CN107173120B

CN107173120B - Automatic fan that puts of integral type

Info

Publication number: CN107173120B
Application number: CN201710301066.8A
Authority: CN
Inventors: 张勇
Original assignee: Haixin Huaxia Beijing Technology Co ltd
Current assignee: HAIXIN HUAXIA (BEIJING) TECHNOLOGY Co.,Ltd.
Priority date: 2017-03-18
Filing date: 2017-03-18
Publication date: 2021-02-09
Anticipated expiration: 2037-03-18
Also published as: CN107173120A; CN206909275U

Abstract

The invention belongs to the technical field of greenhouse windproof equipment, and particularly relates to an integrated automatic air release machine. The device comprises a rack, wherein a reduction gearbox is arranged in the rack, a motor is arranged on one side of the reduction gearbox, and a motor gear is arranged on a motor shaft of the motor; a rotating shaft is rotatably arranged in the reduction gearbox, a rotating driving gear and a rotating driven gear are arranged on the rotating shaft, a motor gear is meshed with the rotating driven gear, and the rotating driving gear is connected with an output shaft through a planetary gear set; a transition gear is arranged in the reduction gearbox, and a driving wheel of the transition gear is meshed with a driven gear in a rotating manner; the reduction gearbox is rotatably provided with a manual shaft, a manual gear is sleeved at the inner end of the manual shaft, and the manual gear can be meshed with a driven wheel of the transition gear through a manual adjusting device. The invention provides a speed reducing mechanism of a manual and electric dual-purpose exhaust fan, which has simple structure and convenient operation, can perform exhaust operation when power is off, and provides guarantee for economic income of farmers.

Description

Automatic fan that puts of integral type

Technical Field

The invention belongs to the technical field of greenhouse windproof equipment, and particularly relates to an integrated automatic air release machine.

Background

The greenhouse vegetable cultivation becomes a way for farmers to become rich due to diligence in China, and contributes to enriching the vegetable baskets of people while improving the income of the farmers. At present, the management of ordinary rural greenhouses is changed a little, and the temperature and humidity adjusting mode of the greenhouses is gradually changed from manual work to automation. Wherein warmhouse booth's fan of letting out has solved the waste of time and energy of manual regulation greenhouse window of letting out to a certain extent, the temperature control effect is poor, need someone scheduling problem on duty, but current greenhouse fan drive arrangement that lets out is mainly to be connected the output shaft of motor directly with the transfer line of window of letting out, the rotation through the motor realizes opening of window of letting out, close, each inter-equipment association degree is high, and there is transmission vibration big, the pitch of noise, the scheduling problem of inefficiency, and in case take place to have a power failure, special circumstances such as motor trouble appear, hardly in time carry out emergent manual operation of letting out wind to the greenhouse, even cause whole canopy crop to stop the income because of the high temperature in the big-arch shelter, great influence peasant's economic income.

Disclosure of Invention

The invention aims to provide a manual and electric dual-purpose exhaust fan which is simple in structure, convenient to operate and capable of performing exhaust operation during power failure, and guaranteeing the economic income of farmers.

The purpose of the invention is realized as follows:

an integrated automatic air release machine comprises a rack, wherein a reduction gearbox is arranged in the rack, a motor is arranged on one side of the reduction gearbox, and a motor gear is arranged on a motor shaft of the motor; a rotating shaft is rotatably arranged in the reduction gearbox, a rotating driving gear and a rotating driven gear are arranged on the rotating shaft, a motor gear is meshed with the rotating driven gear, and the rotating driving gear is connected with an output shaft through a planetary gear set;

a transition gear is arranged in the reduction gearbox, and a driving wheel of the transition gear is meshed with a driven gear in a rotating manner; the reduction gearbox is rotatably provided with a manual shaft, the inner end of the manual shaft is provided with a manual gear, and the manual gear can be meshed with a driven wheel of the transition gear through a manual adjusting device.

Preferably, the manual adjusting device comprises a return spring sleeved on the manual shaft, the manual gear is fixedly arranged on the manual shaft, and the manual shaft can axially move against the acting force of the return spring and is meshed with the driven wheel of the transition gear.

Preferably, the inner end portion of the manual shaft is provided with a protection switch, and the motor is powered off when the inner end portion of the manual shaft contacts the protection switch.

Preferably, the planetary gear set comprises a plurality of planetary gears and a planet carrier for mounting the planetary gears, a fixed gear ring and a movable gear ring are arranged on the periphery of the planetary gears, the fixed gear ring is mounted on the reduction gearbox, and the movable gear ring drives the output shaft to rotate.

Preferably, the movable gear ring is integrally formed at the end of the output shaft, a mounting hole is formed in the movable gear ring, more than one limiting groove is formed in the side wall of the mounting hole, a protective sleeve is arranged in the mounting hole, and the protective sleeve is sleeved at the end of the rotating shaft.

Preferably, a chain wheel is mounted at the outer end part of the output shaft, and the chain wheel rotates through a chain; a guide wheel is arranged in the middle of the chain; and micro switches are arranged on two sides of the chain.

Preferably, a position control device is arranged on the rack and comprises more than one limiting gear, and the limiting gear is connected with the output shaft through a metering transmission chain; the periphery of the limit gear is provided with a rotary bulge in an extending way; and a stroke controller is arranged on one side of the limiting gear, and the stroke controller detects and controls the rotation of the motor through the rotating protrusion.

Preferably, the metering transmission chain comprises an input gear sleeved on the output shaft, the input gear is meshed with a driven wheel of the primary gear, a driving wheel of the primary gear is meshed with a driven wheel of the secondary gear, and the driving wheel of the secondary gear is meshed with the limit gear.

Preferably, the position control device further comprises a measuring gear, and the measuring gear is meshed with the limit gear through a three-stage gear; the magnet is installed on the measuring gear, and a Hall element is arranged on one side of the measuring gear.

Preferably, a temperature sensor and a display are arranged on the frame, and the temperature sensor is electrically connected with the display.

Compared with the prior art, the invention has the outstanding and beneficial technical effects that:

the invention has simple structure and convenient operation, can perform the air release operation when power is off, better controls the temperature and the humidity in the greenhouse and ensures that the economic income of farmers is guaranteed.

According to the invention, the separation of the manual gear and the transition gear is realized through the return spring, the engagement of the manual gear and the transition gear is realized through the pushing of the manual shaft, the operation is simple, and the energy-saving effect is good. When the manual gear is engaged, the protection switch is turned on, the power supply of the motor is cut off, and the safety of an operator can be ensured.

The invention reduces speed through the planetary gear set, has the advantages of small volume, high transmission efficiency, large output torque, high transmission precision and the like, and can effectively control the opening and closing of the air release window.

The rotating shaft is connected with the output shaft through the protective sleeve, so that the transmission structure is more stable and reliable, the transmission vibration can be reduced, and the transmission accuracy is improved.

The invention can effectively control the opening and closing positions of the air release window through the limit gear and the stroke controller. The invention can accurately measure the opening and closing size of the air release window through the Hall element, and has small error.

Drawings

Fig. 1 is a schematic view of the mounting structure of the present invention.

Fig. 2 is a schematic structural view of the speed reducing mechanism of the present invention.

Fig. 3 is a schematic view of the transmission structure of the speed reducing mechanism of the present invention.

Fig. 4 is a sectional view of the speed reducing mechanism of the present invention.

Fig. 5 is a schematic structural view of the output shaft and the movable ring gear in an integrated manner according to the present invention.

Fig. 6 is an exploded view of the present invention.

Fig. 7 is an exploded view of the speed reducing mechanism of the present invention.

FIG. 8 is a schematic view of the position control device and the sprocket mechanism according to the present invention.

Fig. 9 is a schematic view of a transmission structure of the position control device of the present invention.

In the figure: 1-a frame; 2-a reduction gearbox; 3, a motor; 4-motor shaft; 5-motor gear; 6-rotating the driving gear; 7-rotating the driven gear; 8-an output shaft; 9-a transition gear; 11-a manual shaft; 12-a manual gear; 13-a return spring; 14-a protection switch; 15-a planetary gear; 16-a planet carrier; 17-fixing the gear ring; 18-a movable gear ring; 19-mounting holes; 20-a limiting groove; 21-protective sleeve; 22-a sprocket; 23-a chain; 24-a guide wheel; 25-a microswitch; 26-a stroke controller; 27-rotating the projection; 28-measuring gear; 29-a magnet; 30-a hall element; 31-a limit gear; 32-a rotating shaft; 33-limiting rollers; 34-a transformer; 35-input gear; 36-primary gear; 37-a secondary gear; 38-three stage gear; 40-a display; 41-a switch; 42-a temperature sensor; 51-a support frame; 52-a fixation bar; 53-mounting bar; 55-acrylic sheet; 56-drive bearings; 57-manual bearings; 58-guide bolt.

Detailed Description

The invention will be further described in the following with reference to specific embodiments thereof, with reference to the accompanying drawings, in which figures 1 to 9:

an integrated automatic air release machine comprises a machine frame 1, wherein the machine frame 1 comprises a base, a front shell and a rear shell. A reduction gearbox 2 is arranged between a base and a rear shell of the rack 1, and the reduction gearbox 2 comprises a front cover, a rear cover and a front end cover. And a motor 3 and a transformer are arranged on the outer side of the rear cover of the reduction gearbox 2, and the transformer supplies power to the circuit board, the motor and the like. A motor gear 4 is arranged on a motor shaft 4 of the motor 3; the reduction gearbox 2 is rotatably provided with a rotating shaft 32, the rotating shaft 32 is provided with a rotating driving gear 6 and a rotating driven gear 7, the rotating driving gear 6 and the rotating shaft 32 are integrally arranged, and the end part of the rotating shaft 32 is provided with a rotating bearing 56. The motor gear 5 is meshed with the driven gear 7, and the rotating driving gear 6 is connected with an output shaft 8 through a planetary gear set. The diameter of the reference circle of the rotary driving gear 6 is larger than that of the reference circle of the rotary driven gear 7, and a speed reduction effect is achieved. The invention has simple structure and convenient operation, can perform the air release operation when power is off, better controls the temperature and the humidity in the greenhouse and ensures that the economic income of farmers is guaranteed.

A transition gear 9 is rotatably arranged on the front cover and the rear cover of the reduction gearbox 2 through transition bearings respectively, and a driving wheel of the transition gear 9 is meshed with the driven gear 7; the front cover and the rear cover of the reduction gearbox 2 are respectively provided with a manual shaft 11 through a manual bearing 57 in a rotating way, the inner end of the manual shaft 11 is integrally provided with a manual gear 12, and the manual gear 12 can be meshed with a driven wheel of the transition gear 9 through a manual adjusting device. The reference circle diameters of the driven wheel of the transition gear 9 are smaller than those of the driving wheel of the transition gear 9 and the reference circle diameter of the manual gear 12, so that the manual efficiency is improved.

Preferably, the manual adjusting device comprises a return spring 13 sleeved on the manual shaft 11, one end of the return spring 13 abuts against the manual bearing 57, and the other end abuts against the manual gear 12. The manual gear 12 is fixedly arranged on the manual shaft 11, a hand wheel installation position is arranged at the outer end part of the manual shaft 11, and a hand wheel is detachably installed on the hand wheel installation position. The separation of the manual gear and the transition gear is realized through the return spring, so that the friction can be reduced and the energy can be saved when the motor is driven; the manual gear and the transition gear are meshed through pushing and pressing of the manual shaft, operation is simple, and work efficiency is high.

Preferably, the inner end of the manual shaft 11 is provided with a protection switch 14, when the hand wheel is pressed inward, the inner end of the manual shaft 11 extends out of the inner hole of the manual bearing 57 and contacts an induction button of the protection switch 14, the protection switch 14 works and cuts off the power supply of the motor 3, sudden power on and motor operation injury to an operator during manual operation are prevented, and the safety performance of the equipment is greatly improved.

Preferably, the planetary gear set comprises a plurality of planetary gears 15 and a planet carrier 16 for mounting the planetary gears 15, a fixed gear ring 17 and a movable gear ring 18 are arranged on the periphery of the planetary gears 15, the outer edge of the fixed gear ring 17 is arranged in a quincunx shape, a front cover of the reduction gearbox 2 is also provided with a mounting groove with a corresponding shape, and the fixed gear ring 17 is mounted in the mounting groove. The movable gear ring 18 drives the output shaft 8 to rotate. The planetary gear set is arranged on the front cover through the front end cover of the reduction box 2.

The planetary gear speed reduction has the advantages of 1, small structural size and light volume; 2. the transmission ratio range is large, and the deceleration range is wide; 3. the transmission efficiency is high, and the general efficiency is over 95 percent; 4. the processing technology of the internal gear of the planetary reducer is more perfect, the precision is very high, and the internal structure is very compact, so the impact resistance is very strong; 5. the output torque is high; 6. the operation is smoother, the noise is generally below 65 decibels in use, and the noise is low.

Preferably, the movable gear ring 18 is integrally formed at the end of the output shaft 8, a mounting hole 19 is formed in the movable gear ring 18, more than one limiting groove 20 is formed in the side wall of the mounting hole 19, a protective sleeve 21 is arranged in the mounting hole 19, an outward flange and a rotating shaft mounting hole are arranged at the outer end of the protective sleeve 21, and the protective sleeve 21 is sleeved at the end of the rotating shaft 32. The inner end part of the protective sleeve 21 is provided with a first through hole, the rotating shaft 32 is also axially provided with a second through hole, and the first through hole and the second through hole are used for entering lubricating oil, so that better work of parts is facilitated, and the service life is ensured.

Preferably, a chain wheel 22 is mounted at the outer end part of the output shaft 8 through a fixed pin, and the chain wheel 22 rotates through a chain 23; and a guide wheel 24 is arranged in the middle of the chain 23, and the guide wheel 24 is provided with a chain rolling groove for mounting the chain 23. The two sides of the chain 23 are provided with a microswitch 25 and a limit roller 33, and the axis of the limit roller 33 and the axis of the guide wheel 24 are arranged in the same plane and used for tensioning the chain 23 and limiting the position of the chain 23. The chain mounting device is provided with two groups of limiting idler wheels 33 and guide wheels 24 which are symmetrically distributed on two sides of the chain wheel 22, and two ends of the front shell are provided with corresponding chain mounting holes, so that chains 23 in left and right different directions can be conveniently mounted according to mounting positions. Or, the outer end part of the output shaft 8 of the invention can be provided with a synchronous wheel and a synchronous belt for transmission.

The outer end of the chain 23 is provided with a limiting part, the limiting part comprises a guide bolt 58 and a nut, the chain 23 moves in a groove formed between the guide bolt 58 and the nut, and the structure enables the chain 23 to transmit stably and is beneficial to reducing vibration.

Preferably, a position control device is arranged on a base of the rack 1, the position control device comprises more than one limit gear 31, and the limit gear 31 is connected with the output shaft 8 through a metering transmission chain; the periphery of the limit gear 31 is extended with a rotary bulge 27; the stroke controller 26 is arranged on one side of the limit gear 31, the rotating protrusion 27 contacts with a signal receiving device of the stroke controller 26 when the limit gear 31 rotates for one circle, and the stroke controller 26 detects and controls the rotation of the motor 3 through the rotating protrusion 27. The invention is provided with two limit gears 31 and two stroke controllers 26, and can effectively control the forward rotation limit position and the reverse rotation limit position of the equipment rotation according to the size of the greenhouse air release window.

And the frame 1 is provided with two switches for controlling the motor to rotate forwards and backwards and is used for controlling the opening and closing of the air release window.

Preferably, the metering transmission chain comprises an input gear 35 sleeved on the output shaft 8, the input gear 35 is installed between the front end cover and the rotating bearing 56, the input gear 35 is meshed with a driven gear of the primary gear 36, a driving gear of the primary gear 36 is meshed with a driven gear of the secondary gear 37, and a driving gear of the secondary gear 36 is meshed with the limiting gear 31. The primary gear 36 and the secondary gear 37 are reduction gears.

Preferably, the position control device further comprises a measuring gear 28, and the measuring gear 28 is fixedly connected with the limit gear 31 through a tertiary gear 36; the measuring gear 28 is provided with a magnet 29, and one side of the measuring gear 28 is provided with a Hall element 30. The position of the magnet 29 is changed by the rotation of the measuring gear 28, the Hall element 30 can generate different voltages according to the changed magnetic field, and the opening and closing size of the greenhouse ventilation window can be accurately measured according to the voltage value. The structure can accurately control the opening and closing size of the greenhouse ventilation window, ensure the parameters of temperature, humidity and the like in the greenhouse, ensure the normal growth of agricultural products,

preferably, a temperature sensor 42 and a display 40 are arranged on the rack 1, the temperature sensor 42 is electrically connected with the display 40, and a graduated acrylic plate 65 is arranged on the front end face of the display 40. The temperature sensor 42 is provided with a lighting lamp, so that the equipment can be operated at night conveniently. An aviation plug and a main power supply are arranged on the rear shell of the rack 1, a circuit board is arranged in the rack 1, and elements such as a motor 3, a transformer 34 and a switch 41 are connected to the circuit board.

The ventilator can be freely installed at any place of the greenhouse through the support frame 51, the support frame 51 is fixed in the greenhouse, a plurality of mounting strips 53 are fixed on the support frame 51 through mounting bolts and nuts, the mounting strips 53 are respectively fixed on one side of the upper end and one side of the lower end of the rack 1, the other sides of the upper end and the lower end of the rack 1 are respectively fixedly provided with a fixing strip 52, and the other ends of the fixing strips 52 are fixed on the mounting strips 53 to form a triangular stable structure. A steel wire rope device is arranged in the support frame 51, one end of the steel wire rope device is connected with the chain, and the other end of the steel wire rope device drives the air release window to open and close.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides an automatic machine that leaks of integral type, includes frame (1), sets up reducing gear box (2) in frame (1), its characterized in that: a motor (3) is arranged on one side of the reduction gearbox (2), and a motor gear (5) is arranged on a motor shaft (4) of the motor (3); a rotating shaft (32) is rotatably arranged in the reduction gearbox (2), a rotating driving gear (6) and a rotating driven gear (7) are arranged on the rotating shaft (32), the motor gear (5) is meshed with the rotating driven gear (7), and the rotating driving gear (6) is connected with an output shaft (8) through a planetary gear set;

a transition gear (9) is arranged in the reduction gearbox (2), and a driving wheel of the transition gear (9) is meshed with a driven gear (7) to rotate; the reduction gearbox (2) is rotatably provided with a manual shaft (11), the inner end of the manual shaft (11) is provided with a manual gear (12), and the manual gear (12) can be meshed with a driven wheel of the transition gear (9) through a manual adjusting device;

the manual adjusting device comprises a return spring (13) sleeved on a manual shaft (11), the manual gear (12) is fixedly arranged on the manual shaft (11), the manual shaft (11) can overcome the acting force of the return spring (13) to axially move, and the manual gear (12) is meshed with a driven wheel of the transition gear (9);

a position control device is arranged on the rack (1), the position control device comprises more than one limiting gear (31), and the limiting gear (31) is connected with the output shaft (8) through a metering transmission chain; a rotary bulge (27) extends from the periphery of the limit gear (31); a stroke controller (26) is arranged on one side of the limiting gear (31), and the stroke controller (26) detects and controls the rotation of the motor (3) through the rotating protrusion (27);

the metering transmission chain comprises an input gear (35) sleeved on the output shaft (8), the input gear (35) is meshed with a driven wheel of a primary gear (36), a driving wheel of the primary gear (36) is meshed with a driven wheel of a secondary gear (37), and the driving wheel of the secondary gear (36) is meshed with the limiting gear (31).

2. The integrated automatic air release machine according to claim 1, characterized in that: the inner end part of the manual shaft (11) is provided with a protection switch (14), and when the inner end part of the manual shaft (11) contacts the protection switch (14), the motor (3) is powered off.

3. The integrated automatic air release machine according to claim 1 or 2, characterized in that: the planetary gear set comprises a plurality of planetary gears (15) and a planet carrier (16) provided with the planetary gears (15), a fixed gear ring (17) and a movable gear ring (18) are arranged on the periphery of each planetary gear (15), the fixed gear ring (17) is installed on the reduction gearbox (2), and the movable gear ring (18) drives the output shaft (8) to rotate.

4. The automatic machine that discharges of integral type of claim 3, characterized in that: the utility model discloses an output shaft, including output shaft (8), movable ring gear (18), mounting hole (19) have been seted up in movable ring gear (18), more than one spacing groove (20) have been seted up on the lateral wall of mounting hole (19), be provided with protective sheath (21) in mounting hole (19), protective sheath (21) suit is at the tip of axis of rotation (32).

5. The integrated automatic air release machine according to claim 1, characterized in that: a chain wheel (22) is mounted at the outer end of the output shaft (8), and the chain wheel (22) rotates through a chain (23); a guide wheel (24) is arranged in the middle of the chain (23); and micro switches (25) are arranged on two sides of the chain (23).

6. The integrated automatic air release machine according to claim 1, characterized in that: the position control device also comprises a measuring gear (28), and the measuring gear (28) is connected with the limit gear (31) through a three-stage gear (36); and a magnet (29) is installed on the measuring gear (28), and a Hall element (30) is arranged on one side of the measuring gear (28).

7. The integrated automatic air release machine according to claim 1, characterized in that: the temperature sensor (42) and the display (40) are arranged on the rack (1), and the temperature sensor (42) is electrically connected with the display (40).