CN102071778A - Snow-pressing transportation type snow remover for terrace greenhouse roofing - Google Patents
Snow-pressing transportation type snow remover for terrace greenhouse roofing Download PDFInfo
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- CN102071778A CN102071778A CN 201010599557 CN201010599557A CN102071778A CN 102071778 A CN102071778 A CN 102071778A CN 201010599557 CN201010599557 CN 201010599557 CN 201010599557 A CN201010599557 A CN 201010599557A CN 102071778 A CN102071778 A CN 102071778A
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Abstract
The invention discloses a snow-pressing transportation type snow remover for a terrace greenhouse roofing, comprising a balance device, a snow sweeper, a running gear, a conveyer device and a snow pressing device, wherein a running motor in the running gear drives running wheels to move forwards; meanwhile, a snow sweeping motor in the snow sweeper drives a snow sweeping disk to rotate to cause accumulated snow on the greenhouse roofing to slide to a roof gutter; the scraper blade of the snow pressing device scraps the accumulated snow in the roof gutter into the snow pressing space of the snow pressing device to form a snow block; and the compressed snow block is pushed to the conveyer belt of the conveyer device by the scraper blade and is taken away by a transport vehicle. The snow remover can remove accumulated snow from the greenhouse roofing in time, does not affect external environment and is efficient and simple and labor-saving.
Description
Technical field
The present invention relates to a kind of snow removing machine, particularly a kind of pressure snow conveying-type snow removing machine that is used for attached-greenhouse triangle roofing.
Background technology
The production of modern installations gardening is an important channel of agricultural production, and the modern production of chamber crop is the inevitable choice of China's large tracts of land greenhouse gardening industry development.Yet winter, continuous snowfall was covered in the greenhouse roofing, not only influenced the photosynthesis of indoor sun plant, made plant can not obtain best growth; Also influence light transmission, the heat insulating ability in greenhouse, wasted a large amount of energy; Simultaneously, accumulated snow also can influence the bulk strength and the rigidity in greenhouse, causes a large amount of greenhouses to be pressed by accumulated snow and collapses, and brings destructive disaster for greenhouse and the production of booth fruits and vegetables.
The method of greenhouse roofing snow removing at present is divided into three kinds: artificial snow removing, the snow removing of snow melt method and Mechanical Method snow removing.Utilizing the plant equipment snow removing is the most practical snow-removing method, and the mechanical type snow-removing device has scraping board type, roofing slip to add three kinds of snow removal with machine devices such as tank conveyer belt type and whole conveying-type.The scraping board type snow-removing device is to drive snow scraping plate by motor by power transmission shaft and sprocket chain bar to move back and forth on roofing, will avenge from the roofing end scraping on the ground, realizes the function of sweeping away snow of roofing; Roofing slides and adds tank conveyer belt type snow-removing device when work, motor drives rain repellent silk accumulated snow system by reducer and power transmission shaft and launches on roofing, accumulated snow is slipped on the induction system through vibrational system from outer coverage rate rain repellent silk, and snow is transported to outside the greenhouse roofing, thereby realize the automatic snow of roofing by induction system; When whole conveying-type snow removing equipment is electric motor starting, drive coil silk rope sheave hub, the rotation of screen-rollong wheel hub by double strand chain, the screen-rollong wheel hub drives the scraper rotation by chain simultaneously, curtain and wire rope rotate by screen-rollong wheel hub and coil silk rope sheave hub and realize the folding and unfolding running, curtain can connect snow when launching, in the process that curtain is packed up, snow falls within ground beyond just being transported to the greenhouse roofing, realizes snow removing.
The scraping board type snow removing equipment is not suitable for the big area of snow, and its energy consumption is bigger, and it is not thorough to remove the snow, and damages the overburden of greenhouse roofing easily; Because accumulated snow has viscosity, when the roofing inclination angle is 45 °, when using the roofing slip to add the snow removing of tank conveyer belt type snow-removing device, accumulated snow is difficult to glide, must strengthen vibration intensity and inclination angle, this equipment also can produce bigger noise simultaneously, and the snow-broth after the thawing has very big difficulty when collecting; Whole conveying-type greenhouse roofing snow-removing device self cost is higher, and the difficulty of popularization is bigger.
Summary of the invention
The objective of the invention is drawback at existing greenhouse roofing snow removal with machine device existence, provide a kind of pressure efficient, low-cost, environmental protection to avenge conveying-type attached-greenhouse roofing snow removing machine, to take all factors into consideration conditions such as greenhouse roof situation, accumulated snow thickness, temperature height, reduce the influence of accumulated snow to the greenhouse.
Technical scheme of the present invention is as follows:
Pressure snow conveying-type attached-greenhouse roofing snow removing machine of the present invention comprises bascule, snow removal equipment, running gear, conveying device and snow pressure device, 2 cover snow removal equipments connect into the V font, place on the greenhouse roofing, its tie point is positioned at the gutter place of greenhouse roofing, walk in the two ends that two bascules on the spandrel girder of roofing top, greenhouse are connected to 2 cover snow removal equipments, gutter place at the greenhouse roofing is provided with running gear, conveying device and snow pressure device, running gear is connected on the tie point of 2 cover snow removal equipments, successively connect snow pressure device and conveying device thereafter, wherein:
Described bascule is made up of balance bracket, stabilizer and bearing, and balance bracket is connected the two ends of snow removal equipment, is connected with a plurality of bearings under balance bracket, and stabilizer is installed on the bearing, and described stabilizer places on the spandrel girder of roofing top, greenhouse.
Described 2 cover snow removal equipments are symmetrical arranged, every cover snow removal equipment is made up of the motor that sweeps away snow, pinion unit, the V that sweeps away snow band, raw stonemarten skin belt wheel, the support that sweeps away snow, sweep away snow dish and dish cover, 4～6 dishes that sweep away snow are installed under the support that sweeps away snow, the outer dish cover that is provided with of the dish that sweeps away snow, the sweep away snow dish top nearest at the distance gutter is provided with the motor that sweeps away snow, the motor that sweeps away snow sweeps away snow to coil by pinion unit and this and is connected, and adjacent sweeping away snow is in transmission connection with sweep away snow V band and raw stonemarten skin belt wheel between the dish.
Described running gear is made up of road wheel, movable motor and reducer, is installed in the tie point place of the support that sweeps away snow, and road wheel is connected with movable motor with reducer by V band power train.
Described snow pressure device comprises minor sprocket, roller chain, scraper plate, hinge wheel, blade holder, base plate, baffle plate, V band, belt pulley, roller and conveying motor, roller chain is installed on 1 hinge wheel and 3 minor sprockets and forms closed loop, on roller chain, evenly arrange a plurality of blade holder, scraper plate is installed in the blade holder, the below of snow pressure device is equipped with base plate, the end of scraper plate contacts with base plate, baffle plate is installed in the snow pressure device both sides, baffle plate is installed down roller, and hinge wheel is connected with conveying motor on being located at conveying device by V band and belt pulley.
Described conveying device is made up of cylinder, conveyer belt, regulating wheel, transfer gantry, conveying roller, conveying V band and belt conveyor wheel, cylinder is connected the two ends of transfer gantry, conveyer belt is looped around between two cylinders, by the regulating wheel tensioning that is located on the transfer gantry, wherein 1 cylinder is carried motor by carrying the V band to be connected with the belt conveyor wheel, is provided with conveying roller in the bottom of transfer gantry.
In the described bascule, be with elastic tape in the outer ring of stabilizer.
The dish that sweeps away snow on the described snow removal equipment is made with Merlon, stepped arrangement, and its height is extremely low successively at 400mm～150mm from height.
Described dish cover is the circular sleeve made from the elastic woven material that is covered with the long polyamide bristle of 4cm～6cm, and diameter is identical with the dish that sweeps away snow with height.
On the adjacent support that sweeps away snow that sweeps away snow between the dish, deflector is installed also.
On the described snow pressure device, between scraper plate and blade holder, spring is installed, makes scraper plate in blade holder, to stretch.End at scraper plate also is provided with the scraper plate roller.
Described conveying device is made up of multistage, and every section long 2.5m～3.5m of conveying device connects with " worker " font connecting rod that is fixed between the transfer gantry between any two.The transfer gantry of conveying device the last period is fixedlyed connected with the bottom of snow pressure device upper plate.
Pressure of the present invention snow conveying-type attached-greenhouse roofing snow removing machine designs at glass plate, the plastic plate roofing attached-greenhouse of span 6～10m and snow removing with other class triangle roofing greenhouses of plastic sheeting of spandrel girder.Its operating principle is: control device calculates accumulated snow thickness according to the snowfall size that its inside sleet sensor is measured, thereby the time opening of control snow removing machine perhaps manually starts.After starting snow removing machine, the movable motor in the running gear drives road wheel and travels forward, and the disc spins of sweeping away snow of the driven by motor of sweeping away snow in the snow removal equipment makes that the accumulated snow on the greenhouse roofing slides into the gutter place simultaneously.At this moment, the scraper plate of snow pressure device scrapes the accumulated snow at gutter place in the pressure snow space of snow pressure device, and accumulated snow is pressed into the snow piece, and the snow piece that presses is shifted onto on the conveyer belt of conveying device by scraper plate, is transported on the transport vehicle and transports.
The dish that sweeps away snow selects for use makrolon material can alleviate the weight of greenhouse roofing, in the adjacent mounting guiding board between the dish of sweeping away snow, can scrape the accumulated snow that is bonded on the dish that sweeps away snow, and can also prevent that the accumulated snow that sweeps away snow on coiling from splashing in the process of disc spins of sweeping away snow.Two row's file rubber stabilizers of bascule walk on the spandrel girder on roofing top, greenhouse, keep the balance of whole snow removing machine, simultaneously with the part weight transferance of snow removal equipment on spandrel girder.
The present invention presses snow conveying-type attached-greenhouse roofing snow removing machine by greenhouse roofing accumulated snow being implemented cleaning, collection, compression, being carried four processes, accumulated snow is removed from the greenhouse roofing rapidly, environment does not have any impact to external world, reached efficient, simple and direct, labour-saving effect, compared with similar products, cost of production is lower, and very big promotion prospect is arranged.
Description of drawings
Fig. 1 is for pressing the overall structure schematic diagram of snow conveying-type attached-greenhouse roofing snow removing machine;
Fig. 2 is the front view of snow removal equipment structure;
Fig. 3 is the vertical view of snow removal equipment structure;
Fig. 4 is the dish structure chart that sweeps away snow of snow removal equipment;
Fig. 5 is the partial enlarged drawing of snow removal equipment transmission system;
Fig. 6 is the structural front view of bascule;
Fig. 7 is the left view of balance device structure;
Fig. 8 is the front view of snow pressure device structure;
Fig. 9 is the vertical view of snow pressure device structure;
Figure 10 is the assembling front view of scraper plate and blade holder;
Figure 11 is the assembling left view of scraper plate and blade holder;
Figure 12 is the structural representation of running gear;
Figure 13 is the structural representation of conveying device;
Figure 14 is the connection diagram of snow pressure device and conveying device.
Among the figure: 1, bascule, 2, snow removal equipment, 3, running gear, 4, conveying device, 5, snow pressure device, 6, gutter, 7, the greenhouse roofing, 8, spandrel girder, 9, motor sweeps away snow, 10, pinion unit, 11, the V that sweeps away snow band, 12, the raw stonemarten skin belt wheel, 13, the dish power transmission shaft sweeps away snow, 14, the support that sweeps away snow, 15, the dish that sweeps away snow, 16, the dish cover, 17, deflector, 19, balance bracket, 20, elastic tape, 22, stabilizer, 23 bearings, 24, minor sprocket, 25, roller chain, 26, scraper plate, 29, hinge wheel, 31, the scraper plate roller, 32, blade holder, 35, base plate, 36, baffle plate, 37, the V band, 38, belt pulley, 39, roller, 40, spring, 41, road wheel, 42, movable motor, 43, reducer, 44, V is with power train, 45, cylinder, 46, conveyer belt, 47, regulating wheel, 49, transfer gantry, 50 conveying rollers, 51, " worker " font connecting rod, 52, carry motor, 53, carry the V band, 54, the belt conveyor wheel.
The specific embodiment
Press snow conveying-type attached-greenhouse roofing snow removing machine to form by bascule 1, snow removal equipment 2, running gear 3, conveying device 4 and snow pressure device 5, structure is as shown in Figure 1: 2 cover snow removal equipments 2 connect into the V font, place on the greenhouse roofing 7, its tie point is positioned at gutter 6 places of greenhouse roofing; Two bascules 1 are connected to the two ends of 2 cover snow removal equipments 2, can walk on roofing top, the greenhouse spandrel girder 8; Running gear 3 is located at gutter 6 places of greenhouse roofing, is connected on the tie point of 2 cover snow removal equipments 2; Snow pressure device 5 and conveying device 4 are connected in turn after the running gear 3.
Wherein, the structure of bascule 1 such as Fig. 6, Fig. 7 are made up of balance bracket 19, stabilizer 22 and bearing 23, balance bracket 19 is connected the two ends of snow removal equipment 2, balance bracket connects a plurality of bearings 23 for 19 times, and stabilizer 22 is installed on the bearing 23, and the outer ring of stabilizer 22 is with elastic tape 20.Stabilizer 22 places on the spandrel girder 8 on roofing top, greenhouse, keeps the balance of whole snow removing machine, simultaneously with the part weight transferance of snow removal equipment on spandrel girder.
The structure of running gear 3 such as Figure 12, form by road wheel 41, movable motor 42 and reducer 43, be installed in the tie point place of the support 14 that sweeps away snow, road wheel 41 is connected with movable motor 42 with reducer 43 by V band power train 44, and movable motor 42 drives road wheel 41 and travels forward.
The structure of snow pressure device 5 such as Fig. 8, shown in Figure 9, comprise that minor sprocket 24, roller chain 25, scraper plate 26, hinge wheel 29, blade holder 32, base plate 35, baffle plate 36, V are with 37, belt pulley 38, roller 39 and carry motor 52, roller chain 25 is installed on 1 hinge wheel 29 and 3 minor sprockets 24 and forms closed loop.On roller chain 25, evenly be furnished with a plurality of blade holder 32, as Figure 10, Figure 11, scraper plate 26 is installed in the blade holder 32, the end of scraper plate 26 is provided with scraper plate roller 31, between scraper plate 26 and blade holder 32, spring 40 is installed, make scraper plate 26 can be in blade holder 32 stretching motion.Base plate 35 is installed in the below of snow pressure device 5, and base plate 35 is with the moving direction of scraper plate 26 epirelief gradually, and the roller 31 of scraper plate 26 ends contacts with base plate 35.Baffle plate 36 is installed in the both sides of snow pressure device 5, and baffle plate is installed roller 39 36 times, and snow pressure device 5 is under the promotion of running gear 3, and the slip by roller 39 moves forward.Hinge wheel 29 is connected with conveying motor 52 on being located at conveying device 4 with belt pulley 38 with 37 by V, carry motor 52 to be with 37 power to flow to hinge wheel 29 by V, hinge wheel 29 rotations make roller chain 25 move together, the scraper plate 26 that stretches out is scraped the accumulated snow at gutter 6 places by scraper plate 26, roller chain 25, base plate 35 and is positioned at the enclosure space that the baffle plate 36 of both sides constitutes jointly, scraper plate 26 moves horizontally backward with roller chain 25, base plate 35 epirelief gradually in moving process, enclosure space reduces gradually, and accumulated snow is by compacting gradually.
Conveying device 4 is as Figure 13, form by multistage, every section conveying device by cylinder 45, conveyer belt 46, regulating wheel 47, transfer gantry 49, conveying roller 50, carry V be with 53 and belt conveyor wheel 54 form, long 2.5m～3.5m connects with " worker " font connecting rod 51 that is fixed between the transfer gantry 49 between two two conveyors 4.Cylinder 45 is connected the two ends of transfer gantry 49, and conveyer belt 46 is looped around between two cylinders 45, by regulating wheel 47 tensionings that are located on the transfer gantry 49.As shown in figure 14, the last period, conveying device 4 transfer gantry 49 was fixedlyed connected with the bottom of snow pressure device 5 upper plates 35, and its cylinder 45 is with 53 to be connected conveying motor 52 with belt conveyor wheel 54 by carrying V.Be provided with conveying roller 50 in the bottom of transfer gantry 49, conveying device 4 is under the promotion of running gear 3, and the slip by roller 50 moves forward.Simultaneously, the snow piece of compacting is shifted onto on the conveyer belt 46 of conveying device 4 from base plate 35 by scraper plate 26, is transported on the transport vehicle and transports.
Claims (10)
1. press snow conveying-type attached-greenhouse roofing snow removing machine for one kind, comprise bascule (1), snow removal equipment (2), running gear (3), conveying device (4) and snow pressure device (5), 2 cover snow removal equipments (2) connect into the V font, place on the greenhouse roofing (7), its tie point is positioned at the gutter (6) of greenhouse roofing and locates, walk in the two ends that two bascules (1) on roofing top, the greenhouse spandrel girder (8) are connected to 2 cover snow removal equipments (2), gutter (6) at the greenhouse roofing locates to be provided with running gear (3), conveying device (4) and snow pressure device (5), running gear (3) is connected on the tie point of 2 cover snow removal equipments (2), successively connect snow pressure device (5) and conveying device (4), it is characterized in that thereafter:
Described bascule (1) is made up of balance bracket (19), stabilizer (22) and bearing (23), balance bracket (19) is connected the two ends of snow removal equipment (2), under balance bracket (19), be connected with a plurality of bearings (23), stabilizer (22) is installed on the bearing (23), and described stabilizer (22) places on roofing top, the greenhouse spandrel girder (8);
Described 2 cover snow removal equipments (2) are symmetrical arranged, every cover snow removal equipment (2) is by the motor that sweeps away snow (9), pinion unit (10), the V that sweeps away snow is with (11), raw stonemarten skin belt wheel (12), support (14) sweeps away snow, dish (15) and dish cover (16) composition sweep away snow, 4～6 dishes (15) that sweep away snow are installed under the support that sweeps away snow (14), the outer dish cover (16) that is provided with of the dish (15) that sweeps away snow, sweep away snow dish (15) top nearest at distance gutter (6) is provided with the motor that sweeps away snow (9), the motor (9) that sweeps away snow is connected by pinion unit (10) and this dish (15) that sweeps away snow, and adjacent sweeping away snow is in transmission connection with sweep away snow V band (11) and raw stonemarten skin belt wheel (12) between the dish (15);
Described running gear (3) is made up of road wheel (41), movable motor (42) and reducer (43), is installed in the tie point place of the support that sweeps away snow (14), and road wheel (41) is connected with movable motor (42) with reducer (43) by V band power train (44);
Described snow pressure device (5) comprises minor sprocket (24), roller chain (25), scraper plate (26), hinge wheel (29), blade holder (32), base plate (35), baffle plate (36), V is with (37), belt pulley (38), roller (39) and conveying motor (52), roller chain (25) is installed in 1 hinge wheel (29) and goes up the formation closed loop with 3 minor sprockets (24), go up evenly layout a plurality of blade holder (32) at roller chain (25), scraper plate (26) is installed in the blade holder (32), the below of snow pressure device (5) is equipped with base plate (35), the end of scraper plate (26) contacts with base plate (35), baffle plate (36) is installed in snow pressure device (5) both sides, baffle plate (36) is installed down roller (39), and hinge wheel (29) is connected with conveying motor (52) on being located at conveying device (4) by V band (37) and belt pulley (38);
Described conveying device (4) is made up of cylinder (45), conveyer belt (46), regulating wheel (47), transfer gantry (49), conveying roller (50), conveying V band (53) and belt conveyor wheel (54), cylinder (45) is connected the two ends of transfer gantry (49), conveyer belt (46) is looped around between two cylinders (45), by regulating wheel (47) tensioning that is located on the transfer gantry (49), wherein 1 cylinder (45) is carried motor (52) by carrying V band (53) to be connected with belt conveyor wheel (54), is provided with conveying roller (50) in the bottom of transfer gantry (49).
2. pressure snow conveying-type attached-greenhouse roofing snow removing machine according to claim 1 is characterized in that, is with elastic tape (20) in the outer ring of stabilizer (22).
3. pressure snow conveying-type attached-greenhouse roofing snow removing machine according to claim 1 is characterized in that the height of the described dish (15) that sweeps away snow is successively at 400mm～150mm.
4. according to claim 1 or 3 described pressure snow conveying-type attached-greenhouse roofing snow removing machines, it is characterized in that the described dish (15) that sweeps away snow is made with Merlon.
5. pressure snow conveying-type attached-greenhouse roofing snow removing machine according to claim 1 is characterized in that described dish cover (16) is the circular sleeve made from the elastic woven material that is covered with the long polyamide bristle of 4cm～6cm, and diameter is identical with the dish (15) that sweeps away snow with height.
6. pressure snow conveying-type attached-greenhouse roofing snow removing machine according to claim 1 is characterized in that, on the adjacent support that sweeps away snow (14) that sweeps away snow between the dish (15) deflector (17) is installed.
7. pressure snow conveying-type attached-greenhouse roofing snow removing machine according to claim 1 is characterized in that between scraper plate (26) and blade holder (32) spring (40) is installed, scraper plate (26) can stretch in blade holder (32).
8. according to claim 1 or 7 described pressures snow conveying-type attached-greenhouse roofing snow removing machines, it is characterized in that, be provided with scraper plate roller (31) at the end of scraper plate (26).
9. pressure snow conveying-type attached-greenhouse roofing snow removing machine according to claim 1, it is characterized in that, described conveying device (4) is made up of multistage, long 2.5m～the 3.5m of every section conveying device (4) connects with " worker " font connecting rod (51) that is fixed between the transfer gantry (49) between any two.
10. pressure according to claim 9 snow conveying-type attached-greenhouse roofing snow removing machine is characterized in that, the transfer gantry (49) of described conveying device (4) the last period is fixedlyed connected with the bottom of snow pressure device (5) upper plate (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010599557 CN102071778B (en) | 2010-12-15 | 2010-12-15 | Snow-pressing transportation type snow remover for terrace greenhouse roofing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010599557 CN102071778B (en) | 2010-12-15 | 2010-12-15 | Snow-pressing transportation type snow remover for terrace greenhouse roofing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102071778A true CN102071778A (en) | 2011-05-25 |
| CN102071778B CN102071778B (en) | 2012-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010599557 Expired - Fee Related CN102071778B (en) | 2010-12-15 | 2010-12-15 | Snow-pressing transportation type snow remover for terrace greenhouse roofing |
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| CN (1) | CN102071778B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102405799A (en) * | 2011-08-05 | 2012-04-11 | 上海电机学院 | Mechanical scraping and electrical heating combined snow removal greenhouse |
| CN102619384A (en) * | 2012-04-01 | 2012-08-01 | 西安建筑科技大学 | Directional dehumidification anti-condensation device for tent |
| CN103225372A (en) * | 2013-05-22 | 2013-07-31 | 四川大学 | Vegetable greenhouse snow protection and removal device |
| CN104533032A (en) * | 2014-11-18 | 2015-04-22 | 高玉龙 | Automatic snow removal device for greenhouse |
| CN107201801A (en) * | 2017-07-19 | 2017-09-26 | 江苏建筑职业技术学院 | A kind of adjustable-pitch solar energy sunshade roofing |
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| JP2000320186A (en) * | 1999-05-07 | 2000-11-21 | Green System:Kk | Building snow eliminating device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102405799A (en) * | 2011-08-05 | 2012-04-11 | 上海电机学院 | Mechanical scraping and electrical heating combined snow removal greenhouse |
| CN102619384A (en) * | 2012-04-01 | 2012-08-01 | 西安建筑科技大学 | Directional dehumidification anti-condensation device for tent |
| CN102619384B (en) * | 2012-04-01 | 2014-05-28 | 西安建筑科技大学 | Directional dehumidification anti-condensation device for tent |
| CN103225372A (en) * | 2013-05-22 | 2013-07-31 | 四川大学 | Vegetable greenhouse snow protection and removal device |
| CN103225372B (en) * | 2013-05-22 | 2015-01-07 | 四川大学 | Vegetable greenhouse snow protection and removal device |
| CN104533032A (en) * | 2014-11-18 | 2015-04-22 | 高玉龙 | Automatic snow removal device for greenhouse |
| CN107201801A (en) * | 2017-07-19 | 2017-09-26 | 江苏建筑职业技术学院 | A kind of adjustable-pitch solar energy sunshade roofing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102071778B (en) | 2012-06-06 |
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