Search

CN-224205819-U - Heat preservation quilt retraction device for greenhouse

CN224205819UCN 224205819 UCN224205819 UCN 224205819UCN-224205819-U

Abstract

The application discloses a heat preservation quilt retraction device for a greenhouse, and belongs to the technical field of agricultural engineering. Mainly including rolling pole and rocking arm, the lateral wall fixed mounting of rocking arm has the protection subassembly that is used for protecting the heat preservation membrane, protection subassembly includes the mount, first rotary drum, second rotary drum and coupling mechanism, the top fixed mounting of mount is on the lateral wall of rocking arm, the bottom both ends of mount rotate the installation with the lateral wall of first rotary drum respectively, the both ends of first rotary drum rotate the installation through coupling mechanism and second rotary drum respectively, the lateral wall of first rotary drum is connected through the lateral wall transmission of one-level drive mechanism with the rolling pole, the one end of first rotary drum and second rotary drum is connected through the transmission of second drive mechanism, in-process is received by the heat preservation, the protection is covered all the time at the heat preservation membrane surface, avoid heat preservation quilt edge or drive assembly and membrane face direct contact to produce hard friction, and realize the heat preservation quilt and the synchronous linkage receive and releases by the heat preservation with the second drive mechanism.

Inventors

  • WANG ZHEN
  • LI XIAOLIANG
  • HAN XUEHUI
  • ZHANG JINHUA

Assignees

  • 大荔县设施农业发展中心

Dates

Publication Date
20260508
Application Date
20250528

Claims (7)

  1. 1. The heat preservation quilt winding and unwinding device for the greenhouse is characterized in that the heat preservation quilt winding and unwinding device comprises a winding rod (4), a driving assembly (5), a rotating arm (6) and a stand column (7), wherein the output end of the driving assembly (5) is connected with a driving rod (54) through a key, two ends of the driving rod (54) are fixedly installed with the end part of the winding rod (4) through flanges respectively, a heat preservation quilt (2) is wound on the side wall of the winding rod (4), one end of the rotating arm (6) is fixedly installed with the driving assembly (5), the other end of the rotating arm (6) is hinged with the top part of the stand column (7), and the bottom of the stand column (7) is buried underground; The side wall fixed mounting of rocking arm (6) has the protection subassembly that is used for protecting the heat preservation membrane, the protection subassembly includes mount (8), first rotary drum (9), second rotary drum (10) and coupling mechanism (13), the top fixed mounting of mount (8) is on the lateral wall of rocking arm (6), the bottom both ends of mount (8) rotate the installation with the lateral wall of first rotary drum respectively, the both ends of first rotary drum (9) rotate the installation through coupling mechanism (13) and second rotary drum (10) respectively, the lateral wall of first rotary drum (9) is connected with the lateral wall transmission of rolling pole (4) through one-level drive mechanism (11), the one end of first rotary drum (9) and second rotary drum (10) is connected through second drive mechanism (12) transmission, the lateral wall rolling of second rotary drum (10) is used for protecting the protection quilt (3) of heat preservation membrane.
  2. 2. The heat preservation quilt retraction device for a greenhouse according to claim 1, wherein the driving assembly (5) comprises a driving motor (51) and a gearbox (53), the driving motor (51) is fixedly arranged on the rotating arm (6), an output shaft of the driving motor (51) is in transmission connection with an input shaft of the gearbox (53) through a belt transmission mechanism (52), and the driving rod (54) is fixedly arranged with an output shaft of the gearbox (53).
  3. 3. The heat preservation quilt retraction device for a greenhouse according to claim 1, wherein the primary transmission mechanism (11) comprises a first chain wheel (111), a second chain wheel (112) and a first chain (113), the inside of the first chain wheel (111) is connected with the side wall of the driving rod (54) through a key, the first chain wheel (111) is in transmission connection with the second chain wheel (112) through the first chain (113), and the second chain wheel (112) is fixedly arranged on the side wall of the first rotary drum (9).
  4. 4. A heat preservation quilt retraction device for a greenhouse according to claim 3 wherein the secondary transmission mechanism (12) comprises a third sprocket (121), a second chain (122) and a fourth sprocket (123), wherein the third sprocket (121) is fixedly arranged on the end part of the first rotary drum (9), the fourth sprocket (123) is fixedly arranged on the end part of the second rotary drum (10), and the third sprocket (121) is in transmission connection with the fourth sprocket (123) through the fourth sprocket (123).
  5. 5. The heat preservation quilt retraction device for a greenhouse according to claim 1, wherein the connection mechanism (13) comprises a connection arm (131) and a sleeve (132), two ends of the connection arm (131) are fixedly connected with the sleeve (132) respectively, the sleeve (132) is sleeved on two end side walls of the first rotary drum (9) and the second rotary drum (10) respectively, bearings are arranged in the sleeve (132), and two ends of the first rotary drum (9) and the second rotary drum (10) are connected in a rotating mode in the sleeve (132) respectively.
  6. 6. The heat preservation quilt retraction device for the greenhouse according to claim 1 is characterized in that a mounting plate (61) is fixedly connected to the side wall of the rotating arm (6), and the fixing frame (8) is fixedly mounted on the mounting plate (61) through screws.
  7. 7. A heat preservation quilt retraction device for a greenhouse according to claim 5 wherein the first rotary drum (9) and the second rotary drum (10) are arranged in parallel.

Description

Heat preservation quilt retraction device for greenhouse Technical Field The application relates to the technical field of agricultural engineering, in particular to a heat preservation quilt retraction device for a greenhouse. Background The heat preservation quilt winding and unwinding device of the greenhouse is mainly used for realizing automatic expansion and winding of the heat preservation quilt on the inclined roof of the greenhouse, replaces manual operation through a mechanical transmission structure, thereby adjusting the temperature in the greenhouse, covering the heat preservation quilt for heat preservation in cold time, and collecting the heat preservation quilt for ensuring illumination when the temperature is proper, and improving the convenience and efficiency of greenhouse planting However, when the existing heat preservation quilt retraction device of the greenhouse is used for retracting the heat preservation quilt, the effective protection of the greenhouse oblique-roof heat preservation film is lacking, the edge or the driving component of the heat preservation quilt is easy to generate hard friction with the heat preservation film, so that the film surface is damaged, and the service life is shortened; In addition, the heat preservation quilt and the protection structure in the existing heat preservation quilt winding and unwinding device often operate independently, when the heat preservation quilt is wound, the protection structure cannot be synchronously wound, vegetation illumination in a greenhouse can be possibly shielded, plant growth is affected, and when the heat preservation quilt is unfolded, the protection structure and the heat preservation quilt are unreasonable in covering sequence, and effective protection is difficult to form. Disclosure of utility model The utility model aims to provide a heat preservation quilt retraction device for a greenhouse, which is used for solving the problems in the background technology. The technical scheme adopted for solving the technical problems is as follows: The heat preservation quilt winding and unwinding device for the greenhouse comprises a winding rod, a driving assembly, a rotating arm and a stand column, wherein the top surface of the greenhouse is provided with an inclined top, a heat preservation film is paved on the inclined top, the heat preservation quilt winding and unwinding device comprises a winding rod, a driving assembly, a rotating arm and a stand column, the output end of the driving assembly is connected with the driving rod in a key way, the two ends of the driving rod are fixedly arranged with the end parts of the rolling rod through flanges respectively, the side wall of the rolling rod is rolled with a heat preservation quilt, one end of the rotating arm is fixedly arranged with the driving assembly, the other end of the rotating arm is hinged with the top of the upright post, and the bottom of the upright post is buried underground; The side wall fixed mounting of rocking arm has the protection subassembly that is used for protecting the heat preservation membrane, the protection subassembly includes mount, first rotary drum, second rotary drum and coupling mechanism, the top fixed mounting of mount is on the side wall of rocking arm, the bottom both ends of mount rotate the installation with the lateral wall of first rotary drum respectively, the both ends of first rotary drum rotate the installation through coupling mechanism and second rotary drum respectively, the lateral wall of first rotary drum is connected with the lateral wall transmission of rolling pole through one-level drive mechanism, the one end of first rotary drum and second rotary drum is connected through the transmission of second drive mechanism, the lateral wall rolling of second rotary drum is used for protecting the protection quilt of heat preservation membrane. Preferably, the driving assembly comprises a driving motor and a gearbox, the driving motor is fixedly arranged on the rotating arm, an output shaft of the driving motor is in transmission connection with an input shaft of the gearbox through a belt conveying mechanism, and the driving rod is fixedly arranged with an output shaft of the gearbox. Preferably, the primary transmission mechanism comprises a first sprocket, a second sprocket and a first chain, wherein the inside of the first sprocket is connected with the side wall of the driving rod in a key manner, the first sprocket is in transmission connection with the second sprocket through the first chain, and the second sprocket is fixedly arranged on the side wall of the first rotary drum. Preferably, the secondary transmission mechanism comprises a third sprocket, a second chain and a fourth sprocket, wherein the third sprocket is fixedly arranged on the end part of the first rotary drum, the fourth sprocket is fixedly arranged on the end part of the second rotary drum, and the third sprocket is in transmission connec