Retracting and releasing device for thermal insulation curtain of plastic greenhouse

Abstract

The invention discloses a collecting and releasing device for a plastic greenhouse heat preservation curtain, and relates to the technical field of curtain collecting and releasing. The collecting and releasing device for the plastic greenhouse heat preservation curtain comprises two collecting and releasing mechanisms which are symmetrically arranged on the two sides of a greenhouse body. According to the collecting and releasing device for the plastic greenhouse heat preservation curtain, the curtain bodies on the same side can be selectively collected and released only through driving of one motor, use is more convenient and faster, cost is lower, when the curtain bodies are released, the top and the side faces of the greenhouse body can be covered, the heat preservation capacity of the greenhouse body is improved, and the service life of the greenhouse body is prolonged. The problem that an existing device can only cover the top and cannot cover the side face is solved, the indoor temperature of the greenhouse body can be effectively increased when cold waves come in winter, impurities and the like on the outer surface of the curtain body can be automatically cleaned in the folding and unfolding process, the folding and unfolding effect can be guaranteed, and damage to the curtain body can be avoided.

Description

Technical Field

[0001] The invention relates to the technical field of curtain retraction and deployment, and in particular to a retraction and deployment device for a plastic greenhouse thermal insulation curtain. Background Art

[0002] The mechanized retraction and deployment technology of the thermal insulation curtain in the plastic greenhouse is the key technology of the mechanization of facility horticulture, and plays a vital role in the growth environment of greenhouse crops. The thermal insulation performance of the plastic greenhouse is poorer than that of the solar greenhouse, so it is mostly used in the south. When the cold wave comes in the south, the thermal insulation performance of the plastic greenhouse itself is not enough to meet the growth needs of crops in the greenhouse. Therefore, a reasonable internal thermal insulation curtain retraction and deployment device is very important for the use of plastic greenhouses in cold seasons. The existing thermal insulation curtain retraction and deployment device in the plastic greenhouse is mainly to lay the thermal insulation curtain on the top of the plastic greenhouse, but cannot take into account the two sides of the plastic greenhouse, and its thermal insulation effect is bound to be greatly reduced. Moreover, during the retraction and deployment process, impurities are easily attached to the outer surface of the curtain, which not only affects its retraction and deployment effect, but also easily causes damage to it. Summary of the invention

[0003] The object of the present invention is to provide a retractable device for a plastic greenhouse thermal insulation curtain to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a retractable device for a plastic greenhouse thermal insulation curtain, comprising two symmetrically arranged retractable mechanisms arranged on both sides of a greenhouse body, each of the retractable mechanisms comprising two L-shaped support frames, and the opposite side walls of the two support frames are rotatably connected with a driving shaft and a driven shaft, a plurality of groups of L-shaped guide grooves are arranged between the two support frames, and the number of each group of guide grooves is two, a driving winding wheel and a driven winding wheel are inserted into each of the guide grooves, and the driven winding wheel is fixedly sleeved on the side wall of the driven shaft, and the driving winding wheel is sleeved on the side wall of the driving shaft and rotates therewith. The invention relates to a method for controlling the rotation of the guide grooves of the driven winding wheel and the driven winding wheel to be connected, and a connecting mechanism is provided between each driving winding wheel and the driving shaft, and two annular steel wire ropes are inserted in each group of guide grooves, the steel wire ropes are sleeved on the side walls of the driving winding wheel and the driven winding wheel, and the side walls of each group of steel wire ropes are fixedly connected with a moving rod, the side walls of the moving rod are fixedly sleeved with a guide tube, and retractable rollers are provided between each group of guide grooves, each of the retractable rollers is fixedly sleeved on the side walls of the driving shaft, and a curtain body is wound around the side walls of the retractable rollers, the upper end of the curtain body is fixed to the side walls of the guide tube, and a cleaning mechanism for cleaning the curtain body is provided on the side walls of each group of guide grooves.

[0005] Preferably, the connection mechanism includes a plurality of array-arranged sockets opened on the side walls of each driving winding wheel, and the end of each driving winding wheel is connected to a first moving block through a moving mechanism, and a pin is fixedly connected to the bottom of the first moving block.

[0006] Preferably, the moving mechanism includes a fixed block fixedly connected to the end of the driving winding wheel, and the top of the fixed block is connected to the second moving block through a first reset mechanism, the first moving block is connected to the first reset mechanism, the bottom of the second moving block is fixedly connected to an iron block, and the top of the fixed block is fixedly connected to an electromagnet.

[0007] Preferably, the first resetting mechanism includes a first sliding rod inserted on the top of the fixed block, and the upper end of the first sliding rod is fixed to the bottom of the second movable block, the lower end of the first sliding rod is fixed to the top of the first movable block, and the side wall of each of the first sliding rods is sleeved with a first spring, and the two ends of the first spring are respectively fixed to the second movable block and the fixed block.

[0008] Preferably, the cleaning mechanism includes a movable plate, and the side wall of the movable plate is fixedly connected with a plurality of bristles arranged in an array, the movable plate is connected to the side wall of the guide groove through a second reset mechanism, and the movement of the movable plate is driven by a first driving mechanism.

[0009] Preferably, the second reset mechanism includes two symmetrically arranged T-shaped guide rods fixedly connected to the side walls of the movable plate, and the side walls of the T-shaped guide rods are sleeved with support plates, the support plates are fixed to the side walls of the guide grooves, and the side walls of each T-shaped guide rod are sleeved with a second spring.

[0010] Preferably, the first pushing mechanism includes a pushing plate fixedly connected to the bottom of the movable plate, and the pushing plate includes an inclined surface, the side wall of the guide groove is connected to a pushing rod through a third reset mechanism, and the pushing of the pushing rod is pushed through the second pushing mechanism.

[0011] Preferably, the third reset mechanism includes an L-shaped block sleeved on the side wall of the push rod, the L-shaped block is fixed to the side wall of the guide groove, the side wall of the push rod is sleeved with a third spring, and the two ends of the third spring are respectively fixed to the L-shaped block and the side wall of the guide groove.

[0012] Preferably, the second pushing mechanism includes a second sliding rod inserted in the side wall of the guide groove, and one end of the second sliding rod is fixed to one end of the pushing rod, and the side wall of the driving winding wheel is provided with a plurality of semicircular grooves arranged in an array.

[0013] Preferably, a motor is fixedly connected to the side wall of the support frame, and an output end of the motor is fixed to one end of the driving shaft.

[0014] Compared with the prior art, the present invention has the following beneficial effects: (1) The retractable and retractable device of the plastic greenhouse thermal insulation curtain is provided with a connection mechanism, etc., when in use, the motor is started, and the rotation of the motor drives the rotation of the driving shaft. When a certain curtain body needs to be retracted and released, the electromagnet corresponding to the curtain body is energized, and the electromagnet attracts the iron block after being energized, so that the second moving block moves downward, and at the same time, the first moving block is driven downward by the first sliding rod. At the same time, the first spring is compressed and the pin is inserted into the socket. At this time, when the driving shaft rotates, it can drive the driving winding wheel to rotate, and drive the driven winding wheel to rotate. The driving shaft rotates to transmit the wire rope, and then drives the guide tube to move downward or upward along the guide groove by driving the moving rod to realize the retraction and extension operation of the curtain body. It only needs to be driven by one motor to realize the selective retraction and extension of the curtain body on the same side. It is more convenient and quick to use and has lower cost. When released, it can cover the top and sides of the greenhouse body to promote the thermal insulation capacity of the greenhouse body, and overcomes the problem that the existing device can only cover the top but not the sides. When the cold wave comes in winter, the indoor temperature of the greenhouse body can be effectively improved.

[0015] (2) The retractable and unretractable device of the plastic greenhouse thermal insulation curtain is provided with a cleaning mechanism, etc., so that when the curtain body is retracted and unretracted, the driving winding wheel is rotated. When the end of the second sliding rod slides out of the semicircular groove and slides on the side wall of the driving winding wheel, the second sliding rod can push the push rod to move in the direction away from the guide groove. At the same time, the third spring is compressed, and the other end of the push rod is abutted against the inclined surface, thereby pushing the movable plate to move in the direction away from the support plate. At the same time, the second spring is compressed. When the end of the second sliding rod is aligned with the semicircular groove again, the end of the second sliding rod is inserted into the semicircular groove again under the action of the third spring. At the same time, the movable plate can be moved and reset in the direction away from the support plate under the action of the second spring. In this way, the movable plate can be reciprocated and the brush bristles can be driven to reciprocate. Therefore, in the process of retracting and unretracting the curtain body, impurities on the outer surface of the curtain body can be automatically cleaned, thereby ensuring the retractable and unretractable effect and avoiding damage to the curtain body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the present invention in use state; Figure 2 It is a partial cross-sectional structural schematic diagram of the guide groove in the present invention; Figure 3 It is a schematic diagram of the position structure of the cleaning mechanism in the present invention; Figure 4 for Figure 2 A schematic diagram of the enlarged structure at A in the middle; Figure 5 for Figure 3 A schematic diagram of the enlarged structure at B in the middle; Figure 6 for Figure 4 Schematic diagram of the enlarged structure at C in the middle; Figure 7 for Figure 5 Schematic diagram of the enlarged structure at D in the middle; Figure 8 for Figure 6 Schematic diagram of the enlarged structure at E in the middle.

[0017] In the figure: 1, greenhouse body; 201, socket; 202, first moving block; 203, latch; 301, fixed block; 302, second moving block; 303, electromagnet; 304, iron block; 401, first sliding rod; 402, first spring; 501, moving plate; 502, bristles; 601, support plate; 602, T-shaped guide rod; 603, second spring; 701, push plate; 702, inclined plane; 703, push Rod; 801, L-shaped block; 802, third spring; 901, semicircular groove; 902, second sliding rod; 10, motor; 1101, support frame; 1102, driving shaft; 1103, guide groove; 1104, driving winding wheel; 1105, driven shaft; 1106, driven winding wheel; 1107, wire rope; 1108, moving rod; 1109, guide tube; 1110, retracting roller; 1111, curtain body. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] See also Figure 1-Figure 8The present invention provides a technical solution: a retractable device for a plastic greenhouse thermal insulation curtain, comprising two symmetrically arranged retractable mechanisms arranged on both sides of a greenhouse body 1, each retractable mechanism comprising two L-shaped support frames 1101, and the opposite side walls of the two support frames 1101 are rotatably connected with a driving shaft 1102 and a driven shaft 1105, a plurality of groups of L-shaped guide grooves 1103 are arranged between the two support frames 1101, and the number of each group of guide grooves 1103 is two, and each guide groove 1103 is inserted with a driving winding wheel 1104 and The driven winding wheel 1106 is fixedly sleeved on the side wall of the driven shaft 1105, the driving winding wheel 1104 is sleeved on the side wall of the driving shaft 1102 and is rotatably connected thereto, and a connecting mechanism is provided between each driving winding wheel 1104 and the driving shaft 1102, and two annular steel wire ropes 1107 are inserted into each group of guide grooves 1103, and the steel wire ropes 1107 are sleeved on the side walls of the driving winding wheel 1104 and the driven winding wheel 1106, and the side walls of each group of steel wire ropes 1107 are fixedly connected to the moving rod 1 108, a guide tube 1109 is fixedly sleeved on the side wall of the moving rod 1108, and a retracting roller 1110 is arranged between each group of guide grooves 1103, each retracting roller 1110 is fixedly sleeved on the side wall of the driving shaft 1102, and a curtain body 1111 is wound around the side wall of the retracting roller 1110, and the upper end of the curtain body 1111 is fixed to the side wall of the guide tube 1109, and a cleaning mechanism for cleaning the curtain body 1111 is arranged on the side wall of each group of guide grooves 1103, and the curtain on the same side can be cleaned by only one motor 10. The cloth body 1111 can be selectively retracted and released, which makes it more convenient, quicker and cheaper to use. When released, it can cover the top and sides of the greenhouse body 1, thereby improving the thermal insulation capacity of the greenhouse body 1 and overcoming the problem that the existing device can only cover the top but not the sides. When the winter cold wave comes, the indoor temperature of the greenhouse body 1 can be effectively improved. Moreover, during the retraction process, impurities on the outer surface of the curtain body 1111 can be automatically cleaned, which can not only ensure the retraction effect, but also avoid damage to the curtain body 1111.

[0020] The connecting mechanism includes a plurality of array-arranged sockets 201 provided on the side walls of each driving winding wheel 1104, and the end of each driving winding wheel 1104 is connected to a first moving block 202 via a moving mechanism, and a latch 203 is fixedly connected to the bottom of the first moving block 202. When a certain curtain body 1111 needs to be retracted or released, the first moving block 202 is moved downward by the moving mechanism, and the latch 203 is inserted into the socket 201. At this time, when the driving shaft 1102 rotates, it can drive the driving winding wheel 1104 to rotate.

[0021] The moving mechanism includes a fixed block 301 fixedly connected to the end of the driving winding wheel 1104, and the top of the fixed block 301 is connected to the second moving block 302 through a first reset mechanism, the first moving block 202 is connected to the first reset mechanism, the bottom of the second moving block 302 is fixedly connected to an iron block 304, and the top of the fixed block 301 is fixedly connected to an electromagnet 303, the electromagnet 303 is energized, and after the electromagnet 303 is energized, it attracts the iron block 304, so that the second moving block 302 moves downward, and at the same time, the first moving block 202 and the latch 203 are driven to move downward through the first reset mechanism.

[0022] The first reset mechanism includes a first sliding rod 401 inserted on the top of the fixed block 301, and the upper end of the first sliding rod 401 is fixed to the bottom of the second moving block 302, and the lower end of the first sliding rod 401 is fixed to the top of the first moving block 202. The side wall of each first sliding rod 401 is sleeved with a first spring 402, and the two ends of the first spring 402 are respectively fixed to the second moving block 302 and the fixed block 301, which guides and resets the movement of the first moving block 202 and the latch 203.

[0023] The cleaning mechanism includes a movable plate 501, and the side wall of the movable plate 501 is fixedly connected with a plurality of array-arranged bristles 502. The movable plate 501 is connected to the side wall of the guide groove 1103 through a second reset mechanism, and the movement of the movable plate 501 is driven by a first pushing mechanism. When the curtain body 1111 is retracted and released, the winding wheel 1104 is driven to rotate. At the same time, the movable plate 501 and the bristles 502 are reciprocated by the first pushing mechanism and the second reset mechanism. Therefore, in the process of retracting and releasing the curtain body 1111, impurities on the outer surface of the curtain body 1111 can be automatically cleaned to ensure the retraction effect and avoid damage to the curtain body 1111.

[0024] The second reset mechanism includes two symmetrically arranged T-shaped guide rods 602 fixedly connected to the side wall of the movable plate 501, and the side wall of the T-shaped guide rod 602 is sleeved with a support plate 601, the support plate 601 is fixed to the side wall of the guide groove 1103, and the side wall of each T-shaped guide rod 602 is sleeved with a second spring 603, which plays a guiding and reset role for the movement of the movable plate 501.

[0025] The first pushing mechanism includes a pushing plate 701 fixedly connected to the bottom of the movable plate 501, and the pushing plate 701 includes an inclined surface 702. The side wall of the guide groove 1103 is connected to a pushing rod 703 through a third reset mechanism, and the pushing rod 703 is pushed by the second pushing mechanism. When the driving winding wheel 1104 is rotated, the pushing rod 703 is moved back and forth through the second pushing mechanism and the third reset mechanism. When the other end of the pushing rod 703 is against the inclined surface 702, the movable plate 501 is pushed to move in a direction away from the support plate 601.

[0026] The third reset mechanism includes an L-shaped block 801 sleeved on the side wall of the push rod 703, the L-shaped block 801 is fixed to the side wall of the guide groove 1103, the side wall of the push rod 703 is sleeved with a third spring 802, and the two ends of the third spring 802 are respectively fixed to the L-shaped block 801 and the side wall of the guide groove 1103, which plays a guiding and reset role in the movement of the push rod 703.

[0027] The second pushing mechanism includes a second sliding rod 902 inserted into the side wall of the guide groove 1103, and one end of the second sliding rod 902 is fixed to one end of the pushing rod 703. The side wall of the driving winding wheel 1104 is provided with a plurality of semicircular grooves 901 arranged in an array. When the curtain body 1111 is retracted or released, the driving winding wheel 1104 rotates. When the end of the second sliding rod 902 slides out of the semicircular groove 901 and slides on the side wall of the driving winding wheel 1104, the second sliding rod 902 can push the pushing rod 703 to move in a direction away from the guide groove 1103.

[0028] The side wall of the support frame 1101 is fixedly connected with the motor 10 , and the output end of the motor 10 is fixed to one end of the driving shaft 1102 . When the motor 10 is started, the rotation of the motor 10 drives the rotation of the driving shaft 1102 .

[0029] Working principle: When in use, the motor 10 is started, and the rotation of the motor 10 drives the rotation of the driving shaft 1102. When a certain curtain body 1111 needs to be retracted or released, the electromagnet 303 corresponding to the curtain body 1111 is energized. After the electromagnet 303 is energized, it attracts the iron block 304, so that the second moving block 302 moves downward. At the same time, the first moving block 202 is driven to move downward through the first sliding rod 401. At the same time, the first spring 402 is compressed, and the latch 203 is inserted into the socket 201. At this time, when the driving shaft 1102 rotates, it can drive the driving winding wheel 1104 to rotate, and the driven shaft 1105 is driven to rotate by the driven winding wheel 1106, so as to transmit the wire rope 1107, and then drive the guide tube 1109 to move downward or upward along the guide groove 1103 by driving the moving rod 1108, so as to realize the retracting and releasing operation of the curtain body 1111. It only needs to be driven by a motor 10 to realize the selective retracting and releasing of the curtain body 1111 on the same side, which is more convenient and quick to use, and has lower cost. When released, it can cover the top and sides of the greenhouse body 1, thereby improving the heat preservation ability of the greenhouse body 1, overcoming the problem that the existing device can only cover the top but not the sides. When the cold wave comes in winter, it can effectively increase the indoor temperature of the greenhouse body 1. At the same time, when the curtain body 1111 is retracted and released, the driving winding wheel 1104 rotates, and when the end of the second sliding rod 902 slides out of the semicircular groove 901 and slides on the side wall of the driving winding wheel 1104, the second sliding rod 902 can push the pushing rod 703 to move in the direction away from the guide groove 1103. At the same time, the third spring 802 is compressed, and the other end of the pushing rod 703 is against the inclined surface 702, thereby pushing the moving plate 501 to move in the direction away from the supporting plate 601. At the same time, the second spring 603 is compressed, and when the end of the second sliding rod 902 is again When aligned with the semicircular groove 901, under the action of the third spring 802, the end of the second sliding rod 902 is inserted into the semicircular groove 901 again. At the same time, the movable plate 501 can be moved and reset in the direction away from the support plate 601 under the action of the second spring 603. In this way, the movable plate 501 can move back and forth, and at the same time, the bristles 502 can be driven to move back and forth. In the process of retracting and extending the curtain body 1111, impurities on the outer surface of the curtain body 1111 can be automatically cleaned to ensure the retraction effect and avoid damage to the curtain body 1111.

Claims

1. A retractable device for a plastic greenhouse thermal insulation curtain, comprising two symmetrically arranged retractable mechanisms arranged on both sides of a greenhouse body (1), characterized in that: Each of the retractable mechanisms comprises two support frames (1101) arranged in an L shape, and the opposite side walls of the two support frames (1101) are rotatably connected with a driving shaft (1102) and a driven shaft (1105), a plurality of groups of guide grooves (1103) arranged in an L shape are arranged between the two support frames (1101), and the number of each group of guide grooves (1103) is two, each of the guide grooves (1103) is inserted with a driving winding wheel (1104) and a driven winding wheel (1106), and the driven winding wheel (1106) is fixedly sleeved on the side wall of the driven shaft (1105), the driving winding wheel (1104) is sleeved on the side wall of the driving shaft (1102) and is rotatably connected thereto, and a connecting mechanism is arranged between each driving winding wheel (1104) and the driving shaft (1102), and each group of guide grooves (1103) has a plurality of guide grooves (1103) in it. Two annularly arranged steel wire ropes (1107) are inserted, the steel wire ropes (1107) are sleeved on the side walls of the driving winding wheel (1104) and the driven winding wheel (1106), and the side walls of each group of steel wire ropes (1107) are fixedly connected to a moving rod (1108), the side walls of the moving rod (1108) are fixedly sleeved with a guide tube (1109), and a retractable roller (1110) is arranged between each group of guide grooves (1103), each of the retractable rollers (1110) is fixedly sleeved on the side wall of the driving shaft (1102), and a curtain body (1111) is wound around the side wall of the retractable roller (1110), the upper end of the curtain body (1111) is fixed to the side wall of the guide tube (1109), and the side wall of each group of guide grooves (1103) is provided with a cleaning mechanism for cleaning the curtain body (1111).

2. The retractable device for the plastic greenhouse thermal insulation curtain according to claim 1, characterized in that: The connection mechanism comprises a plurality of array-arranged sockets (201) opened on the side walls of each driving winding wheel (1104), and the end of each driving winding wheel (1104) is connected to a first moving block (202) via a moving mechanism, and a latch (203) is fixedly connected to the bottom of the first moving block (202).

3. The retractable device for the plastic greenhouse thermal insulation curtain according to claim 2, characterized in that: The moving mechanism comprises a fixed block (301) fixedly connected to the end of the driving winding wheel (1104), the top of the fixed block (301) is connected to a second moving block (302) via a first reset mechanism, the first moving block (202) is connected to the first reset mechanism, the bottom of the second moving block (302) is fixedly connected to an iron block (304), and the top of the fixed block (301) is fixedly connected to an electromagnet (303).

4. The retractable device for the plastic greenhouse thermal insulation curtain according to claim 3, characterized in that: The first reset mechanism comprises a first sliding rod (401) inserted into the top of the fixed block (301), and the upper end of the first sliding rod (401) is fixed to the bottom of the second moving block (302), and the lower end of the first sliding rod (401) is fixed to the top of the first moving block (202), and the side wall of each of the first sliding rods (401) is sleeved with a first spring (402), and the two ends of the first spring (402) are respectively fixed to the second moving block (302) and the fixed block (301).

5. The retractable device for the plastic greenhouse thermal insulation curtain according to claim 1, characterized in that: The cleaning mechanism comprises a movable plate (501), and a plurality of bristles (502) arranged in an array are fixedly connected to the side wall of the movable plate (501); the movable plate (501) is connected to the side wall of the guide groove (1103) via a second reset mechanism, and the movement of the movable plate (501) is driven by a first driving mechanism.

6. The device for retracting and releasing the plastic greenhouse thermal insulation curtain according to claim 5, characterized in that: The second reset mechanism comprises two symmetrically arranged T-shaped guide rods (602) fixedly connected to the side wall of the movable plate (501), and the side wall of the T-shaped guide rod (602) is sleeved with a support plate (601), the support plate (601) is fixed to the side wall of the guide groove (1103), and the side wall of each T-shaped guide rod (602) is sleeved with a second spring (603).

7. The retractable device for the plastic greenhouse thermal insulation curtain according to claim 5, characterized in that: The first pushing mechanism comprises a pushing plate (701) fixedly connected to the bottom of the moving plate (501), and the pushing plate (701) comprises an inclined surface (702); the side wall of the guide groove (1103) is connected to a pushing rod (703) via a third reset mechanism, and the pushing of the pushing rod (703) is performed via the second pushing mechanism.

8. The device for retracting and releasing the plastic greenhouse thermal insulation curtain according to claim 7, characterized in that: The third reset mechanism comprises an L-shaped block (801) sleeved on the side wall of the push rod (703), the L-shaped block (801) being fixed to the side wall of the guide groove (1103), the side wall of the push rod (703) being sleeved with a third spring (802), and the two ends of the third spring (802) being respectively fixed to the L-shaped block (801) and the side wall of the guide groove (1103).

9. The device for retracting and releasing the plastic greenhouse thermal insulation curtain according to claim 7, characterized in that: The second pushing mechanism comprises a second sliding rod (902) inserted into the side wall of the guide groove (1103), and one end of the second sliding rod (902) is fixed to one end of the pushing rod (703). The side wall of the driving winding wheel (1104) is provided with a plurality of semicircular grooves (901) arranged in an array.

10. The retractable and deployable device for the plastic greenhouse thermal insulation curtain according to claim 1, characterized in that: The side wall of the support frame (1101) is fixedly connected to a motor (10), and the output end of the motor (10) is fixed to one end of the drive shaft (1102).

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