single-output-shaft motor is fixedly connected to the lower end face of the bogie.
2. The mechanical reversing ventilation device for the interior of the circular arch type greenhouse as claimed in claim 1, wherein: the ventilation device is connected to the circular arch greenhouse framework side by side, two lifting rings are arranged at the upper end of the shell, and the shell is connected with the circular arch greenhouse framework through a steel wire rope.
3. The mechanical reversing ventilation device for the interior of the circular arch type greenhouse as claimed in claim 1, wherein: the rotating rod is rotatably connected with the fixed base through a bearing, the rotating rod is in interference fit with the inner ring of the bearing, the fixed base is in interference fit with the outer ring of the bearing, and a shaft sleeve is arranged at the gap between the fixed base and the bogie; the inner end of the rotating rod and the end close to the bogie are threaded, and the rotating rod is fixedly connected with the bogie through the pre-tightening matching of threads and nuts.
4. The mechanical reversing ventilation device for the interior of the circular arch type greenhouse as claimed in claim 1, wherein: the bevel gear is fixed on the driving rotating shaft, the driven rotating shaft and the rotating rod through a pre-tightening screw tap and a pre-tightening key, and an elastic clamp spring is arranged at the end part of the bevel gear.
5. The mechanical reversing ventilation device for the interior of the circular arch type greenhouse as claimed in claim 1, wherein: the driving rotating shaft, the bevel gear and the driven rotating shaft are all arranged inside the shell.
6. The mechanical reversing ventilation device for the interior of the circular arch type greenhouse as claimed in claim 1, wherein: and the connecting rod at the upper end of the fan is connected with the bogie through a bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010447228.0A CN111587717A (en) | 2020-05-25 | 2020-05-25 | Mechanical reversing type ventilation device in circular arch type greenhouse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010447228.0A CN111587717A (en) | 2020-05-25 | 2020-05-25 | Mechanical reversing type ventilation device in circular arch type greenhouse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111587717A true CN111587717A (en) | 2020-08-28 |
Family
ID=72179490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010447228.0A Pending CN111587717A (en) | 2020-05-25 | 2020-05-25 | Mechanical reversing type ventilation device in circular arch type greenhouse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111587717A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023239862A1 (en) * | 2022-06-08 | 2023-12-14 | Rite-Hite Holding Corporation | Adjustable mounting assemblies for a fan |
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|---|---|---|---|---|
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| CN205025796U (en) * | 2015-09-12 | 2016-02-10 | 湖州师范学院 | Ceiling fan |
| CN106089779A (en) * | 2016-06-24 | 2016-11-09 | 张家港市众鑫风机有限公司 | A kind of blower fan apparatus moved up and down and can shake the head |
| CN107218238A (en) * | 2017-08-04 | 2017-09-29 | 无锡智汇空间投资管理有限公司 | A kind of height-adjustable New Type of Fan |
| CN107642499A (en) * | 2017-10-26 | 2018-01-30 | 中国计量大学 | Axial fan device for detecting performance and its assay method |
| CN108476763A (en) * | 2018-05-03 | 2018-09-04 | 无锡康斯坦特动力科技有限公司 | A kind of energy-saving stereo formula garden trimming machine |
| CN209218745U (en) * | 2018-12-14 | 2019-08-09 | 北京蓉坤农业科技有限公司 | One kind is followed spot formula photovoltaic heliogreenhouse |
| CN210265188U (en) * | 2019-05-29 | 2020-04-07 | 上海华喜膜结构工程有限公司 | Exhaust fan |
| CN210275305U (en) * | 2019-05-05 | 2020-04-10 | 南召县鑫林源高效农业有限公司 | Ventilation system for fructus forsythiae planting and cultivating room |
| CN212436616U (en) * | 2020-05-25 | 2021-02-02 | 沈阳农业大学 | Mechanical reversing type ventilation device in circular arch type greenhouse |
-
2020
- 2020-05-25 CN CN202010447228.0A patent/CN111587717A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101016910A (en) * | 2006-02-09 | 2007-08-15 | 亨特风扇公司 | Fan mounting system |
| CN205025796U (en) * | 2015-09-12 | 2016-02-10 | 湖州师范学院 | Ceiling fan |
| CN106089779A (en) * | 2016-06-24 | 2016-11-09 | 张家港市众鑫风机有限公司 | A kind of blower fan apparatus moved up and down and can shake the head |
| CN107218238A (en) * | 2017-08-04 | 2017-09-29 | 无锡智汇空间投资管理有限公司 | A kind of height-adjustable New Type of Fan |
| CN107642499A (en) * | 2017-10-26 | 2018-01-30 | 中国计量大学 | Axial fan device for detecting performance and its assay method |
| CN108476763A (en) * | 2018-05-03 | 2018-09-04 | 无锡康斯坦特动力科技有限公司 | A kind of energy-saving stereo formula garden trimming machine |
| CN209218745U (en) * | 2018-12-14 | 2019-08-09 | 北京蓉坤农业科技有限公司 | One kind is followed spot formula photovoltaic heliogreenhouse |
| CN210275305U (en) * | 2019-05-05 | 2020-04-10 | 南召县鑫林源高效农业有限公司 | Ventilation system for fructus forsythiae planting and cultivating room |
| CN210265188U (en) * | 2019-05-29 | 2020-04-07 | 上海华喜膜结构工程有限公司 | Exhaust fan |
| CN212436616U (en) * | 2020-05-25 | 2021-02-02 | 沈阳农业大学 | Mechanical reversing type ventilation device in circular arch type greenhouse |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023239862A1 (en) * | 2022-06-08 | 2023-12-14 | Rite-Hite Holding Corporation | Adjustable mounting assemblies for a fan |
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