CN109699344B - A automatic shop membrane device for green house - Google Patents
A automatic shop membrane device for green house Download PDFInfo
- Publication number
- CN109699344B CN109699344B CN201910086341.8A CN201910086341A CN109699344B CN 109699344 B CN109699344 B CN 109699344B CN 201910086341 A CN201910086341 A CN 201910086341A CN 109699344 B CN109699344 B CN 109699344B
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- Prior art keywords
- film
- drawing pipe
- film drawing
- greenhouse
- plate
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- 239000012528 membrane Substances 0.000 title abstract description 19
- 238000004804 winding Methods 0.000 claims abstract description 10
- 238000005096 rolling process Methods 0.000 claims description 8
- 239000004744 fabric Substances 0.000 abstract description 38
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 241000196324 Embryophyta Species 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 239000004809 Teflon Substances 0.000 description 3
- 229920006362 Teflon® Polymers 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 230000012010 growth Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241000219112 Cucumis Species 0.000 description 1
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000012272 crop production Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Images
Classifications
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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
Landscapes
- Greenhouses (AREA)
Abstract
The invention provides an automatic film paving device for an agricultural greenhouse, which relates to the technical field of greenhouse planting and comprises a guide rail line and a film pulling mechanism, wherein the guide rail line and the film pulling mechanism are erected on two sides of the greenhouse along the length direction of the greenhouse; two ends of the film drawing mechanism are respectively connected to one winding wheel through a traction wire, and the two winding wheels are fixedly connected to two ends of the rotating shaft; the film drawing mechanism comprises a film drawing pipe and a film fixing frame, an opening which penetrates through the film drawing pipe along the axial direction of the film drawing pipe is formed in the side wall of the film drawing pipe, the film fixing frame comprises a transverse plate and a vertical plate, the vertical plate is vertically fixed to one end of the transverse plate, the vertical plate is located in the film drawing pipe, the transverse plate penetrates through the opening and extends out of the film drawing pipe, and a film clamping clamp is arranged on the transverse plate located out of the film drawing pipe. The problem of spread membrane waste time and energy and damage membrane cloth easily among the prior art is solved.
Description
Technical Field
The invention relates to the technical field of greenhouse planting, in particular to an automatic film paving device for an agricultural greenhouse.
Background
The greenhouse is a protection facility for vegetables, melons and fruits, flowers and plants, agricultural production is carried out by utilizing the climate effect of the greenhouse, the effects of rain sheltering cultivation, drought and waterlogging conservation, out-of-season regulation and control and the like are achieved, the crop production effect can be improved, and the greenhouse is widely used by people. The greenhouse usually comprises transparent film cloth and a framework for supporting the film cloth, a closed space is formed by the film cloth and the framework, so that plants planted in the greenhouse can normally receive irradiation of sunlight, and the film cloth can play the effects of blocking rainwater, blocking wind and preserving heat.
However, the film cloth can not be lapped on the framework once and for all, no management is needed, the plant growth is seasonal, most plants are in one growth cycle per year, the old film needs to be removed and the new film needs to be replaced according to different growth stages of the plants, the best length of the existing greenhouse is 80-100 meters, the film laying difficulty is high, the labor intensity is high, particularly for some fruit tree greenhouses, the height is far higher than the height of people, the film laying mode is generally adopted, the film cloth corresponding to the length of the greenhouse is firstly laid on one side of the greenhouse along the length direction of the greenhouse, a plurality of ropes are tied along the length direction of the film cloth at intervals, the free ends of the ropes are thrown to the other side of the greenhouse, and the other end of each rope is corresponding to one person to pull the film cloth, so that the film cloth is laid on the framework. The method is time-consuming and labor-consuming, needs cooperation of a plurality of people, increases the film laying cost, and easily damages the film cloth due to friction between the film cloth and the framework in the film drawing process.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an automatic film paving device for an agricultural greenhouse, which solves the problems that film paving is time-consuming and labor-consuming and film cloth is easy to damage in the prior art.
In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows:
the automatic film paving device for the agricultural greenhouse comprises a guide rail line and a film pulling mechanism, wherein the guide rail line and the film pulling mechanism are erected on two sides of the greenhouse along the length direction of the greenhouse; two ends of the film drawing mechanism are respectively connected to one winding wheel through a traction wire, and the two winding wheels are fixedly connected to two ends of the rotating shaft;
the film drawing mechanism comprises a film drawing pipe and a film fixing frame, an opening which penetrates through the film drawing pipe along the axial direction of the film drawing pipe is formed in the side wall of the film drawing pipe, the film fixing frame comprises a transverse plate and a vertical plate, the vertical plate is vertically fixed to one end of the transverse plate, the vertical plate is located in the film drawing pipe, the transverse plate penetrates through the opening and extends out of the film drawing pipe, and a film clamping clamp is arranged on the transverse plate located out of the film drawing pipe.
Furthermore, the cross section of the guide rail line is circular, and an outer cylindrical surface of the walking wheel is provided with an arc-shaped ring groove with the same diameter as the guide rail line. The guide rail line has the same diameter as the arc-shaped groove, so that the guide rail line has no redundant space and can deviate, the running process is prevented from generating play, and the running stability of the film drawing mechanism is ensured.
Furthermore, the bottoms of the two ends of the film drawing pipe are fixedly connected with supporting blocks, and the travelling wheels are rotatably connected to the supporting blocks. The walking wheels are installed through the supporting blocks, so that the walking wheels are located below the film pulling pipes, and the walking wheels are prevented from blocking the two ends of the film pulling pipes and interfering the film fixing frame to be installed in the film pulling pipes.
Furthermore, a fixed shaft which extends along the axial direction of the film drawing pipe and towards one end far away from the film drawing pipe is fixed on the supporting block, a rolling bearing is sleeved on the fixed shaft, and a travelling wheel is sleeved on the rolling bearing. The walking wheel is rotatably connected to the fixed shaft through the rolling bearing, so that the walking wheel can rotate more smoothly.
Furthermore, the two ends of the film drawing pipe are respectively fixed with a draw hook which is horizontally fixed on the opposite side surfaces of the opening. The draw wire and the drawing wire are fixed through the draw hook, and the upper end of the draw hook is opened, so that the drawing wire and the film drawing pipe can be conveniently and quickly detached or installed.
Furthermore, the film fastening clamp comprises a film fastening plate, the film fastening plate is arranged above the transverse plate in parallel, two ends of the film fastening plate are hinged to the side face of the transverse plate, and a fastening tape is fixed on the film fastening plate and is adhered to the bottom face of the transverse plate. The fastening tape has elasticity, and after the fastening tape is stretched and bonded, the film tightening plate is tightly attached to the transverse plate, so that the film cloth is clamped and fixed; the fastening tape can be repeatedly separated and bonded without influencing the bonding firmness, and the operation is convenient and quick.
Furthermore, a rubber strip is fixed on the bottom surface of the film tightening plate. Through the frictional force between tight diaphragm plate of rubber strip increase and the membrane cloth, increase the fixed fastness of tight membrane clamp to the membrane cloth.
Further, the rotating shaft is driven to rotate by a motor. The rotating shaft is driven to rotate by the motor, so that the labor intensity is reduced, and the automation is easy to realize.
Further, a turning handle is provided on the reel. The handle is rotated to conveniently carry out manual operation to the wire winding wheel to the adaptation needs the condition of going on finely tuning to the shop's membrane process occasionally.
The invention has the beneficial effects that: the automatic film paving device for the agricultural greenhouse can pave films along the length direction of the greenhouse, is more matched with the existing winding drum type film cloth, enables the purchased film cloth to be directly used for the film paving device, and does not need manpower to completely unfold the film cloth; the film paving device can adapt to greenhouses with different lengths, the adaptive cost is only needed to fix the guide rail line with the corresponding length beside the greenhouse, and the cost is low.
The film pulling mechanism is pulled to advance by winding a traction wire through the winding wheel, and the travelling wheels at the two ends keep the balance of the film pulling mechanism and reduce the friction between the film pulling mechanism and the guide rail line, so that the film pulling mechanism can advance more smoothly; the membrane cloth that the big-arch shelter used has better intensity usually, and is fixed through the clamp of solid membrane frame for membrane cloth can follow and draw membrane mechanism to advance along the guide rail line, and along with drawing the end that membrane mechanism walked the big-arch shelter, on membrane cloth also extended to the skeleton of whole big-arch shelter naturally, again through the manpower with membrane cloth fix on the skeleton can, easy operation, convenience, efficient.
The film pulling mechanism is located right above the greenhouse, after the film pulling mechanism moves to the other end from one end of the greenhouse, the film cloth is laid right above the greenhouse framework, and then the film cloth falls onto the greenhouse framework after losing support, so that the film laying device can be used for the greenhouse with an arched framework, a herringbone framework or a broken line framework, and the application range of the film laying device is enlarged.
Drawings
Fig. 1 is a schematic structural diagram of an automatic film laying device for an agricultural greenhouse.
Fig. 2 is a schematic structural diagram of the film drawing mechanism in fig. 1.
Fig. 3 is a left side view of fig. 2.
Wherein, 1, a guide line; 2. a film pulling mechanism; 21. drawing a membrane tube; 211. an opening; 22. a film fixing frame; 221. a transverse plate; 222. a vertical plate; 23. tightly clamping the film clamp; 231. tightening the membrane plate; 232. a hook and loop fastener; 233. a rubber strip; 24. a support block; 25. a fixed shaft; 26. a rolling bearing; 27. pulling a hook; 3. a traveling wheel; 31. circular arc-shaped ring grooves; 4. a pull wire; 5. a reel; 51. rotating the handle; 6. a rotating shaft; 7. an electric motor.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the invention as defined and defined in the appended claims, and all matters produced by the invention using the inventive concept are protected.
As shown in fig. 1, the automatic film paving device for the agricultural greenhouse comprises a guide rail line 1 and a film pulling mechanism 2 which are erected on two sides of the greenhouse along the length direction of the greenhouse, wherein two ends of the film pulling mechanism 2 are respectively and rotatably connected with a walking wheel 3, and the walking wheels 3 walk on the guide rail line 1; both ends of the film drawing mechanism 2 are respectively connected to one reel 5 through a traction wire 4, and the two reels 5 are fixedly connected to both ends of a rotating shaft 6. The proportion of the film laying device to the greenhouse in fig. 1 is not an actual proportion, and the view of the greenhouse in fig. 1 is added only for showing that the film laying device is mainly positioned above the greenhouse.
The guide rail line 1 needs to be fixed on a wooden pile or a concrete pile body, the pile bodies are respectively fixed at four corners of the greenhouse, one guide rail line 1 is fixed between the two pile bodies at the same side, if the greenhouse is too long, a support column can be used in the middle of the guide rail line 1, and the support column is supported below the guide rail line 1. The guide line 1 is circular in cross section and has a diameter of not less than 8 mm, and is made of steel.
In order to reduce the bearing burden of the guide rail line 1, the film drawing mechanism 2 is integrally processed by polytetrafluoroethylene materials with good strength and low density, in order to ensure that the walking wheels 3 have certain self weight to ensure the close contact with the guide rail line 1, the walking wheels 3 are steel or iron pieces, and arc-shaped annular grooves 31 with the same diameter as the guide rail line 1 are machined on the outer cylindrical surface of the walking wheels 3. The traction wire 4 is a steel wire, and the reel 5 may be made of rubber or steel.
As shown in fig. 2 and 3, the film drawing mechanism 2 includes a film drawing tube 21 and a film fixing frame 22, and an opening 211 passing through the film drawing tube 21 along the axial direction is provided on the side wall of the film drawing tube 21, that is, the cross section of the film drawing tube 21 is C-shaped with a smaller opening. The film fixing frame 22 comprises a transverse plate 221 and a vertical plate 222, the vertical plate 222 is vertically fixed at one end of the transverse plate 221, the vertical plate 222 is located in the film drawing pipe 21, the height of the vertical plate 222 is larger than the width of the opening 211, the transverse plate 221 penetrates through the opening 211 and extends out of the film drawing pipe 21, and the vertical plate 222 cannot move out of the opening 211 to limit and fix the film fixing frame 22.
The transverse plate 221 positioned outside the film pulling tube 21 is provided with a film clamping clip 23, and the film clamping clip 23 is used for fixing film cloth for the greenhouse. The film clamping clip 23 comprises a film clamping plate 231, wherein the film clamping plate 231 is arranged above the transverse plate 221 in parallel and two ends of the film clamping plate 231 are hinged on the side surface of the transverse plate 221. The lateral surfaces of the transverse plate 221 are respectively bonded with a stud, two ends of the film tightening plate 231 are respectively provided with a support plate which is similar to a comma shape, the support plate is provided with a through hole which can be sleeved on the stud in a clearance manner, and after the sleeve connection, the end part of the stud is locked through a nut, so that the film tightening plate 231 can rotate relative to the transverse plate 221.
One end of the film tightening plate 231, which is far away from the film pulling tube 21, is fixed with a fastening tape 232, the fastening tape 232 is called a magic tape, one surface of the fastening tape 232 is fine and soft fibers, and the other surface of the fastening tape is full of hard barbed hairs with hooks. The fiber surface of the hook and loop fastener 232 is fixed to the film fastening plate 231, and the barbed surface is fixed to the bottom surface of the horizontal plate 221. Because the film tightening plate 231 and the transverse plate 221 are made of teflon, a teflon surface treating agent needs to be used for treatment before the glue is adhered to the fastening tape 232, which is the same as the treatment method for the glue adhesion of the teflon material and the steel plate, and the method is a conventional technical means in the field and is not repeated here.
The fastening tape 232 includes two surfaces, one surface is an elastic tape, the surface is parallel to the lateral surface of the transverse plate 221 when the fastening tape 232 is fixed, the other surface is a fiber surface of the fastening tape, the surface is parallel to the bottom surface of the transverse plate 221 when the fastening tape 232 is fixed, the elastic tape needs to be pulled to enable the elastic tape to generate elastic deformation when the fastening tape 232 is fixed, and after the fiber surface is bonded with the barbed surface, the elastic force of the elastic tape enables the film fastening plate 231 to be attached to the transverse plate 221 all the time to fix the film cloth. In order not to interfere with smooth pulling of the film cloth, the fastening tapes 232 are fixed only to both ends of the film fastening plate 231. In order to increase the fixing firmness of the membrane cloth, a rubber strip 233 is fixed on the bottom surface of the membrane fastening plate 231.
When the film cloth is used, the purchased film cloth for the greenhouse is wound on a cylindrical hollow pipe, and the hollow pipe is penetrated on a shaft and suspended in the air, so that the film cloth can rotate under the action of the tension of the film cloth in the pulling process; taking the film tightening clamp 23 out of the film tightening pipe 21, lifting the film tightening plate 231, flatly and uniformly placing the free end of the film cloth between the film tightening plate 231 and the transverse plate 221, pulling the fastening tape 232 and fixing the film cloth on the bottom surface of the transverse plate 221, and fixing the film cloth through the extrusion of the rubber strip 233 and the transverse plate 221; then, the film fixing frame 22 is inserted from one end of the film drawing tube 21, so that the film cloth extends forward following the advance of the film drawing tube 21.
The bottom at the two ends of the film drawing pipe 21 is bonded with a supporting block 24 by glue, a fixing shaft 25 which extends along the axial direction of the film drawing pipe 21 and towards one end far away from the film drawing pipe 21 is fixed on the supporting block 24, a rolling bearing 26 is sleeved on the fixing shaft 25, and the walking wheel 3 is sleeved on the rolling bearing 26. The film drawing pipe 21 is lifted through the supporting block 24, the walking wheels 3 are prevented from blocking two ends of the film drawing pipe 21, and the film fixing frame 22 cannot penetrate into the film drawing pipe 21.
Draw hooks 27 are respectively fixed at two ends of the film drawing tube 21, and the draw hooks 27 are horizontally fixed on the opposite sides of the opening 211. One end of the traction wire 4 is provided with an annular buckle, the annular buckle is hung on the hook 27, and the other end of the traction wire 4 is wound on the reel 5 at the corresponding end. The reel 5 is provided with a recess for receiving the wound traction wire 4. The reels 5 at both ends are coaxially connected to the rotating shaft 6 to ensure the coaxial rotation of the two reels 5, and the reels 5 are keyed with the rotating shaft 6.
The rotating shaft 6 is driven to rotate by the motor 7, and the driving mode of the motor 7 is determined according to the type or type of the selected motor. If the motor 7 adopts a double-shaft motor, the rotating shaft 6 is divided into two identical parts, one part is fixed with a reel 5, and two output shafts of the motor are directly connected with the two parts of the rotating shaft 6 through couplers respectively. Alternatively, a pulley may be fixed to the rotary shaft 6, a single-shaft motor may be selected, and another pulley may be fixed to an output shaft of the motor to transmit the driving force of the motor 7 to the rotary shaft 6 by belt transmission. Other ways of driving the rotation shaft by the motor, which are common in the art, are also possible.
The rotary handle 51 is fixed on the end face of the reel 5, the rotary handle 51 is Z-shaped, under the condition that the motor 7 is not driven, a person can hold the rotary handle 51, rotate the reel 5, manually lay the film, or temporarily adjust the film laying process, for example, after the motor 7 is turned off, the length of the film cloth is found to be insufficient, the film can be manually rotated to prolong the film laying length a little, and the phenomenon that the motor is restarted to cause waste of electric power is avoided.
Claims (7)
1. The automatic film paving device for the agricultural greenhouse is characterized by comprising a guide rail line (1) and a film pulling mechanism (2) which are erected on two sides of the greenhouse along the length direction of the greenhouse, wherein two ends of the film pulling mechanism (2) are rotatably connected with walking wheels (3), and the walking wheels (3) are positioned on the guide rail line (1); both ends of the film drawing mechanism (2) are respectively connected to a winding wheel (5) through a traction wire (4), and the two winding wheels (5) are fixedly connected to both ends of a rotating shaft (6);
the film drawing mechanism (2) comprises a film drawing pipe (21) and a film fixing frame (22), an opening (211) which penetrates through the film drawing pipe (21) along the axial direction of the film drawing pipe is formed in the side wall of the film drawing pipe (21), the film fixing frame (22) comprises a transverse plate (221) and a vertical plate (222), the vertical plate (222) is vertically fixed at one end of the transverse plate (221), the vertical plate (222) is located in the film drawing pipe (21), the transverse plate (221) penetrates through the opening (211) and extends out of the film drawing pipe (21), and a film clamping clamp (23) is arranged on the transverse plate (221) located outside the film drawing pipe (21);
the film fastening clamp (23) comprises a film fastening plate (231), the film fastening plate (231) is arranged above the transverse plate (221) in parallel, two ends of the film fastening plate are hinged to the side surface of the transverse plate (221), a fastening tape (232) is fixed on the film fastening plate (231), and the fastening tape (232) is adhered to the bottom surface of the transverse plate (221); and a rubber strip (233) is fixed on the bottom surface of the film tightening plate (231).
2. The automatic film spreading device for the agricultural greenhouse as claimed in claim 1, wherein the cross section of the guide track line (1) is circular, and an arc-shaped ring groove (31) with the same diameter as that of the guide track line (1) is arranged on the outer cylindrical surface of the walking wheel (3).
3. The automatic film paving device for the agricultural greenhouse as claimed in claim 1, wherein the bottom of the two ends of the film drawing pipe (21) is fixedly connected with a supporting block (24), and the travelling wheels (3) are rotatably connected to the supporting block (24).
4. The automatic film paving device for the agricultural greenhouse as claimed in claim 3, wherein a fixed shaft (25) extending along the axial direction of the film drawing pipe (21) and towards one end far away from the film drawing pipe (21) is fixed on the supporting block (24), a rolling bearing (26) is sleeved on the fixed shaft (25), and the travelling wheel (3) is sleeved on the rolling bearing (26).
5. The automatic film laying device for the agricultural greenhouse as claimed in claim 1, wherein the film drawing pipe (21) is fixed with draw hooks (27) at two ends respectively, and the draw hooks (27) are horizontally fixed on opposite sides of the opening (211).
6. The automatic mulching device for agricultural greenhouses according to claim 1, wherein the rotating shaft (6) is driven to rotate by a motor (7).
7. The automatic mulching device for agricultural greenhouses according to claim 1 or 6, wherein the reel (5) is provided with a rotating handle (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910086341.8A CN109699344B (en) | 2019-01-29 | 2019-01-29 | A automatic shop membrane device for green house |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910086341.8A CN109699344B (en) | 2019-01-29 | 2019-01-29 | A automatic shop membrane device for green house |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109699344A CN109699344A (en) | 2019-05-03 |
| CN109699344B true CN109699344B (en) | 2021-11-02 |
Family
ID=66263147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910086341.8A Active CN109699344B (en) | 2019-01-29 | 2019-01-29 | A automatic shop membrane device for green house |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109699344B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113508706A (en) * | 2021-04-18 | 2021-10-19 | 周银华 | Arched plastic greenhouse film covering machine |
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| JPH08112043A (en) * | 1994-10-17 | 1996-05-07 | Mitsubishi Agricult Mach Co Ltd | Mulch strut supporting device for mulch film |
| CN201022286Y (en) * | 2007-04-29 | 2008-02-20 | 蔡杰 | Greenhouse built-in type rolling screen device |
| CN106613508A (en) * | 2017-01-05 | 2017-05-10 | 成都思农农业科技有限公司 | Efficient greenhouse plastic film guide lifting system |
| CN108781914A (en) * | 2018-06-19 | 2018-11-13 | 徐州佳联农业发展有限公司 | One kind planting agricultural greenhouse greenhouse for landscape flower |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87206925U (en) * | 1987-04-30 | 1987-12-31 | 皮玉俊 | Suspending device |
| CN2312646Y (en) * | 1997-10-24 | 1999-04-07 | 杨传金 | Multi-rail type curtain bracket |
| CN2616145Y (en) * | 2003-03-19 | 2004-05-19 | 杨正益 | Improved curtain rail fixing frame |
| CN204660945U (en) * | 2015-04-02 | 2015-09-23 | 深圳山源电器股份有限公司 | A kind of jaw for clamping paper tape and poling machine |
| CN105724120A (en) * | 2016-04-15 | 2016-07-06 | 杨淑祥 | Greenhouse for planting flowers |
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| Publication number | Publication date |
|---|---|
| CN109699344A (en) | 2019-05-03 |
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