CN212911006U

CN212911006U - Film rolling device

Info

Publication number: CN212911006U
Application number: CN202021145570.7U
Authority: CN
Inventors: 王国君
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2021-04-09
Anticipated expiration: 2030-06-18

Abstract

The utility model discloses a film rolling device relates to greenhouse accessory technical field, and its technical scheme main points are: the motor-driven power shaft installation device comprises a motor, an installation seat and a power shaft, wherein the installation seat is fixed with the motor and is coaxially arranged with an output shaft of the motor, the installation seat is provided with an installation hole, the output shafts of the power shaft and the motor are all rotatably arranged in the installation hole, the power shaft is coaxially arranged with the output shaft of the motor, and the power shaft is connected with the output shaft of the motor through a speed reduction assembly. The motor, the mount pad and the power shaft are all coaxially arranged, the output shaft of the motor is connected with the power shaft through the speed reduction assembly, the output shaft of the motor directly drives the power shaft to rotate through the speed reduction assembly, the internal structure of the film rolling device is simple, the speed reduction assembly can still stably drive the power shaft to rotate at a constant speed when the power shaft bears a large force, and therefore the purpose of good stability of the film rolling device is achieved.

Description

Film rolling device

Technical Field

The utility model relates to a greenhouse accessory technical field, in particular to roll up membrane ware.

Background

At present, a greenhouse for breeding crops needs to adjust the temperature and humidity in the greenhouse in the use process to adapt to the growth of crops in the greenhouse, the common method is to roll up the greenhouse film on the side of the greenhouse upwards, and the side of the greenhouse is rolled up manually in the prior art, but the working efficiency is low and the labor intensity is high, so that most of greenhouses adopt a film rolling device to roll up the greenhouse film on the side upwards, and the rolling efficiency of the greenhouse film is improved.

Chinese patent No. CN201369971Y discloses an electric film winder with a half-shaft output axle structure. The automatic transmission device comprises a motor, a box body, a box cover, a planet wheel speed reducing mechanism, a stroke control mechanism, an output shaft and a connecting sleeve, wherein a shaft end gear of the motor is meshed with an input gear, an inner hole of the input gear is fixedly connected with the periphery of a transition sleeve, the transition sleeve is fixedly connected with an inner hole of a sun gear of the planet wheel speed reducing mechanism, the output end of the planet wheel speed reducing mechanism is connected with the output shaft, the transition sleeve is sleeved on a half shaft, one end of the half shaft is fixedly connected with the output shaft through a fixing. The electric film rolling device with the semi-shaft type output wheel shaft structure is used for driving the greenhouse curtain retracting mechanism.

The technical scheme has the following defects: the structure of planet wheel reduction gears is comparatively complicated, and each part is more, and the power of motor needs to drive each part through a plurality of mechanisms and mutually supports to reduce the rotational speed of output shaft, the setting of a plurality of parts easily leads to this film reeling device unstability, and the load that this reduction gears can bear is still less, and the fault rate that leads to this film reeling device is higher, is difficult to realize the purpose of prolonging film reeling device life.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a film rolling device, it has the better advantage of stability.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a film rolling device, includes motor, mount pad and power shaft, the mount pad with the motor is fixed mutually, just the mount pad with the coaxial setting of output shaft of motor, the outside of mount pad is provided with the fixed part, the mount pad has the mounting hole, the output shaft of power shaft, motor all rotate set up in the mounting hole, just the power shaft with the coaxial setting of output shaft of motor, the power shaft with be connected through speed reduction subassembly between the output shaft of motor.

Through the technical scheme, including a motor, mount pad and the equal coaxial setting of power shaft, and the output shaft of motor is connected with the power shaft through speed reduction subassembly, the fixed part is fixed with the outside of mount pad, this film rolling device passes through the fixed part and is fixed with external connecting piece of treating, the output shaft of motor directly drives the power shaft through speed reduction subassembly and rotates, make the inner structure of this film rolling device comparatively simple, when the power that the power shaft bore, speed reduction subassembly still can stably drive the power shaft at the uniform velocity and rotate, thereby realize the better purpose of this film rolling device stability.

Preferably, an output shaft of the motor is fixedly connected with a sun gear, and a track rack is arranged on the hole wall at the lower end of the mounting hole; the speed reduction assembly comprises a fixed frame and a plurality of planet gears, the planet gears are distributed in the fixed frame at intervals in the circumferential direction and are rotationally connected with the fixed frame, the planet gears are all meshed with the track rack, and the sun gear is all meshed with the planet gears; the lower extreme of power shaft is provided with the transmission section, the transmission section is located the upper end of mounting hole, the transmission section is close to planetary gear's one side has seted up the transmission chamber, be provided with the connecting rack in the transmission chamber, just the connecting rack with planetary gear meshes mutually.

Through the technical scheme, the sun gear is fixed with the output shaft of the motor, the sun gear is meshed with the plurality of planet gears, the outer sides of the lower ends of the planet gears are meshed with the track rack, the upper ends of the planet gears are meshed with the connecting rack, when the motor drives the sun gear to rotate, the planet gears can be driven to roll along the track rack, meanwhile, the rolling planet gears can drive the connecting rack to rotate, and therefore the rotation of the power shaft is achieved.

Preferably, the mounting seat is detachably connected with a fastening piece, the lower end of the fastening piece is attached to the upper end of the transmission section, a center hole is formed in the fastening piece, and the upper end of the power shaft is rotatably connected in the center hole.

Through above-mentioned technical scheme, the fastener is fixed in on the mount pad, and the lower extreme of fastener compresses tightly in the upper end of transmission section, and the upper end of power shaft rotates to be connected in the centre bore for the power shaft is fixed in the mounting hole relatively, and when the power shaft rotated, the power shaft was difficult to break away from in the mounting hole.

Preferably, a bearing is arranged between the central hole and the power shaft, a limiting ring is arranged at the lower end of the fastener, the lower end face of the limiting ring is abutted against the upper end face of the transmission section, the diameter of the outer side of the limiting ring is A, the diameter of the mounting hole is B, and A is not more than B.

Through the technical scheme, the upper end of the power shaft is rotatably connected in the central hole through the bearing, so that the rotating friction force between the power shaft and the central hole is small, and the power shaft can rotate easily; the transmission section is relatively fixed in the mounting hole through the limiting ring, the diameter of the outer diameter of the limiting ring is larger than or equal to that of the mounting hole, and after the transmission section is pressed into the mounting hole through the limiting ring, the limiting ring can also enter the mounting hole, so that the mounting hole can limit the limiting ring, and when the fastener is fixed with the mounting seat, the limiting ring can better limit the axial direction of the power shaft.

Preferably, the number of teeth of the connecting rack is greater than that of the track rack.

Through above-mentioned technical scheme, there is the tooth number difference between connecting rack and the track rack, when planetary gear rolled along the track rack, planetary gear alright comparatively easy drive connecting rack rotated for the track rack, and then realized the rotation of power shaft.

Preferably, the difference between the number of teeth of the connecting rack and the number of teeth of the track rack is 3.

Through above-mentioned technical scheme, the number of teeth of connecting the rack is 3 with the number of teeth difference of track rack, has further improved the drive ratio of planetary gear to connecting the rack, simultaneously, has improved the stability of this film winder.

Preferably, the fixed frame comprises an upper panel and a lower panel, and the plurality of planetary gears are rotatably connected between the upper panel and the lower panel through pin shafts.

Through above-mentioned technical scheme, a plurality of planetary gears rotate through the round pin axle and connect between top panel and lower panel, realize the installation of speed reduction subassembly, and the speed reduction subassembly is whole, and the speed reduction subassembly of being convenient for is packed into in the mounting hole, or is convenient for take out the change with the speed reduction subassembly from the mounting hole.

Preferably, one end of the motor, which is provided with the output shaft, is provided with a support ring, and the upper end of the support ring is abutted against the lower end face of the lower panel.

Through above-mentioned technical scheme, contact through the support ring between lower panel and the motor for upper panel, lower panel follow planetary gear pivoted in-process, lower panel can not produce the friction with the motor.

Preferably, the end of the motor with the output shaft is provided with a positioning ring, one side of the mounting seat close to the motor is provided with a positioning groove, the positioning groove and the positioning ring are coaxially arranged with the output shaft of the motor, and the positioning groove is matched with the positioning ring.

Through the technical scheme, the positioning ring is coaxial with the output shaft of the motor, when the mounting seat is fixed on the motor, the positioning ring is matched with the positioning groove, so that the track rack in the mounting hole can be accurately fixed, and after the speed reduction assembly is arranged in the mounting hole, the planetary gear can be accurately meshed with the sun gear and the track rack; meanwhile, external water drops or water mist is difficult to enter the mounting hole from the space between the mounting seat and the motor.

Preferably, a centering groove is formed in the transmission cavity, the centering groove and the sun gear are coaxially arranged, a centering column is arranged at one end, far away from the motor, of the sun gear, and the centering column can stretch into and rotate in the centering groove.

Through the technical scheme, after the transmission section is installed in the installation hole, the centering column extends into the centering groove, so that the transmission cavity is prevented from inclining, and the planetary gear can be conveniently meshed with the connecting rack; meanwhile, the concentricity of the power shaft and the motor output shaft during rotation is ensured.

To sum up, the utility model discloses the beneficial effect who contrasts in prior art does:

1. the power shaft can bear large external force and has good stability;

2. the number of parts is small, the assembly and disassembly are convenient, and the operation is stable;

3. the concentricity of the power shaft and the output shaft of the motor is higher.

Drawings

FIG. 1 is a schematic diagram of an exploded structure of an embodiment, mainly used for showing the components of the embodiment;

FIG. 2 is a schematic diagram of a full-section structure of the embodiment, which is mainly used for showing the internal structure of the embodiment;

figure 3 is a schematic diagram of an exploded structure of the speed reducing assembly in the embodiment;

FIG. 4 is a schematic view in full section of the assembled embodiment;

fig. 5 is an external structural view of the embodiment.

Reference numerals: 100. a motor; 110. a sun gear; 111. a centering post; 120. a support ring; 130. a positioning ring; 200. a mounting seat; 210. a fixed part; 211. a reinforcing block; 220. mounting holes; 221. a track rack; 230. positioning a groove; 300. a power shaft; 310. a transmission section; 311. a transmission cavity; 312. connecting the racks; 313. a centering groove; 400. a speed reduction assembly; 410. a fixed mount; 411. an upper panel; 412. a lower panel; 420. a planetary gear; 500. a fastener; 510. a central bore; 511. positioning the shoulder; 520. a limiting ring; 600. a bearing; 610. filling blocks; 700. and (7) a pin shaft.

Detailed Description

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. In addition, the film on the outer surface of the greenhouse is connected with a reel parallel to the ground, and the reel can be connected with the power shaft 300.

The present invention will be described in further detail with reference to the accompanying drawings.

A film rolling device comprises a motor 100, an installation seat 200 and a power shaft 300, wherein the installation seat 200 and the motor 100 are fixed through bolts, the installation seat 200 and an output shaft of the motor 100 are coaxially arranged, a fixing part 210 is arranged on the outer side of the installation seat 200, and a reinforcing block 211 is welded on the outer side of the fixing part 210. The mounting base 200 has a mounting hole 220, the output shafts of the power shaft 300 and the motor 100 are rotatably disposed in the mounting hole 220, the power shaft 300 and the output shaft of the motor 100 are coaxially disposed, and the power shaft 300 and the output shaft of the motor 100 are connected through a speed reduction assembly 400.

The output shaft of the motor 100 is fixedly connected with a sun gear 110 by welding, in order to ensure the concentricity of the rotation of the sun gear 110, the sun gear 110 can be directly connected to a rotor in the motor 100, and a track rack 221 is integrally formed on the hole wall at the lower end of the mounting hole 220; the speed reduction assembly 400 includes a fixed frame 410 and a plurality of planet gears 420, the number of the planet gears 420 is preferably 3, the planet gears 420 are distributed in the fixed frame 410 at intervals in the circumferential direction and are rotatably connected with the fixed frame 410, the plurality of planet gears 420 are all meshed with the orbit rack 221, and the sun gear 110 is all meshed with the plurality of planet gears 420; the lower end of the power shaft 300 is integrally formed with a transmission section 310, the transmission section 310 is located at the upper end of the mounting hole 220, a transmission cavity 311 is formed in one side, close to the planetary gear 420, of the transmission section 310, a connection rack 312 is arranged in the transmission cavity 311, the connection rack 312 is meshed with the planetary gear 420, and the number of teeth of the connection rack 312 is greater than that of the track rack 221. Preferably, the difference between the number of teeth of the connecting rack 312 and the number of teeth of the orbit rack 221 is 3.

The fixed frame 410 includes an upper panel 411 and a lower panel 412, and a plurality of planetary gears 420 are rotatably connected between the upper panel 411 and the lower panel 412 through pins 700.

The mounting base 200 is detachably connected with a fastening member 500 through a bolt, the lower end of the fastening member 500 is abutted against the upper end of the transmission section 310, the fastening member 500 is provided with a central hole 510, and the upper end of the power shaft 300 is rotatably connected in the central hole 510. Preferably, two bearings 600 are coaxially arranged between the central hole 510 and the power shaft 300, a filling block 610 is arranged between the two bearings 600, a positioning stop shoulder 511 is formed in the necking of the lower end of the central hole 510, the positioning stop shoulder 511 is used for axially limiting the bearing 600, a limiting ring 520 is integrally formed at the lower end of the fastener 500, the lower end face of the limiting ring 520 can be abutted against the upper end face of the transmission section 310, the diameter of the outer side of the limiting ring 520 is A, the diameter of the mounting hole 220 is B, and A is not more than B.

One end of the motor 100 having the output shaft is provided with a support ring 120, and the upper end of the support ring 120 abuts against the lower end face of the lower panel 412.

The end of the motor 100 having the output shaft is further provided with a positioning ring 130, the outer diameter of the positioning ring 130 is larger than the outer diameter of the support ring 120, one side of the mounting base 200 close to the motor 100 is provided with a positioning groove 230, the positioning groove 230 and the positioning ring 130 are both coaxially arranged with the output shaft of the motor 100, and the positioning groove 230 is matched with the positioning ring 130.

A centering groove 313 is arranged in the transmission cavity 311, the centering groove 313 is coaxially arranged with the sun gear 110, one end of the sun gear 110, which is far away from the motor 100, is provided with a centering column 111, and the centering column 111 can extend into and rotate in the centering groove 313.

The working principle of the film rolling device is as follows:

the assembly of this film winder: the mounting seat 200 is placed on one side of the motor 100 with an output shaft, so that the positioning ring 130 extends into the positioning groove 230, the speed reducing assembly 400 is integrally installed in the mounting hole 220, the lower panel 412 is attached to the supporting ring 120, and the planetary gear 420 is engaged with the track rack 221 and the sun gear 110; the two bearings 600 are coaxially installed in the central hole 510, the two bearings 600 are separated by the filling block 610, and the upper end of the power shaft 300 passes through the central hole 510, so that the outer side of the transmission section 310 on the power shaft 300 is attached to the limiting ring 520; then, the fastener 500 and the power shaft 300 are installed into the installation hole 220 from the upper side of the installation hole 220, the lower end face of the fastener 500 abuts against the upper end face of the installation seat 200, the centering column 111 extends into the centering groove 313, the planet gear 420 is meshed with the connecting rack 312, the fastener 500, the installation seat 200 and the motor 100 are fixed into a whole through bolts, and the film winder is assembled.

The reel that will link to each other with the canopy membrane is connected to power shaft 300 on, drives speed reduction assembly 400 through sun gear 110 after this film reeling device circular telegram and rotates along track rack 221, because the tooth number difference between track rack 221 and the connecting rack 312 is 3, pivoted speed reduction assembly 400 then can drive connecting rack 312 and rotate, and pivoted planetary gear 420 can drive power shaft 300 and rotate promptly to accomplish this film reeling device and drive the pivoted purpose of reel.

The film rolling device is less in internal structure, the power shaft 300, the mounting seat 200 and the motor 100 are coaxially arranged, and the power of the motor 100 is directly transmitted to the power shaft 300 through the speed reducing assembly 400, so that the purpose of good stability is achieved.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.

Claims

1. A film rolling device is characterized in that: including motor (100), mount pad (200) and power shaft (300), mount pad (200) with motor (100) are fixed mutually, just mount pad (200) with the coaxial setting of output shaft of motor (100), the outside of mount pad (200) is provided with fixed part (210), mount pad (200) have mounting hole (220), the output shaft of power shaft (300), motor (100) all rotate set up in mounting hole (220), just power shaft (300) with the coaxial setting of output shaft of motor (100), power shaft (300) with be connected through speed reduction unit (400) between the output shaft of motor (100).

2. The film winder of claim 1, wherein: the output shaft of the motor (100) is fixedly connected with a sun gear (110), and a track rack (221) is arranged on the hole wall at the lower end of the mounting hole (220); the speed reducing assembly (400) comprises a fixed frame (410) and a plurality of planetary gears (420), the planetary gears (420) are distributed in the fixed frame (410) at intervals in the circumferential direction and are rotatably connected with the fixed frame (410), the planetary gears (420) are all meshed with the track rack (221), and the sun gear (110) is all meshed with the planetary gears (420); the lower extreme of power shaft (300) is provided with transmission section (310), transmission section (310) are located the upper end of mounting hole (220), transmission chamber (311) have been seted up to one side that transmission section (310) are close to planetary gear (420), be provided with in transmission chamber (311) and connect rack (312), just connect rack (312) with planetary gear (420) mesh mutually.

3. The film winder of claim 2, wherein: the mounting base (200) is detachably connected with a fastening piece (500), the lower end of the fastening piece (500) is attached to the upper end of the transmission section (310), a center hole (510) is formed in the fastening piece (500), and the upper end of the power shaft (300) is rotatably connected into the center hole (510).

4. The film winder of claim 3, wherein: a bearing (600) is arranged between the central hole (510) and the power shaft (300), a limiting ring (520) is arranged at the lower end of the fastening piece (500), the lower end face of the limiting ring (520) is abutted against the upper end face of the transmission section (310), the diameter of the outer side of the limiting ring (520) is A, the diameter of the mounting hole (220) is B, and A is not more than B.

5. The film winder of claim 4, wherein: the number of teeth of the connecting rack (312) is more than that of the track rack (221).

6. The film winder of claim 5, wherein: the difference between the number of teeth of the connecting rack (312) and the number of teeth of the track rack (221) is 3.

7. The film winder according to claim 4 or 6, wherein: the fixed frame (410) comprises an upper panel (411) and a lower panel (412), and a plurality of planetary gears (420) are rotatably connected between the upper panel (411) and the lower panel (412) through pins (700).

8. The film winder of claim 7, wherein: one end of the motor (100) with the output shaft is provided with a support ring (120), and the upper end of the support ring (120) is abutted against the lower end face of the lower panel (412).

9. The film winder of claim 7, wherein: one end, provided with an output shaft, of the motor (100) is provided with a positioning ring (130), one side, close to the motor (100), of the mounting seat (200) is provided with a positioning groove (230), the positioning groove (230) and the positioning ring (130) are coaxially arranged with the output shaft of the motor (100), and the positioning groove (230) is matched with the positioning ring (130).

10. The film winder of claim 7, wherein: be provided with centering groove (313) in transmission chamber (311), centering groove (313) with sun gear (110) coaxial arrangement, sun gear (110) are kept away from the one end of motor (100) has centering post (111), centering post (111) can stretch into and rotate in centering groove (313).