CN115004979A - Pull-type greenhouse with automatically openable top film - Google Patents

Abstract

The application discloses a pull-type greenhouse capable of automatically opening and closing a top film, which comprises a main body supporting frame and a controller, wherein the top film is laid on the upper end face of the main body supporting frame, a top film opening and closing mechanism and a top film storage mechanism are arranged on the main body supporting frame, and the top film storage mechanism is used for storing the top film; the top film opening and closing mechanism comprises a driving assembly and a transmission assembly, the driving assembly is connected with the controller, the driving assembly is connected with the transmission assembly, and the transmission assembly is connected with the top film; the driving assembly is used for driving the transmission assembly to move, and the transmission assembly is used for driving the top film to be opened or closed on the upper end face of the main body supporting frame. According to the top film folding device, the top film can be automatically opened and folded as required, so that the labor is effectively saved, and meanwhile, the risk of breaking or tearing the top film through manual operation is reduced; through setting up the top film storage mechanism, can prevent effectively that the top film from taking place the fold when drawing in, avoid the top film to draw in the back simultaneously and suffer the solarization and rain and drench to the life of extension top film.

Description

Pull-type greenhouse with automatically openable top film

Technical Field

The invention relates to the field of greenhouses, in particular to a traction type greenhouse with an automatically openable top film.

Background

Greenhouse is also called greenhouse. Can transmit light, keep warm (or heat), and is used for cultivating plants. In seasons unsuitable for plant growth, the method can provide the growth period of the greenhouse and increase the yield, and is mainly used for cultivating or raising seedlings of plants like warm vegetables, flowers and trees in low-temperature seasons. The types of greenhouses are various, and the greenhouses can be divided into a great variety according to different roof truss materials, lighting materials, shapes, heating conditions and the like.

When the greenhouse is used, under the condition that plants are planted in the greenhouse, the top film of the greenhouse needs to be opened or closed at variable time according to the change of different seasons and different climatic environments, and the top film of the common greenhouse is almost opened or closed manually at present, so that time and labor are wasted; moreover, manual operation cannot ensure uniform force application all the time, so that the top film is easily wrinkled, even the top film is broken or torn due to excessive force application, and serious loss is caused.

Disclosure of Invention

In order to solve the technical problem that the prior art exists, the application provides a pull-type greenhouse that can open and shut the epiphragma automatically to specifically provide following technical scheme:

a pull-type greenhouse capable of automatically opening and closing a top film comprises a main body supporting frame and a controller, wherein the top film is laid on the upper end face of the main body supporting frame, a top film opening and closing mechanism and a top film accommodating mechanism are arranged on the main body supporting frame, and the top film accommodating mechanism is used for accommodating the top film; the top film opening and closing mechanism comprises a driving assembly and a transmission assembly, the driving assembly is connected with the controller, the driving assembly is connected with the transmission assembly, and the transmission assembly is connected with the top film; the driving assembly is used for driving the transmission assembly to move, and the transmission assembly is used for driving the top film to be opened or closed on the upper end face of the main body supporting frame.

As a further improvement of this application, drive assembly includes driving motor and drive shaft, driving motor with the controller links to each other, driving motor with the main part support frame is connected, the drive shaft with the rotatable spacing of main part support frame is connected, driving motor's output with drive shaft connection, the drive shaft with transmission assembly connects.

As the further improvement of this application, drive assembly is including receiving line roller, haulage rope and drawing membrane spare, it establishes to receive line roller in the drive shaft, just it can follow to receive line roller the drive shaft rotates, the one end of haulage rope with it connects to receive line roller, the other end of haulage rope with draw membrane spare to connect, draw membrane spare with the one end of epiphragma is connected, the epiphragma is kept away from draw membrane spare one end with the main part support frame is connected.

As the further improvement of this application, the haulage rope is including receiving the membrane haulage rope and opening the membrane haulage rope, receive the membrane haulage rope with open the membrane haulage rope respectively with draw the membrane piece to connect, receive the membrane haulage rope with it keeps away from to open the membrane haulage rope receive the one end of membrane piece respectively with it connects to receive the line roller, it is used for the drive to receive the membrane haulage rope draw the membrane piece in the epiphragma, the die sinking haulage rope is used for driving it opens the epiphragma to draw the membrane piece.

As a further improvement of this application, the main part support frame includes facade support and shed roof support, the shed roof support with the upper end of facade support is connected, the upper end of shed roof support is equipped with the inclined plane, the epiphragma is laid on the inclined plane.

As a further improvement of this application, top film receiving mechanism is including accomodating the groove, it is in to accomodate the groove setting the upper end on inclined plane, it is equipped with the connecting pipe to accomodate the groove top, the connecting pipe with shed roof leg joint, the top film is kept away from draw the one end of membrane spare with the connecting pipe is connected.

As a further improvement of the application, a film supporting line is arranged above the inclined plane, two ends of the film supporting line are respectively connected with the main body supporting frame, the film supporting line is abutted against the lower surface of the top film, and the film supporting line is used for supporting the top film; the top of top film is equipped with the press mold line, the both ends of press mold line respectively with the main part support frame is connected, the press mold line with the upper surface butt of top film, the press mold line is used for pressing the top film.

As a further improvement of the application, the peripheral side walls of the facade support and the side walls of the shed roof support are respectively provided with a side wall film; the vertical surface support and the shed roof support are respectively provided with a film rolling device, one end of the side wall film is connected with the film rolling device, and the film rolling device is used for rolling the side wall film.

As a further improvement of the application, the up end of facade support is equipped with fly net and sunshade net, fly net and sunshade net are located respectively the below of canopy top support, fly net and sunshade net can open or close on the up end of facade support.

As the further improvement of this application, the both sides of shed roof support are equipped with water drainage tank respectively, water drainage tank sets up the below of epiphragma, water drainage tank with the main part support frame is connected.

According to the greenhouse top film opening and closing mechanism, the top film of the greenhouse can be automatically opened and closed as required by arranging the top film opening and closing mechanism on the main body supporting frame, so that the labor is effectively saved, and meanwhile, the risk of breaking or tearing the top film through manual operation is reduced; through setting up the top film storage mechanism, can prevent effectively that the top film from taking place the fold when drawing in, avoid the top film to draw in the back simultaneously and suffer the solarization and rain and drench to the life of extension top film.

When the top film needs to be folded, the controller controls the driving assembly to work, the driving assembly transmits driving force to the transmission assembly, and the transmission assembly folds the top film from the upper end face of the main body supporting piece and folds the top film into the top film accommodating mechanism; when the top film needs to be opened, the controller controls the driving assembly to work, the driving assembly conducts driving force to the transmission assembly, and the transmission assembly pulls out the top film from the top film accommodating mechanism and lays the top film on the upper end face of the main body supporting frame.

Drawings

In order to illustrate the present application or prior art more clearly, a brief description of the drawings needed for the description of the embodiments or prior art will be given below, it being clear that the drawings in the following description are some embodiments of the present application and that other drawings can be derived from them by a person skilled in the art without inventive effort.

FIG. 1 is a schematic view of an embodiment of the present application;

FIG. 2 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 3 is an enlarged view of a portion A of FIG. 2 with the top film opened;

FIG. 4 is an enlarged view of portion A of FIG. 2 with the top film in a collapsed condition;

FIG. 5 is a schematic structural diagram of a sunshade net and an insect-proof net in the embodiment of the present application.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof in the description and claims of this application and the description of the figures above, are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different objects and not for describing a particular order.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings.

As shown in fig. 1-4, a pull-type greenhouse with an automatically openable top film comprises a main body support frame 1 and a controller, wherein the main body support frame 1 is used as a support main body of the whole greenhouse, is built by galvanized steel pipes, and is provided with a plurality of stand columns, support columns, cross beams and the like; the main body support frame 1 comprises a vertical surface support 11 and a shed roof support 12, the shed roof support 12 is connected with the upper end of the vertical surface support 11, and the upper end of the shed roof support 12 is provided with an inclined surface 121; if the greenhouse is compared with a house, the vertical surface support 11 is equivalent to a wall body, and the ceiling support 12 is equivalent to a roof; of course, in other embodiments, the main body support frame 1 may be a single body, i.e. the wall and the roof are integrally formed. In this embodiment, there are two ceiling brackets 12, and the inclined surfaces 121 of the two ceiling brackets 12 are inclined in the same direction, in other embodiments, the number of the ceiling brackets 12 may be any other number, and the inclined surfaces 121 of the ceiling brackets 12 may be inclined in the same or opposite directions.

A top film 2 is laid on the inclined surface 121 of the shed top support 12, and a top film opening and closing mechanism 3 and a top film accommodating mechanism 4 are arranged on the main body support frame 1; the top film storage mechanism 4 is used for storing the folded top film 2, effectively preventing the top film 2 from being folded when folded, and meanwhile avoiding the top film 2 from being exposed to the sun and rain after being folded, and prolonging the service life of the top film; the top film opening and closing mechanism 3 comprises a driving component 31 and a transmission component 32, the driving component 31 is connected with the controller, the driving component 31 is connected with the transmission component 32, and the transmission component 32 is connected with the top film 2; the driving component 31 is used for driving the transmission component 32 to move, and the transmission component 32 is used for driving the top film 2 to open or close on the inclined surface 121 of the shed top support 12.

In daily use, when the top film 2 needs to be furled, the controller controls the driving component 31 to work, the driving component 31 transmits driving force to the transmission component 32, the transmission component 32 furls the top film 2 from the inclined surface 121 of the shed top support 12, and furls the top film 2 into the top film accommodating mechanism 4; when the top film 2 needs to be opened, the controller controls the driving assembly 31 to work, the driving assembly 31 transmits driving force to the transmission assembly 32, and the transmission assembly 32 pulls out the top film 2 from the top film accommodating mechanism 4 and lays the top film on the inclined surface 121 of the shed top support 12.

The driving assembly 31 comprises a driving motor 311 and a driving shaft 312, the driving motor 311 is connected with the controller, the driving motor 311 is fixedly installed on the vertical surface support 11, the driving motor 311 is a speed reducing motor, in other embodiments, the driving motor 311 can also be a servo motor or a stepping motor, etc.; the driving shaft 312 is sleeved with a plurality of bearings 313, the facade support 11 is fixedly provided with bearing seats 111 with the same number as the bearings 313, all the bearing seats 111 correspond to the bearings 313 one by one, all the bearings 313 are fixed in the corresponding bearing seats 111, so that the driving shaft 312 is rotatably and limitedly connected with the facade support 11, the output end of the driving motor 311 is connected with the driving shaft 312, and the driving shaft 312 is connected with the transmission assembly 32. When the top film 2 needs to be opened or closed, the controller controls the driving motor 311 to work, the driving motor 311 transmits driving force to the driving shaft 312, so that the driving shaft 312 rotates on the vertical surface support 11 in place, and the driving shaft 312 rotates to drive the transmission assembly 32 to move.

The transmission assembly 32 comprises a take-up roller 321, a traction rope 322 and a film drawing member 323, the take-up roller 321 is sleeved on the driving shaft 312, the take-up roller 321 can rotate along with the driving shaft 312, one end of the traction rope 322 is connected with the take-up roller 321, the other end of the traction rope 322 is connected with the film drawing member 323, the film drawing member 323 is connected with one end of the top film 2, and one end, far away from the film drawing member 323, of the top film 2 is connected with the shed top support 12. The number of the hauling ropes 322 and the number of the take-up rollers 321 can be different according to the length of the greenhouse; in this embodiment, the number of the pulling rope 322 and the number of the wire-rewinding roller 321 are respectively 8. The take-up roller 321 comprises a cylinder and limiting rings, the limiting rings are fixedly arranged at two ends of the cylinder, and the outer diameter of each limiting ring is larger than the diameter of the cylinder; in other embodiments, the post and the stop collar may be integrally formed. The traction rope 322 comprises a film collecting traction rope 322-1 and a film opening traction rope 322-2 which are respectively fixedly connected with the film drawing member 323, one ends of the film collecting traction rope 322-1 and the film opening traction rope 322-2, which are far away from the film collecting member 323, are fixedly connected with a film collecting roller 321, the film collecting traction rope 322-1 is used for driving the film drawing member 323 to collect the top film 2, and the film opening traction rope 322-2 is used for driving the film drawing member 323 to open the top film 2; when the top film 2 is in an open state, opening the die and winding the traction rope 322-2 on the winding roller 321; when the top film 2 is in a folded state, the film collecting traction rope 322-1 is wound on the money collecting roller 321.

When the top film 2 needs to be folded, the driving motor 311 rotates positively to drive the driving shaft 312 to rotate positively, and the driving shaft 312 drives the take-up roller 321 to rotate synchronously; at the moment, the take-up roller 321 releases the die opening traction rope 322-2, meanwhile, the film take-up traction rope 322-1 is wound, the film take-up traction rope 322-1 drives the film drawing piece 323 to move, and the film drawing piece 323 draws the top film 2 into the top film storage mechanism 4; when the top film 2 needs to be opened, the driving motor 311 rotates reversely to drive the driving shaft 312 to rotate reversely, and the driving shaft 312 drives the take-up roller 321 to rotate synchronously; at the moment, the take-up roller 321 releases the take-up traction rope 322-1, the film opening traction rope 322-2 is simultaneously wound, the film opening traction rope 322-2 drives the film pulling member 323 to move, and the film pulling member 323 pulls the top film 2 out of the top film accommodating mechanism 4 and lays the top film on the inclined surface 121.

The film drawing piece 323 is a metal truss girder, and the length of the film drawing piece 323 is the same as that of the inclined plane 121, so that the film drawing piece 323 can be ensured to fold or unfold the top film 2 on the whole inclined plane 121; in other embodiments, the number of the film drawing members 323 can be many, and the film drawing members 323 can also be other rigid mechanical devices such as stainless steel tubes or rigid plastic tubes.

In order to facilitate the film collecting traction rope 322-1 and the film opening traction rope 322-2 to be tightened, a plurality of pulleys are arranged on the vertical surface support and the shed roof support, the film collecting traction rope 322-1 or the film opening traction rope 322-2 is hung on the pulleys, and the end part of the film collecting traction rope is fixedly connected with the film collecting roller 321; the pulley can play a role in guiding and limiting, the tightening direction of the film collecting traction rope 322-1 or the film opening traction rope 322-2 is changed, and the film collecting traction rope 322-1 or the film opening traction rope 322-2 is conveniently tightened on the wire collecting roller 321.

Top film receiving mechanism 4 is including accomodating groove 41, accomodate groove 41 and set up the upper end at inclined plane 121, it is equipped with connecting pipe 42 to accomodate groove 41 top, connecting pipe 42 is connected with shed roof support 12, the both ends of connecting pipe are equipped with the draw-in groove respectively, go into top film 2 card through the jump ring and fix on the connecting pipe, make top film 2 keep away from the one end and the connecting pipe 42 fixed connection who draw membrane piece 323, and top film 2 forms integrative groove 41 hood of accomodating in the connecting pipe 42 top after installing. The accommodating groove 41 is used for accommodating the top film 2 after being folded, so that the top film 2 is prevented from being exposed to sunlight and rain after being folded, and the service life of the top film 2 is prolonged.

In order to prevent the top film 2 from falling and deforming when being laid on the inclined surface 121, a plurality of film supporting lines 33 are arranged on the inclined surface 121 of the shed top support 12, two ends of each film supporting line 33 are fixed on the main body support frame 1, the film supporting lines 33 are abutted against the lower surface of the top film 2, the top film 2 can be supported through the film supporting lines 33, and therefore the top film 2 is prevented from falling and deforming.

In order to prevent that the topfilm 2 laid on the inclined plane 121 from being blown up by the wind and shifted, be equipped with many press mold lines 34 in the top of topfilm 2, two ends of press mold line 34 are fixed respectively on main part support frame 1, and press mold line 34 can press and cover topfilm 2 through setting up press mold line 34 with the upper surface butt of topfilm 2 to prevent that topfilm 2 from being blown away the aversion.

The film supporting line 33 and the film pressing line 34 are both made of polyester PET (polyethylene terephthalate) material lines, also called plastic steel lines, and both ends of the film supporting line 33 and the film pressing line 34 are in a tightening state; in other embodiments, other cords may be used for the carrier line 33 and the lamination line 34. Meanwhile, the film supporting line 33 and the film pressing line 34 can play a role of guiding the top film 2 besides the above-mentioned role, and prevent the top film 2 from being messy and wrinkled in the opening or folding process.

In order to further prevent the top film 2 from being damaged due to disorder and folding when being folded or unfolded, the film drawing piece 323 is provided with a guide piece 35, and the guide piece 35 is provided with two through holes which are respectively positioned at the upper side and the lower side of the film drawing piece 323; wherein the film pressing line 34 passes through the upper through hole, and the film supporting line 33 passes through the lower through hole. Thus, when the top film 2 is folded or unfolded, the film drawing part 323 is limited by the guide part 35 in the moving process, and the top film 2 can be ensured to be always limited between the film supporting line 33 and the film pressing line 34, so that the function of preventing the damage of the ice and the mess is achieved.

In another embodiment, there may be two guide members 35, two guide members 35 are respectively fixedly mounted on the film drawing member 323, and through holes are formed in both of the two guide members 35, wherein the film pressing line 34 passes through the through hole in one guide member 35, and the film supporting line 33 passes through the through hole in the other guide member 35. In other embodiments, the number of guides 35 may be any other number.

Two sides of the greenhouse top support 12 are respectively provided with a drainage groove 5, the drainage grooves 5 are arranged below the top film 2, the drainage grooves 5 are fixedly arranged on the main body support frame 1, and the length of each drainage groove 5 is greater than or equal to that of the greenhouse; through setting up water drainage tank 5, be convenient for collect the guide to the rainwater to outside discharging the warmhouse booth, prevent that the rainwater from remaining at the warmhouse booth top.

The peripheral side wall of the vertical surface support 11 and the side wall of the shed roof support 12 are respectively provided with a side wall film 6, the vertical surface support 11 and the shed roof support 12 are respectively provided with a film rolling device 7, and one end of the side wall film 6 is fixedly connected with the film rolling device 7; in this embodiment, film winder 7 adopts crank formula manual operation film winder, when needing rolling up side wall membrane 6 promptly, through the artifical crank that rotates film winder 7 to roll up side wall membrane 6 on film winder 7. In other embodiments, the film winder 7 may be of other types, such as an electric film winder or the like.

The side wall film 6 and the top film 2 are arranged, so that the greenhouse has a heat preservation effect, and the requirement of planting out-of-season plants is met; through setting up at film rolling device 7, can pack up side wall membrane 6 to quick ventilation cooling in making warmhouse booth.

The upper end face of the vertical face support 11 is provided with an insect-proof net 8 and a sun-shading net 9, the insect-proof net 8 and the sun-shading net 9 are respectively positioned below the shed top support 12, and the insect-proof net 8 and the sun-shading net 9 can be opened or closed on the upper end face of the vertical face support 11. When the top film 2 is in an open state, the insect-proof net 8 is opened, so that flying insects can be effectively prevented from entering the greenhouse, and plants planted in the greenhouse are protected; when the sunshine intensity is higher in seasons or plants planted in the greenhouse are not suitable for being sunned for a long time, the sunshine intensity in the greenhouse can be reduced by opening the sunshade net 9, and therefore the planting requirement is met.

As shown in fig. 5, the sunshade net 9 and the insect-proof net 8 are opened or closed in an electric driving manner, a second motor 10 and a second driving shaft 13 are mounted on the vertical surface support 11, the second motor 10 is connected with a controller, a gear 14 is sleeved on the second driving shaft 13, a rack 15 is arranged on the upper end surface of the vertical surface support 11, and the gear 14 is meshed with the rack 15; the sunshade net 9 and the insect-proof net 8 are laid above the rack 14, wherein one end of the sunshade net 9 and one end of the insect-proof net 8 are fixedly connected with the vertical surface bracket 11, the other end of the sunshade net 9 and the other end of the insect-proof net 8 are fixedly connected with the driving piece 16, and the driving piece 16 is fixedly arranged on the rack 15; when the sunshade net is required to be opened or closed, the controller controls the second motor 10 to work, the second motor 10 drives the second driving shaft 13 to rotate, so that the driving gear 14 rotates, the gear 14 drives the rack 15 to move, and the driving piece 16 pulls the sunshade net 9 or the insect-proof net 8 to move. The driving part 14 is an aluminum profile, in order to prevent the sunshade net 9 or the insect-proof net 8 from deforming, a curtain supporting line 17 is arranged below the sunshade net 9 or the insect-proof net 8, and a curtain pressing line 18 is arranged above the sunshade net 9 or the insect-proof net 8.

The structure is only a part of the embodiment of the application, in other embodiments, the sunshade net 9 and the insect-proof net 8 can be separately arranged in layers, and are respectively controlled by adopting independent driving structures, and if any one of the sunshade net and the insect-proof net is not used in actual use, the other one of the sunshade net and the insect-proof net can also not be installed for use.

The working principle is as follows:

when the traction type greenhouse with the automatically openable and closable top film is used daily, the top film 2 is generally laid on the inclined surface 121, and the side wall film 6 is also used for opening and wrapping the side surface of the vertical surface support 11 and the greenhouse top support 12.

When the top film 2 needs to be folded, the controller controls the driving motor 311 to rotate positively to drive the driving shaft 312 to rotate positively, and the driving shaft 312 drives the take-up roller 321 to rotate synchronously; at the moment, the take-up roller 321 releases the die opening traction rope 322-2, meanwhile, the film take-up traction rope 322-1 is wound, the film take-up traction rope 322-1 drives the film drawing member 323 to move, and the film drawing member 323 draws the top film 2 into the take-up groove 41; meanwhile, in order to prevent flying insects from entering the greenhouse, the insect-proof net 8 can be opened, the controller controls the second motor 10 to work, the second motor 10 drives the second driving shaft 13 to rotate, so that the driving gear 14 rotates, the gear 14 drives the rack 15 to move, and the driving part 14 pulls the insect-proof net 8 to be laid on the upper end face of the vertical face support 11.

When the top film 2 needs to be opened, the driving motor 311 rotates reversely to drive the driving shaft 312 to rotate reversely, and the driving shaft 312 drives the take-up roller 321 to rotate synchronously; at the moment, the take-up roller 321 releases the take-up traction rope 322-1, the film opening traction rope 322-2 is simultaneously taken up, the film opening traction rope 322-2 drives the film pulling member 323 to move, and the film pulling member 323 pulls the top film 2 out of the take-up groove 41 and lays the top film on the inclined surface 121.

If the side wall film 6 needs to be rolled up, a user can rotate the crank on the rolling device 7, so that the side wall film 6 is rolled up on the rolling device 7, and ventilation and heat dissipation are facilitated for the greenhouse.

It should be understood that the above-described embodiments are merely exemplary of some, and not all, embodiments of the present application, and that the drawings illustrate preferred embodiments of the present application without limiting the scope of the claims appended hereto. This application is capable of embodiments in many different forms and is provided for the purpose of enabling a thorough understanding of the disclosure of the application. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the present application may be practiced without modification or with equivalents of some of the features described in the foregoing embodiments. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields and are within the protection scope of the present application.

Claims (10)

1. The pull-type greenhouse capable of automatically opening and closing the top film is characterized by comprising a main body supporting frame and a controller, wherein the top film is laid on the upper end face of the main body supporting frame, a top film opening and closing mechanism and a top film accommodating mechanism are arranged on the main body supporting frame, and the top film accommodating mechanism is used for accommodating the top film;

the top film opening and closing mechanism comprises a driving assembly and a transmission assembly, the driving assembly is connected with the controller, the driving assembly is connected with the transmission assembly, and the transmission assembly is connected with the top film;

the driving assembly is used for driving the transmission assembly to move, and the transmission assembly is used for driving the top film to be opened or closed on the upper end face of the main body supporting frame.

2. The pull-type greenhouse with automatically openable and closable top film as claimed in claim 1, wherein the driving assembly comprises a driving motor and a driving shaft, the driving motor is connected with the controller, the driving motor is connected with the main body supporting frame, the driving shaft is rotatably connected with the main body supporting frame in a limiting manner, an output end of the driving motor is connected with the driving shaft, and the driving shaft is connected with the transmission assembly.

3. The pull-type greenhouse with automatically openable and closable top film as claimed in claim 2, wherein the transmission assembly comprises a take-up roller, a pulling rope and a film pulling member, the take-up roller is sleeved on the driving shaft and can rotate along with the driving shaft, one end of the pulling rope is connected with the take-up roller, the other end of the pulling rope is connected with the film pulling member, the film pulling member is connected with one end of the top film, and one end of the top film, which is far away from the film pulling member, is connected with the main body supporting frame.

4. The pull-type greenhouse with automatically openable and closable top film as claimed in claim 3, wherein the pulling ropes comprise a film collecting pulling rope and a film opening pulling rope, the film collecting pulling rope and the film opening pulling rope are respectively connected with the film drawing member, one ends of the film collecting pulling rope and the film opening pulling rope, which are far away from the film collecting member, are respectively connected with the film collecting roller, the film collecting pulling rope is used for driving the film drawing member to collect the top film, and the film opening pulling rope is used for driving the film drawing member to open the top film.

5. The pull-type greenhouse with the automatically openable and closable top film as claimed in claim 3 or 4, wherein the main body support frame comprises a vertical surface support frame and a roof support frame, the roof support frame is connected with the upper end of the vertical surface support frame, an inclined surface is arranged at the upper end of the roof support frame, and the top film is laid on the inclined surface.

6. The pull-type greenhouse with automatically openable and closable top film as claimed in claim 5, wherein the top film receiving mechanism comprises a receiving groove disposed at an upper end of the inclined surface, a connecting pipe is disposed above the receiving groove, the connecting pipe is connected to the top support, and an end of the top film, which is away from the film pulling member, is connected to the connecting pipe.

7. The pull-type greenhouse with the automatically openable and closable top film as claimed in claim 5, wherein a film supporting line is arranged above the inclined plane, two ends of the film supporting line are respectively connected with the main body supporting frame, the film supporting line is abutted against the lower surface of the top film, and the film supporting line is used for supporting the top film;

the top of epiphragma is equipped with the press mold line, the both ends of press mold line respectively with the main part support frame is connected, the press mold line with the upper surface butt of epiphragma, the press mold line is used for pressing the epiphragma.

8. The pull-type greenhouse with the automatically openable and closable top film as claimed in claim 5, wherein the peripheral side walls of the vertical support and the side walls of the ceiling support are respectively provided with a side wall film;

the vertical surface support and the shed roof support are respectively provided with a film rolling device, one end of the side wall film is connected with the film rolling device, and the film rolling device is used for rolling the side wall film.

9. The pull-type greenhouse with the automatically openable and closable top film as claimed in claim 5, wherein an insect-proof net and a sun-shading net are arranged on the upper end surface of the vertical surface support, the insect-proof net and the sun-shading net are respectively positioned below the greenhouse top support, and the insect-proof net and the sun-shading net can be opened or closed on the upper end surface of the vertical surface support.

10. The pull-type greenhouse with automatically openable and closable top film as claimed in claim 5, wherein the top frame is provided at both sides thereof with water drainage grooves, respectively, the water drainage grooves are provided under the top film, and the water drainage grooves are connected to the main body support frame.

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