CN210537769U - Film coiling mechanism for big-arch shelter - Google Patents
Film coiling mechanism for big-arch shelter Download PDFInfo
- Publication number
- CN210537769U CN210537769U CN201921562434.5U CN201921562434U CN210537769U CN 210537769 U CN210537769 U CN 210537769U CN 201921562434 U CN201921562434 U CN 201921562434U CN 210537769 U CN210537769 U CN 210537769U
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- Prior art keywords
- groove
- rod
- film
- greenhouse
- moving
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- Expired - Fee Related
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- 238000005096 rolling process Methods 0.000 claims abstract description 37
- 238000009434 installation Methods 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 238000005507 spraying Methods 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 238000000034 method Methods 0.000 abstract description 7
- 238000004804 winding Methods 0.000 description 18
- 230000000694 effects Effects 0.000 description 6
- 239000007921 spray Substances 0.000 description 6
- 239000012528 membrane Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
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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 utility model discloses a film rolling device for a greenhouse, which comprises two installation arch rings; through grooves are formed in each mounting arch ring, and toothed plates are arranged on two inner walls of each through groove; a transmission gear is connected between the two toothed plates, and one side of each transmission gear is provided with an elastic seat; each elastic seat is provided with two clamping plates, and one side surface of each clamping plate is provided with a stretching rod and a moving assembly; a rotary rod is arranged between the two clamping plates of each elastic seat, one end of the rotary rod is connected with a motor, and the rotary rod is connected with the moving assembly; a film rolling rod is connected between the two transmission gears, and one end of the film rolling rod is fixedly connected with a forward and reverse rotating motor; and a spraying pipe is arranged between the top ends of the two installation arch rings, and a plurality of spraying holes are formed in the spraying pipe. The utility model discloses not only can prevent that rolling in-process film from tearing, still have rolling efficient, low in labor strength, lay effectual, the function is various, convenient to use, use stable height and energy-conserving advantage.
Description
Technical Field
The utility model relates to a film coiling mechanism, especially a film coiling mechanism for big-arch shelter.
Background
In general greenhouse, a plastic film is sleeved on a greenhouse support, sunlight penetrates through the plastic film in the daytime to provide sufficient sunlight for plants in the greenhouse, and the small film for air flow in the greenhouse can well organize the loss of carbon dioxide generated by the growth of vegetables in the greenhouse at night, so that the greenhouse has a good heat preservation effect in a market greenhouse, and further the effect of out-of-season vegetable growth is achieved; however, the existing greenhouse film is generally rolled up while being pulled from the bottom end of one end of the greenhouse by manual work, so that the film is dismounted from the greenhouse, and when the film is rolled up by the method, the rolling efficiency is low, and the film needs to be pulled while being rolled up, so that the film is easily torn due to overlarge tension. Therefore, the problems that the film is easy to tear and the rolling efficiency is low exist in the film rolling process of the existing greenhouse.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a film coiling mechanism for big-arch shelter. The utility model discloses not only can prevent that rolling in-process film from tearing, still have the efficient advantage of rolling.
The technical scheme of the utility model: a film rolling device for a greenhouse comprises two symmetrically distributed installation arch rings, wherein the two installation arch rings are respectively positioned on two sides of a greenhouse body of the greenhouse; through grooves are formed in each mounting arch ring, and toothed plates are arranged on two inner walls of each through groove; a transmission gear is meshed and connected between the two toothed plates, and one side of each transmission gear is provided with an elastic seat; each elastic seat is provided with two symmetrically distributed clamping plates, and one side surface of each clamping plate is provided with a stretching rod; each stretching rod is connected with a moving assembly; a rotary rod is arranged between the two clamping plates of each elastic seat, one end of the rotary rod is connected with a motor, and the rotary rod is connected with the moving assembly; a film rolling rod is connected between the two transmission gears, and one end of the film rolling rod is fixedly connected with a forward and reverse rotating motor; and a spraying pipe is arranged between the top ends of the two installation arch rings, and a plurality of uniformly distributed spraying holes are formed in the spraying pipe.
In the film winding device for the greenhouse, the moving assembly comprises a connecting rope, one end of the connecting rope is connected with the rotary rod, and the other end of the connecting rope is connected with the connecting block; both sides face of the connecting block is connected with a tensioning spring, and one end of each tensioning spring is connected with the clamping plate.
In the film winding device for the greenhouse, a moving groove is formed in the side surface of the clamping plate corresponding to the position of the stretching rod, and a limiting groove is formed in the inner wall of the moving groove; one end of the stretching rod is sleeved with a limiting block, and the limiting block is clamped with the limiting groove; the stretching rod is arranged between the two clamping plates.
In the film winding device for the greenhouse, one side of the toothed plate is provided with an electric sliding rail, and a moving seat is arranged on the electric sliding rail; the forward and reverse rotating motor is arranged on the top surface of the movable seat; and a push rod is connected between the elastic seat and the movable seat.
In the film rolling device for the greenhouse, the clamping plate is provided with the inclined surface, and the moving groove is arranged at the higher end of the clamping plate; the inclined surfaces of the two clamping plates are matched with each other.
In the film winding device for the greenhouse, the two end parts of the through groove are provided with the infrared sensors; a controller is arranged on one side face of one installation arch ring, and the forward and reverse rotation motor, the electric slide rail and the infrared sensor are electrically connected with the controller;
in the film rolling device for greenhouses, a drainage groove is connected between the bottom ends of the two installation arch rings, and a stepped groove is formed in the drainage groove; the higher end of the stepped groove is positioned in the middle of the drainage groove, and the lower end of the stepped groove is positioned at the end part of the drainage groove; the two end parts of the drainage channel are provided with drainage ports, and each drainage port is connected with a water collecting tank; the top surface of the water collecting tank is provided with a connecting pipe which is connected with the spraying pipe; a suction pump is arranged on the connecting pipe, and a filter screen is arranged at the position where the connecting pipe is connected with the water collecting tank.
Compared with the prior art, the utility model improves the existing film rolling device, through arranging the through groove on each installation arch ring, arranging the transmission gear in each through groove and arranging the toothed plates on the two inner walls of the through groove, and by utilizing the transmission mode that the transmission gear and the toothed plates are mutually meshed, the film rolling rod can automatically move upwards or downwards when rotating; the film winding rod is matched with a forward and backward rotating motor on the film winding rod, so that the film winding rod can roll the film and move upwards at the same time, and the phenomenon that the film is torn due to the fact that the film needs to be pulled when the film is wound is avoided; in the whole film winding process, only the forward and reverse rotating motors need to be manually turned on, other operations are not needed, the labor intensity is reduced, and the winding efficiency is improved; meanwhile, an elastic seat is arranged on one side of the transmission gear, two oppositely arranged clamping plates are arranged on the elastic seat, a stretching rod, a rotating rod and a moving assembly are arranged between the two clamping plates, the moving assembly is pulled by the rotation of the rotating rod, the moving assembly can pull the stretching rod to move towards the rotating rod, so that the stretching rod drives the two clamping plates to be close to each other, the film is fixed, and the phenomenon of fluttering after the film is laid is prevented; in the winding process, the film can be lifted in advance by utilizing the clamping plate, or in the laying process, the film can be laid flat by utilizing the clamping plate, so that the laying effect can be improved; simultaneously, through being provided with the spray tube between the top portion at the installation hunch circle to can wash and cool down the film, perhaps carry out watering work to the vegetation in the big-arch shelter, and then make the utility model discloses functional diversity has. In addition, the utility model is also provided with a moving component consisting of a connecting rope, a connecting block and a tension spring, when the splint needs to be fixed, the rotating rod is driven to rotate, the rotating rod can drive the connecting rope to move towards the rotating rod, and the connecting rope can drive the connecting block to move when moving, so that the connecting block drives the tension spring to pull the long rope; when the clamping plates need to be loosened, the connecting rope is loosened only by rotating the rotary rod in the reverse direction, and the stretching rod can be driven to move in the reverse direction of the rotary rod under the action of the restoring force of the tensioning spring, so that the two clamping plates are far away from each other, and the use is convenient; the movable groove is formed in the side face of the clamping plate corresponding to the position of the stretching rod, the limiting groove is formed in the inner wall of the movable groove, the limiting block is arranged on the stretching rod, and the stability of the stretching rod driving the clamping plate to move can be improved while the stretching rod is prevented from moving over the head by the aid of the limiting block and the limiting groove; the electric slide rail is arranged on one side of the toothed plate, the movable seat is arranged on the electric slide rail, the forward and reverse rotating motor is arranged on the movable seat, the electric slide rail is used for driving the movable seat to move, so that the forward and reverse rotating motor and the film rolling rod are driven to move together, and the transmission gear and the toothed plate are meshed with each other, so that the forward and reverse rotating motor and the film rolling rod can stay at a certain position of the toothed plate, and the laying area can be changed; the inclined surfaces are arranged on the opposite surfaces of the clamping plates, and the two clamping plates can form a structure similar to a tenon block and a mortise by utilizing the two inclined surfaces, so that the film is clamped and fixed, and the fixing effect is improved; the position of the film winding rod can be detected by arranging the infrared sensor and then sent to the controller, and the controller judges whether the winding of the film is finished or the laying of the film is finished or not, so that the start and stop of the forward and reverse rotation motor and the electric slide rail are controlled in time, and the use is further facilitated; be connected with water drainage tank through between the bottom portion at two installation hunch circles to can collect the water that flows down from the film, recycle and collect the water that the suction pump will collect and be used for the vegetation to spray, thereby can reach energy-conserving effect. Therefore, the utility model discloses not only can prevent that rolling in-process film from tearing, still have rolling efficient, low in labor strength, lay effectual, the function is various, convenient to use, stable high and energy-conserving advantage of use.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a side view of the mounting arch;
FIG. 3 is a schematic view of the structure of the elastic seat;
FIG. 4 is a schematic view of the structure of a spray tube;
FIG. 5 is a control schematic diagram of the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 3 at A;
fig. 7 is a side view of the splint.
The labels in the figures are: 1-installing an arch ring, 2-a through groove, 3-a toothed plate, 4-a transmission gear, 5-an elastic seat, 6-a clamping plate, 7-a stretching rod, 9-a rotating rod, 10-a film rolling rod, 11-a forward and reverse rotating motor, 12-a spraying pipe, 13-a spraying hole, 14-a connecting rope, 15-a connecting block, 16-a tensioning spring, 18-a moving groove, 19-a limiting groove, 20-a limiting block, 21-an electric sliding rail, 22-a moving seat, 23-a pushing rod, 24-an infrared sensor, 25-a controller, 26-a drainage groove, 27-a drainage port, 28-a water collecting tank, 29-a connecting pipe and 30-a suction pump.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
Examples are given. A film rolling device for a greenhouse is shown in figures 1 to 7 and comprises two symmetrically distributed installation arch rings 1, wherein the two installation arch rings 1 are respectively positioned at two sides of a greenhouse body of the greenhouse; a through groove 2 is formed in each installation arch ring 1, and toothed plates 3 are arranged on two inner walls of each through groove 2; a transmission gear 4 is meshed and connected between the two toothed plates 3, and one side of each transmission gear 4 is provided with an elastic seat 5; each elastic seat 5 is provided with two symmetrically distributed clamping plates 6, and one side surface of each clamping plate 6 is provided with a stretching rod 7; each stretching rod 7 is connected with a moving component; a rotary rod 9 is arranged between the two clamping plates 6 of each elastic seat 5, one end of the rotary rod 9 is connected with a motor, and the rotary rod 9 is connected with the moving assembly; a film rolling rod 10 is connected between the two transmission gears 4, and one end of the film rolling rod 10 is fixedly connected with a forward and reverse rotating motor 11; a spraying pipe 12 is arranged between the top ends of the two installation arch rings 1, and a plurality of uniformly distributed spraying holes 13 are arranged on the spraying pipe 12.
The moving assembly comprises a connecting rope 14, one end of the connecting rope 14 is connected with the rotary rod 9, and the other end of the connecting rope 14 is connected with a connecting block 15; two side surfaces of the connecting block 15 are respectively connected with a tensioning spring 16, and one end of each tensioning spring 16 is connected with the clamping plate 6; a moving groove 18 is arranged on the side surface of the splint 6 corresponding to the position of the stretching rod 7, and a limit groove 19 is arranged on the inner wall of the moving groove 18; a limiting block 20 is sleeved at one end of the stretching rod 7, and the limiting block 20 is clamped with the limiting groove 19; the stretching rod 7 is arranged between the two clamping plates 6; one side of the toothed plate 3 is provided with an electric sliding rail 21, and the electric sliding rail 21 is provided with a moving seat 22; the forward and reverse rotating motor 11 is arranged on the top surface of the moving seat 22; a push rod 23 is connected between the elastic seat 5 and the movable seat 22; the clamp plate 6 is provided with an inclined surface, and the moving groove 18 is arranged at the higher end of the clamp plate 6; the inclined surfaces of the two clamping plates 6 are matched with each other; the two end parts of the through groove 2 are provided with infrared sensors 24; a controller 25 is arranged on one side surface of one installation arch ring 1, and the forward and reverse rotating motor 11, the electric slide rail 21 and the infrared sensor 24 are electrically connected with the controller 25; a drainage groove 26 is connected between the bottom end parts of the two installation arch rings 1, and a stepped groove is formed in the drainage groove 26; the higher end of the stepped groove is positioned in the middle of the drainage groove 26, and the lower end of the stepped groove is positioned at the end part of the drainage groove 26; the two ends of the drainage groove 26 are provided with drainage ports 27, and each drainage port 27 is connected with a water collection tank 28; the top surface of the water collecting tank 28 is provided with a connecting pipe 29, and the connecting pipe 29 is connected with the spraying pipe 12; a suction pump 30 is installed on the connection pipe 29, and a filter screen is provided at a position where the connection pipe 29 is connected to the water collection tank 28.
The working principle is as follows: the controller 25 used in the utility model adopts programmable controllers with the models of Cortex-R8, Cortex-R7 or Cortex-M7, etc.; the infrared sensor 24 is of the type SNC4000 or GXH-3010D.
When the greenhouse film winding device is used, an external power supply is connected to the whole device, the controller 25 and the infrared sensor 24 are started, when a film on the greenhouse is to be wound, the controller 25 controls the motor connected to the rotary rod 9 to rotate reversely, the rotary rod 9 rotates reversely, the connecting rope 14 is loosened due to the reverse rotation of the rotary rod 9, the connecting rope 14 is loosened, the connecting blocks 15 are far away from each other, the tensioning spring 16 tensioned before generates restoring force, the stretching rod 7 can be driven to move towards the reverse direction of the rotary rod 9 under the restoring force of the tensioning spring 16, the stretching rod 7 can move in the moving groove 18 in the clamping plate 6, the two stretching rods 7 further push the two clamping plates 6 to move away from each other, and the clamping plates 6 loosen the bottom end of the film; then the controller 25 controls the electric slide rail 21 and the forward and reverse rotation motor 11 to be started in a forward direction, the electric slide rail 21 drives the moving seat 22 to move after being started, and the moving seat 22 drives the forward and reverse rotation motor 11 to move along the electric slide rail 21, so that the film rolling rod 10 is driven to move from one end to the other end along the shape of the installation arch ring 1; after the forward and reverse rotation motor 11 is started, the film winding rod 10 is driven to rotate, and the film can be wound by the rotation of the film winding rod 10, so that the film can be wound while moving upwards, and the efficiency in winding the film is improved; meanwhile, the movable seat 22 can drive the elastic seat 5 to move together through the pushing rod 23, the elastic seat 5 can drive the clamping plate 6 to move again due to the movement, and one surface of the clamping plate 6 is conical, so that the clamping plate 6 can easily lift the film when moving, the film can be prevented from being pulled while being conveniently wound, and the film can be prevented from being torn when wound; when the electric slide rail 21 drives the moving seat 22 to move from one end part of the through groove 2 to the other end part, the moving seat 22 can shield the infrared sensor 24 positioned at the end part of the through groove 2, at this time, the infrared sensor 24 receives the returned infrared ray and sends an electric signal to the controller 25, after the controller 25 receives the signal sent by the infrared sensor 24, the completion of the winding of the film is judged, and then the electric slide rail 21 and the forward and reverse motor 11 are controlled to stop at the same time, so that the winding is completed.
When a film needs to be laid on the greenhouse body of the greenhouse, the controller 25 controls the electric slide rail 21 and the forward and reverse rotation motor 11 to be started reversely at the same time, the electric slide rail 21 drives the moving seat 22 to move after being started, and the moving seat 22 drives the forward and reverse rotation motor 11 to move along the electric slide rail 21 so as to drive the film rolling rod 10 to move from the other end to one end along the shape of the installation arch ring 1; after the forward and reverse rotating motor 11 is started reversely, the film rolling rod 10 is driven to rotate reversely, and the film is released by the reverse rotation of the film rolling rod 10, so that the film is laid while moving upwards; meanwhile, the movable seat 22 moves to drive the elastic seat 5 to move together through the push rod 23, the elastic seat 5 moves to drive the clamping plate 6 to move, and one surface of the clamping plate 6 is conical, so that the clamping plate 6 can be used for paving the surface of a laid film when moving, and the film laying effect is improved; when the electric slide rail 21 drives the moving seat 22 to move from the other end part to one end part of the through groove 2, the moving seat 22 can shield the infrared sensor 24 positioned at the end part of the through groove 2, at this time, the infrared sensor 24 receives the returned infrared ray and sends an electric signal to the controller 25, after the controller 25 receives the signal sent by the infrared sensor 24, the film laying is judged to be finished, and then the electric slide rail 21 and the forward and reverse rotating motor 11 are controlled to stop at the same time, so that the laying is finished; then the controller 25 controls the motor connected to the rotating rod 9 to rotate in the forward direction, the motor drives the rotating rod 9 to rotate in the forward direction, the connecting rope 14 can move towards the rotating rod due to the forward rotation of the rotating rod 9, the connecting rope 14 can move to drive the connecting block 15 to move, so that the connecting block 15 drives the tensioning spring 16 to generate tension, the tensioning spring 16 can drive the stretching rod 7 to move towards the rotating rod 9 after generating tension, so that one end of the stretching rod 7 moves in the moving groove 18, the limiting block 20 on the stretching rod 7 is clamped with the limiting groove 19 on the moving groove 18, and the film can be trimmed during the period when the limiting block 20 is clamped with the limiting groove 19; with the further pulling of the tensioning spring 16, the tensioning rod 7 can bring the clamping plates 6 together, so that the clamping plates 6 can fix the bottom end of the film.
When the membrane needs to be cleaned, first cleaning water is poured into the water collecting tank 28, then the suction pump 30 is started, after the suction pump 30 is started, the cleaning water in the water collecting tank 28 is flushed into the spray pipe 12 through the connecting pipe 29 and is sprayed out through the spray holes 13 on the spray pipe 12, so that the membrane is cleaned, and the cleaned sewage flows onto the drainage groove 26 along with the membrane, and because the drainage groove 26 is stepped, the water in the drainage groove 26 can automatically flow to the drainage outlet 27 and enter the water collecting tank 28 for utilization at this time.
Claims (7)
1. The utility model provides a film coiling mechanism for big-arch shelter which characterized in that: the greenhouse comprises two symmetrically distributed installation arch rings (1), wherein the two installation arch rings (1) are respectively positioned on two sides of a greenhouse body; each installation arch ring (1) is provided with a through groove (2), and two inner walls of each through groove (2) are provided with toothed plates (3); a transmission gear (4) is meshed and connected between the two toothed plates (3), and one side of each transmission gear (4) is provided with an elastic seat (5); each elastic seat (5) is provided with two symmetrically distributed clamping plates (6), and one side surface of each clamping plate (6) is provided with a stretching rod (7); each stretching rod (7) is connected with a moving component; a rotating rod (9) is arranged between the two clamping plates (6) of each elastic seat (5), one end of the rotating rod (9) is connected with a motor, and the rotating rod (9) is connected with the moving assembly; a film rolling rod (10) is connected between the two transmission gears (4), and one end of the film rolling rod (10) is fixedly connected with a forward and reverse rotating motor (11); a spraying pipe (12) is arranged between the top ends of the two installation arch rings (1), and a plurality of uniformly distributed spraying holes (13) are formed in the spraying pipe (12).
2. The film rolling device for the greenhouse of claim 1, wherein: the moving assembly comprises a connecting rope (14), one end of the connecting rope (14) is connected with the rotary rod (9), and the other end of the connecting rope (14) is connected with a connecting block (15); both sides face of the connecting block (15) are connected with tensioning springs (16), and one end of each tensioning spring (16) is connected with the clamping plate (6).
3. The film rolling device for the greenhouse of claim 1, wherein: a moving groove (18) is formed in the side face of the clamping plate (6) corresponding to the position of the stretching rod (7), and a limiting groove (19) is formed in the inner wall of the moving groove (18); one end part of the stretching rod (7) is sleeved with a limiting block (20), and the limiting block (20) is clamped with the limiting groove (19); the stretching rod (7) is arranged between the two clamping plates (6).
4. The film rolling device for the greenhouse of claim 1, wherein: an electric sliding rail (21) is arranged on one side of the toothed plate (3), and a moving seat (22) is arranged on the electric sliding rail (21); the forward and reverse rotation motor (11) is arranged on the top surface of the moving seat (22); a push rod (23) is connected between the elastic seat (5) and the movable seat (22).
5. The film rolling device for the greenhouse of claim 3, wherein: the clamping plate (6) is provided with an inclined surface, and the moving groove (18) is arranged at the higher end of the clamping plate (6); the inclined surfaces of the two clamping plates (6) are matched with each other.
6. The film rolling device for the greenhouse of claim 4, wherein: the two end parts of the through groove (2) are provided with infrared sensors (24); a controller (25) is arranged on one side face of one installation arch ring (1) in the installation arch rings (1), and the forward and reverse rotating motor (11), the electric sliding rail (21) and the infrared sensor (24) are electrically connected with the controller (25).
7. The film rolling device for the greenhouse as claimed in any one of claims 1 to 6, wherein: a drainage groove (26) is connected between the bottom end parts of the two installation arch rings (1), and a stepped groove is formed in the drainage groove (26); the higher end of the stepped groove is positioned in the middle of the drainage groove (26), and the lower end of the stepped groove is positioned at the end part of the drainage groove (26); both ends of the drainage groove (26) are provided with drainage ports (27), and each drainage port (27) is connected with a water collecting tank (28); a connecting pipe (29) is arranged on the top surface of the water collecting tank (28), and the connecting pipe (29) is connected with the spraying pipe (12); a suction pump (30) is arranged on the connecting pipe (29), and a filter screen is arranged at the connecting position of the connecting pipe (29) and the water collecting tank (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921562434.5U CN210537769U (en) | 2019-09-19 | 2019-09-19 | Film coiling mechanism for big-arch shelter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921562434.5U CN210537769U (en) | 2019-09-19 | 2019-09-19 | Film coiling mechanism for big-arch shelter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210537769U true CN210537769U (en) | 2020-05-19 |
Family
ID=70620260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921562434.5U Expired - Fee Related CN210537769U (en) | 2019-09-19 | 2019-09-19 | Film coiling mechanism for big-arch shelter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210537769U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111990301A (en) * | 2020-08-14 | 2020-11-27 | 程祥海 | Plastic film cleaning and winding device for crab culture pond |
-
2019
- 2019-09-19 CN CN201921562434.5U patent/CN210537769U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111990301A (en) * | 2020-08-14 | 2020-11-27 | 程祥海 | Plastic film cleaning and winding device for crab culture pond |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200519 |