CN219844278U - Greenhouse heat preservation quilt rolling and unrolling system - Google Patents

Abstract

The utility model relates to the technical field of greenhouse equipment, and discloses a greenhouse heat preservation quilt winding and unwinding system, wherein the top of a greenhouse is provided with an inclined greenhouse surface, and the winding and unwinding system comprises: the transmission equipment is at least one set of transmission equipment, is arranged on the outer side wall of the greenhouse and is connected with cotton rolling rods positioned on the greenhouse surface; one end of each cotton winding rope is connected with the cotton winding rod, and the other end of each cotton winding rope is fixed at the top end of the greenhouse surface, so that the distance between the cotton winding rods and the top end of the greenhouse surface can be adjusted when the cotton winding rods rotate; the heat preservation quilt, heat preservation quilt one side is fixed in the cotton pole of rolling up, the opposite side is fixed in greenhouse canopy face top, makes transmission equipment drives when rolling up the cotton pole and rotating, can make the heat preservation quilt have at least some synchronous roll-ups, or unwind under the effect of gravity, can adjust the relative length of rolling up the cotton rope through rolling up the rotation of cotton pole to synchronous cotton pole is in the position on greenhouse canopy face and the state of unreeling of heat preservation quilt.

Description

Greenhouse heat preservation quilt rolling and unrolling system

Technical Field

The utility model relates to the technical field of greenhouse equipment, in particular to a greenhouse heat preservation quilt winding and unwinding system.

Background

At present, the greenhouse cotton quilt rolling device is an essential device in modern agricultural production, and the use of the greenhouse cotton quilt rolling device can effectively improve the management efficiency of greenhouse agricultural production. But the manual operation has high labor intensity and low efficiency, and can not be adapted to the development requirements of modern agricultural production.

The existing greenhouse cotton quilt rolling device is generally located in the middle of a front slope or on one side of a gable, a rolling rod is continuously rotated in the rolling and unreeling process of the heat preservation quilt, the preset position of the heat preservation quilt is deviated, the heat preservation quilt cannot reach a preset range when laid, and therefore the growth environment of crops in a greenhouse is easily affected, and accordingly crop yield is reduced.

In summary, a greenhouse insulation quilt winding and unwinding system is needed to solve the above problems.

Disclosure of Invention

The utility model aims to solve the technical problem, and provides a greenhouse heat preservation quilt winding and unwinding system which can adjust the relative length of a cotton winding rope through rotation of a cotton winding rod and synchronize the position of the cotton winding rod on a greenhouse surface and the winding and unwinding state of a heat preservation quilt.

In order to achieve the above object, the present utility model provides a greenhouse heat preservation quilt winding and unwinding system, the top of the greenhouse has an inclined canopy surface, the winding and unwinding system includes: the cotton rolling device comprises transmission equipment, cotton rolling rods, a plurality of cotton rolling ropes and a heat preservation quilt, wherein the number of the transmission equipment is at least one set, the transmission equipment is arranged on the outer side wall of a greenhouse, and the transmission equipment is connected with the cotton rolling rods positioned on the surface of the greenhouse; one end of each cotton winding rope is connected with the cotton winding rod, and the other end of each cotton winding rope is fixed at the top end of the greenhouse surface, so that the distance between the cotton winding rods and the top end of the greenhouse surface can be adjusted when the cotton winding rods rotate; the heat preservation quilt, heat preservation quilt one side is fixed in the cotton pole of book, the opposite side is fixed in greenhouse canopy face top, makes when transmission equipment drives the cotton pole of book rotates, can make the heat preservation quilt have at least some by synchronous roll up, perhaps unwind under the effect of gravity.

The cotton winding rod is not easy to deviate in horizontal position in the moving or rotating process, and the position of the cotton winding rod, the length of the cotton winding rope and the winding and unwinding process of the heat preservation quilt can be accurately mastered by adjusting the transmission equipment.

Specifically, the cotton winding rod and the cotton winding rope are arranged, so that the cotton winding rod can rotate to roll and unreel the heat-insulating quilt, and the position of the cotton winding rod on the roof can be synchronously adjusted due to the length change of the cotton winding rope.

In some embodiments, the number of the transmission devices is two, the two sets of transmission devices are respectively arranged on two opposite sides of the greenhouse body, and the cotton winding rods are connected between the output ends of the two sets of transmission devices.

The two sets of transmission equipment are arranged and can be synchronously powered off or started, so that the cotton rolling rod is not easy to deviate in horizontal position in the moving or rotating process, and the rolling process of the heat preservation quilt is more accurately mastered; and the rotating speeds of the two sets of transmission equipment can be controlled, so that the rotating speeds of the two sets of transmission equipment are different, and the heat preservation quilt can be used for shading the heat preservation quilt in different areas in the greenhouse to different degrees when the heat preservation quilt is paved.

In some embodiments, two sets of movable supporting parts are arranged in cooperation with two sets of transmission equipment, the two sets of movable supporting parts are respectively arranged on two opposite sides of the greenhouse body, one ends of the two sets of movable supporting parts are fixed on the ground, the other ends of the two sets of movable supporting parts are respectively connected with two ends of the cotton winding rod for supporting the cotton winding rod, and when the transmission equipment moves, the movable supporting parts are synchronously driven by the transmission equipment to move.

The movable supporting part can adjust the supporting state of the driving device in real time, so that the supporting property and the reliability are higher.

In some embodiments, the transmission device comprises a servo motor and a gear motor, the servo motor is fixed on the movable supporting part, the gear motor is connected with the servo motor, and an output shaft of the gear motor is connected with the cotton winding rod to control the rotation speed of the cotton winding rod.

The servo motor and the gear motor are matched to control the rotating speed of the cotton rolling rod, so that the heat preservation quilt can be accurately rolled up, and the operation is simple and the efficiency is high.

In some embodiments, an encoder is also provided, the encoder being disposed between the servo motor and the insulation.

It should be noted that, setting up the encoder and reading the rotation angle and the number of turns of motor rotor, can follow-up calculation to obtain the rotation speed and the position of cotton stalk to the information that the encoder received.

In some embodiments, a force sensor is further provided, and the force sensor is disposed between the servo motor and the heat preservation quilt, and is used for reading the force applied by the heat preservation quilt.

Similar to the above embodiment, the force sensor can read the force applied by the heat preservation quilt, so that a user can grasp and correspondingly adjust the quilt reeling process in real time.

In some embodiments, the read head of the encoder is disposed on a housing of the gear motor, and the rotor of the encoder is disposed on an output shaft of the gear motor.

In some embodiments, the plurality of cotton rope winding ends are fixed at the top of the greenhouse surface at preset intervals.

It should be noted that, because the cotton rope is rolled up and can have certain friction with cotton pole, canopy when rolling up cotton pole rotation, should consider the material of cotton rope to these factors and external factors such as environment when selecting to use cotton rope, predetermine the interval simultaneously and can make cotton pole can not appear the uneven phenomenon of height when rotating, promoted stability.

In some embodiments, the movable supporting part comprises a supporting rod and a telescopic rod, the ground supporting rod is arranged at the ground position close to the greenhouse body, one end of the telescopic rod is sleeved with the supporting rod, the other end of the telescopic rod is hinged to the ground supporting rod, the speed reducing motor and the servo motor are arranged at the top end of the supporting rod, which is far away from the telescopic rod, so that the telescopic rod is synchronously stretched or compressed when the cotton winding rod moves.

The telescopic rod and the supporting rod are arranged, the supporting stability is guaranteed by the supporting rod, and a certain movable space is provided for the supporting rod by the telescopic rod, so that the speed reducing motor and the servo motor can move along with the cotton rolling rod.

In some embodiments, a displacement adjuster is disposed on the support rod, and the displacement adjuster is disposed between the gear motor and the servo motor, so as to adjust a distance between the gear motor and the servo motor.

In some embodiments, the displacement adjuster comprises an adjusting belt and a bolt, wherein a plurality of adjusting holes are formed in the adjusting belt, so that the bolt can be clamped in the corresponding adjusting holes for adjusting the length of the adjusting belt.

Compared with the prior art, the greenhouse heat preservation quilt winding and unwinding system provided by the utility model has the following steps of

The beneficial effects are that:

1. according to the greenhouse heat preservation quilt winding and unwinding system provided by the utility model, two sets of transmission equipment can enable two ends of the cotton winding rod to synchronously rotate, so that the condition that the cotton winding rod is uneven in height is avoided, and the normal winding and unwinding of the heat preservation quilt is influenced.

2. According to the greenhouse heat preservation quilt winding and unwinding system provided by the utility model, the information of the cotton winding rod can be obtained through the encoder, so that the rotating speed and the position of the cotton winding rod can be obtained, and the process of winding and unwinding the heat preservation quilt can be controlled.

3. According to the greenhouse heat preservation quilt winding and unwinding system provided by the utility model, the displacement regulator is arranged between the servo motor and the gear motor, so that the distance between the servo motor and the gear motor can be regulated, and the connection between the servo motor and the gear motor is tight.

Drawings

The above features, technical features, advantages and implementation of the present utility model will be further described in the following description of preferred embodiments with reference to the accompanying drawings in a clear and easily understood manner.

FIG. 1 is a schematic diagram of the structure of one embodiment of the present utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a schematic structural view of another embodiment of the present utility model.

Reference numerals illustrate: 1. a heat preservation quilt; 2. a cotton rolling rod; 3. winding cotton ropes; 4. a speed reducing motor; 5. a servo motor; 6. a linking module; 7. greenhouse surface; 8. a support rod; 8-1, a displacement regulator; 9. a telescopic rod; 10. ground dead lever.

Detailed Description

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will explain the specific embodiments of the present utility model with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the utility model, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.

For simplicity of the drawing, only the parts relevant to the utility model are schematically shown in each drawing, and they do not represent the actual structure thereof as a product. Additionally, in order to simplify the drawing for ease of understanding, components having the same structure or function in some of the drawings are shown schematically with only one of them, or only one of them is labeled. Herein, "a" means not only "only this one" but also "more than one" case.

It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

In this context, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In addition, in the description of the present utility model, the terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.

In one embodiment, referring to fig. 1 of the specification, the system for rolling and unrolling the heat-insulating quilt in a greenhouse provided by the utility model is described, and the system for rolling and unrolling the heat-insulating quilt provided by the utility model can control the cotton rolling state and condition of a cotton rolling rod, so that the condition that the two sides of the cotton rolling rod are different in height is not easy to occur, the situation that the heat-insulating quilt is not laid in place is avoided, the operation process is simpler, and the working efficiency is improved.

Referring to fig. 1 and 2 of the specification, the utility model provides a greenhouse heat preservation quilt winding and unwinding system, the top of a greenhouse is provided with an inclined greenhouse surface 7, and the winding and unwinding system comprises: the cotton rolling device comprises transmission equipment, cotton rolling rods 2, a plurality of cotton rolling ropes 3 and heat preservation covers 1, wherein the number of the transmission equipment is at least one, the transmission equipment is arranged on the outer side wall of a greenhouse, and the transmission equipment is connected with the cotton rolling rods 2 positioned on the greenhouse surface 7; one end of the cotton rolling rope 3 is connected with the cotton rolling rod 2, and the other end is fixed at the top end of the greenhouse surface 7, so that the distance between the cotton rolling rod 2 and the top end of the greenhouse surface 7 can be adjusted when the cotton rolling rod 2 rotates; one side of the heat preservation quilt 1 is fixed on the cotton rolling rod, and the other side is fixed on the top end of the greenhouse surface 7, so that when the transmission equipment drives the cotton rolling rod 2 to rotate, at least part of the heat preservation quilt 1 can be synchronously rolled up or unfolded under the action of gravity.

When the transmission equipment is started to rotate the cotton winding rod 2, the cotton winding rod 2 can rotate to realize winding and unwinding of the heat preservation quilt 1 due to the arrangement of the cotton winding rope 3, the position of the cotton winding rod 2 on the greenhouse surface 7 can be synchronously adjusted due to the length change of the cotton winding rope 3, and the heat preservation quilt 1 can be wound on the heat preservation quilt 1 in a circle to play a double protection role when being wound.

In addition, if the heat preservation quilt 1 is not easy to loosen when being rolled up, the cotton rolling ropes 3 are not needed, and only the two ends of the heat preservation quilt 1 are fixed at the tops of the cotton rolling rods 2 and the greenhouse surface 7, so that the heat preservation quilt 1 is ensured to be completely and fully fixed, and the heat preservation quilt 1 can not fall off, and then the cotton rolling rods 2 can roll up or unwind the heat preservation quilt 1 when rotating.

More preferably, two opposite tracks can be arranged on two sides of the greenhouse surface 7, the two tracks correspond to the ends of the cotton rolling rod, and the two ends of the cotton rolling rod 2 can synchronously move on the corresponding tracks when rotating, so that the protection and the guidance quality are improved.

On the basis of the embodiment, the number of the transmission devices is two, the two transmission devices are respectively arranged on two opposite sides of the greenhouse body, and a cotton winding rod 2 is connected between the output ends of the two transmission devices.

The two sets of transmission equipment are arranged and can be synchronously powered off or started, so that the cotton rolling rod 2 is not easy to deviate in the horizontal position in the moving or rotating process, and the rolling and laying process of the heat preservation quilt 1 is more accurately mastered; and the rotating speeds of the two sets of transmission equipment can be controlled, so that the rotating speeds of the two sets of transmission equipment are different, and the heat preservation quilt 1 can be used for shading the heat preservation quilt in different areas in the greenhouse to different degrees when being paved.

In one embodiment, the greenhouse heat preservation quilt rolling and unreeling system is further provided with two movable supporting parts, the number of the movable supporting parts is two, the movable supporting parts are respectively matched with corresponding transmission equipment, one end of each movable supporting part is connected to the ground, the other end of each movable supporting part is connected to two sides of the cotton rolling rod 2 and used for supporting the cotton rolling rod 2, the cotton rolling rods 2 synchronously move on the greenhouse surface 7 when the corresponding transmission equipment moves, and the movable supporting parts are synchronously driven to move and have good supporting performance.

It should be noted that, the movable supporting portion can adjust the supporting state of the cotton rolling rod 2 in real time, so that the supportability and the reliability are higher, the movable supporting portion can be stretched or compressed to a certain extent, and also can rotate bidirectionally, so that the practicality is very high.

Specifically, referring to fig. 1 of the specification, taking the case of the drawing as an example, if the cotton winding rod 2 moves to the left at this time, the movable supporting portion rotates counterclockwise to support the cotton winding rod 2 and the driving device, and performs synchronous stretching according to the moving distance, and vice versa.

In one embodiment, referring to fig. 2 of the specification, the transmission device includes a gear motor 4 and a servo motor 5, the servo motor 5 is fixed on the movable supporting part, the gear motor 4 is connected with the servo motor 5, and an output shaft of the gear motor 4 is connected with the cotton winding rod 2 to control the rotation speed of the cotton winding rod 2.

It should be noted that, when only the gear motor 4 is provided, the rotation speed of the output shaft cannot be controlled, so that the cotton winding rod 2 is easy to rotate excessively to turn over the top end of the greenhouse surface 7, thereby damaging the winding and unwinding system and affecting the property safety of users; the speed reducing motor 4 and the servo motor 5 are arranged at the same time, the speed reducing motor and the servo motor are matched for use, the precision of the servo motor 5 is higher, the rotating speed and the position of the cotton winding rod 2 can be accurately controlled, and the reliability of the whole device and the use feeling of a user are improved.

In the above embodiment, the rotating shafts of the servo motor 5 and the gear motor 4 may be provided with rotating wheels or gears, and then the servo motor 5 and the gear motor 4 are connected by the linking module 6, and the linking module 6 may adopt a chain or belt connection mode.

In one embodiment, an encoder is provided between the servo motor 5 and the insulation 1.

It should be noted that, an encoder is provided to read the rotation angle and the number of turns of the rotor of the servo motor 5, and the rotation speed and the position of the cotton winding rod 2 are obtained by calculating the information received by the encoder, so as to control and adjust the winding and unwinding process of the heat preservation quilt 1.

On the basis of the above embodiment, the reading head of the encoder is provided on the housing of the gear motor 4, and the rotor of the encoder is provided on the output shaft of the gear motor 4, but there are many cases where the positions of the encoder reading head and the rotor are provided, and only one of them is implemented.

In one embodiment, a force sensor is provided between the servo motor 5 and the insulation 1.

The force sensor can read the force received by the heat preservation quilt 1, so that a user can grasp and correspondingly adjust the quilt rolling process in real time; in addition, other sensors matched with the use scene can be arranged for intelligent detection.

In one embodiment, a plurality of cotton rope 3 ends are fixed at the top of the greenhouse surface 7 at preset intervals.

Since the cotton winding rope 3 has a certain friction with the cotton winding rod 2 and the greenhouse surface 7 when the cotton winding rod 2 rotates, the cotton winding rope 3 should be selected to consider the material of the cotton winding rope 3 due to these factors and the external environment, and the nylon rope or iron chain material with high strength and high tensile strength can be preferably adopted.

Meanwhile, the preset interval can prevent the cotton winding rod 3 from being uneven in height during rotation, stability is improved, the preset interval can be equal interval between the cotton winding ropes 3 like the arrangement in the figure 1 or unequal interval, for example, two cotton winding ropes 3 are additionally added on the basis of the arrangement in the figure 1, the additionally added cotton winding ropes 3 can be closer to the middle cotton winding rope 3, the function of auxiliary tension ropes is achieved, but no matter what preset interval is used for arrangement, all cotton winding ropes 3 are symmetrically arranged about the cotton winding rod 2, if the cotton winding ropes are not symmetrically arranged, the situation that the cotton winding rods 2 are different in height is easily caused due to different winding and unwinding forces on two sides of the cotton winding rod 2 is equivalent.

In one embodiment, the winding and unwinding system is further provided with a programmable logic controller or similar control device, so that the control device is connected with the servo motor 5 and can be used for receiving related information and transmitting control signals, and the rotating state of the cotton winding rod 2 can be well controlled.

The programmable logic controller in various control devices has high reliability and strong anti-interference capability, avoids the problem that the heat preservation quilt winding and unwinding work cannot be normally performed due to the failure of the control end of the system, and can be preferentially selected.

In another embodiment, the winding and unwinding system is connected with an internet of things platform, and a corresponding user operation end is arranged on the internet of things platform, so that a user can adjust parameters of the transmission equipment through the user operation end.

The internet of things platform can enable a user to have good grasp on the condition that the heat preservation quilt 1 is rolled up and unrolled, and the rolling up and unrolling are controlled through the user operation end, so that convenience can be provided for the user, and the using happiness of the user is improved.

In one embodiment, be provided with temperature sensor and illumination sensor inside the greenhouse, both synchronous connection to the thing networking platform for can collect the inside environmental data of greenhouse in real time on the thing networking platform, and adjust transmission equipment through user's operation end, further adjust the heat preservation by the volume of 1 and put, make the inside environmental data of greenhouse reach suitable scope.

With the above embodiments, the implementation flow of the greenhouse heat preservation quilt winding and unwinding system in the utility model is simply described:

firstly, a temperature sensor and an illumination sensor in a greenhouse collect related environmental data in the greenhouse, and then the collected data are uploaded to an Internet of things platform, and a user detects the environmental data in the greenhouse through the Internet of things platform and sends out an instruction through a user operation end; after the programmable logic controller obtains the instruction, the data of the encoder and the force sensor are read and calculated to obtain the rotating speed and the position information of the cotton rolling rod 2, and a control signal is output according to the corresponding information, so that the servo motor 5 moves according to the control signal, and the state of the cotton rolling rod 2 can be adjusted by the speed reducing motor 4, so that the rolling and releasing of the heat preservation quilt 1 are controlled.

The implementation flow just combines the previous embodiments, and the process of using the greenhouse heat preservation quilt winding and unwinding system of the utility model by a user is described, and is not an improvement of the method and the steps, but a further discussion and description of the structure and the device arranged in the winding and unwinding system, and of course, the utilized structure and device can be replaced according to specific situations.

In one embodiment, referring to fig. 1 of the specification, the movable supporting part comprises a supporting rod 8 and a telescopic rod 9, one end of the telescopic rod 9 is sleeved with the supporting rod 8, the other end of the telescopic rod 9 is hinged to a ground supporting rod 10, and the speed reducing motor 4 and the servo motor 5 are arranged at the top end of the supporting rod 8 far away from the telescopic rod 9, so that the telescopic rod 9 is synchronously stretched or compressed when the cotton winding rod 2 moves.

It should be noted that, the arrangement of the telescopic rod 9 and the supporting rod 8 ensures the supporting stability by the supporting rod 8, and the telescopic rod 9 provides a certain movable space for the supporting rod 8, so that the speed reducing motor 4 and the servo motor 5 connected to the supporting rod 8 can move along with the cotton winding rod 2.

The ground support rod 10 is connected with the telescopic rod 9 to keep running stability, and the ground support rod 10 and the telescopic rod 9 can be connected through a hinged structure, and besides the ground support rod 10, a fixed steel frame or a base can be arranged for rotating the telescopic rod 9, and the like structures are numerous and are not listed one by one.

In one embodiment, on the basis of the above embodiment, referring to fig. 3 of the specification, the support rod 8 is provided with a displacement regulator 8-1, the displacement regulator 8-1 includes an adjusting belt and a bolt, the adjusting belt is provided with a plurality of adjusting holes, the bolt can be clamped in the corresponding adjusting holes to adjust the distance between the gear motor 4 and the servo motor 5, and the displacement regulator 8-1 can ensure that the connection between the gear motor 4 and the servo motor 5 can be always in a proper distance and state, so that the connection strength of the link module 6 is very good.

It should be noted that the above embodiments can be freely combined as needed. The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Claims (10)

1. A greenhouse insulation quilt winding and unwinding system, the top of the greenhouse having an inclined greenhouse canopy, comprising:

the transmission equipment is arranged on the outer side wall of the greenhouse, and is connected with cotton rolling rods positioned on the greenhouse surface;

one end of each cotton winding rope is connected with the cotton winding rod, and the other end of each cotton winding rope is fixed at the top end of the greenhouse surface, so that the distance between the cotton winding rods and the top end of the greenhouse surface can be adjusted when the cotton winding rods rotate;

the heat preservation quilt, heat preservation quilt one side is fixed in the cotton pole of book, the opposite side is fixed in greenhouse canopy face top, makes when transmission equipment drives the cotton pole of book rotates, can make the heat preservation quilt have at least some by synchronous roll up, perhaps unwind under the effect of gravity.

2. The greenhouse heat preservation quilt winding and unwinding system according to claim 1, wherein the number of the transmission devices is two, the two transmission devices are respectively arranged on two opposite sides of the greenhouse body, and the cotton winding rods are connected between the output ends of the two transmission devices.

3. The greenhouse heat preservation quilt rolling and unrolling system according to claim 2, wherein two sets of movable supporting parts are arranged in a matched mode with two sets of transmission equipment, the two sets of movable supporting parts are respectively arranged on two opposite sides of a greenhouse body, one ends of the two sets of movable supporting parts are fixed on the ground, the other ends of the two sets of movable supporting parts are respectively connected with two ends of a cotton rolling rod for supporting the cotton rolling rod, and when the transmission equipment moves, the movable supporting parts are synchronously driven by the transmission equipment to move.

4. The greenhouse heat preservation quilt rolling and unrolling system according to claim 3, wherein the transmission equipment comprises a servo motor and a gear motor, the servo motor is fixed on the movable supporting portion, the gear motor is connected with the servo motor, and an output shaft of the gear motor is connected with the cotton rolling rod to control the rotation speed of the cotton rolling rod.

5. A greenhouse insulation quilt reeling and unreeling system according to claim 4, further comprising an encoder, wherein the encoder is arranged between the servo motor and the insulation quilt.

6. A greenhouse insulation quilt reeling and unreeling system according to claim 5, further comprising a force sensor arranged between the servo motor and the insulation quilt for reading the force to which the insulation quilt is subjected.

7. The greenhouse heat preservation quilt rolling and unrolling system according to claim 3, wherein the movable supporting portion comprises a supporting rod and a telescopic rod, a ground supporting rod is arranged at the ground position close to the greenhouse body, one end of the telescopic rod is sleeved with the supporting rod, the other end of the telescopic rod is hinged to the ground supporting rod, the speed reducing motor and the servo motor are arranged at the top end of the supporting rod far away from the telescopic rod, and the telescopic rod is synchronously stretched or compressed when the cotton rolling rod moves.

8. The greenhouse heat preservation quilt winding and unwinding system according to claim 5, wherein a reading head of the encoder is arranged on a shell of the gear motor, and a rotor of the encoder is arranged on an output shaft of the gear motor.

9. The greenhouse heat preservation quilt winding and unwinding system according to claim 7, wherein the support rod is provided with a displacement regulator, and the displacement regulator is arranged between the gear motor and the servo motor for regulating the distance between the gear motor and the servo motor.

10. The greenhouse heat preservation quilt winding and unwinding system according to claim 9, wherein the displacement regulator comprises an adjusting belt and a bolt, a plurality of adjusting holes are formed in the adjusting belt, and the bolt can be clamped in the corresponding adjusting holes to adjust the length of the adjusting belt.