CN202707561U - Swinging limit device for fan motor of plant frost preventing machine - Google Patents
Swinging limit device for fan motor of plant frost preventing machine Download PDFInfo
- Publication number
- CN202707561U CN202707561U CN 201220366109 CN201220366109U CN202707561U CN 202707561 U CN202707561 U CN 202707561U CN 201220366109 CN201220366109 CN 201220366109 CN 201220366109 U CN201220366109 U CN 201220366109U CN 202707561 U CN202707561 U CN 202707561U
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- fan electromotor
- fan
- supporting base
- pitching
- fan motor
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Abstract
The utility model discloses a swinging limit device for a fan motor of a plant frost preventing machine, comprising a rack enclosure, the fan motor, fan blades, pitching mechanism and a swinging limit mechanism of the fan motor, wherein the fan motor is arranged at one end of the rack enclosure through the pitching mechanism, the swinging limit mechanism is arranged between a pitching support base and the rack enclosure, the swinging limit mechanism comprises a positioning plate fixedly arranged at the lower side of the pitching support base and a limit rod vertically fixed at the front end of the rack enclosure, the positioning plate is dovetail-shaped, the two ends of the positioning plate respectively extend to form positioning claws bent downwards, and when the pitching support base rotates to the limiting position at one end together with the fan motor, the corresponding positioning claw leans against the corresponding side of the upper end of the limit rod. The swinging limit device is simple structure and has a good limit effect. The accident that connecting conductors of the fan motor are excessively rotated to be wound or even pulled apart is avoided, the accident of damaging a fan swinging mechanism is also avoided, and the plant frost preventing machine is ensured to operate reliably for long time.
Description
Technical field
The utility model relates to a kind of employing physical perturbation method regulating plant on every side local temperature, humidity environment; prevent that plant is subjected to the equipment of frost damages; be particularly related to a kind of protective plant frost preventing machine and avoid the device that high wind blows damage, belong to the graden machine equipment technical field.
Background technique
Frost prevention machine for plant adopts the fan of certain altitude is overhead delivered wind-force towards ground the Physical Interference method that is arranged on, mix the upper and lower layers air in the microhabitat, regulate local temperature, improve the particularly temperature of plant crown of surface layer air, soil or plant ambient temperature on every side, reach the purpose that the defence crops are subjected to the harm of frost or low temperature and promote the fertility of the bud tip.Frost prevention machine for plant is fixed on 6～8 meters high vertical rod upper end, and electric fan is fixed on the output shaft of fan electromotor, and fan electromotor is arranged on fan stand one end by luffing mechanism, is provided with the fan swing mechanism in the fan stand.Before the use, adjust the angle of depression of electric fan, after starting fan electromotor, electric fan is under the driving of fan electromotor and fan swing mechanism, High Rotation Speed limit, limit swings the earthward sector region delivery wind-force of top, many frost prevention machine for plants are arranged in the zone of certain plant growth with becoming matrix, and the wind-force edge that each frost prevention machine for plant is delivered is superimposed with each other and covers whole zone, reach the purpose of the temperature expeling frost of regulating surface layer.
Under the driving of fan swing mechanism, the fan electromotor of frost prevention machine for plant can only swing in the several angle scope and deliver wind-force downwards.When frost prevention machine for plant is being stopped using when being subject to high wind under the state and attacking, because the blowing area of electric fan is larger, be applied on the electric fan under the deflecting torque effect of generation to fan electromotor back shaft shaft axis at high wind, fan electromotor can be around its back shaft shaft axis rotation, cause the excessively each other winding of rotation of connection wire of fan electromotor, until pull apart the connection wire; Also make the connecting rod swing angle of fan swing mechanism surpass allowed band and damage, cause the fan swing mechanism to lose efficacy.
Summary of the invention
The purpose of this utility model provides a kind of fan electromotor that prevents and excessively rotates around its back shaft shaft axis, and the protection fan electromotor is avoided the fan electromotor swing position limiter that high wind blows damage.
The utility model is achieved by the following technical programs:
A kind of frost prevention machine for plant fan electromotor swing position limiter, comprise stand housing, fan electromotor, electric fan and luffing mechanism, electric fan is fixed on the fan electromotor output shaft, fan electromotor is arranged on stand housing one end by luffing mechanism, described luffing mechanism comprises fan electromotor base, pitching supporting base, the fan electromotor base tiltably is connected with the pitching supporting base, and the pitching supporting base is vertical hinged with the stand housing; Also comprise the position-limit mechanism that the pitching supporting base swings around its axis of support, described position-limit mechanism is arranged between pitching supporting base and the stand housing, comprise the positioning plate that is fixed on pitching supporting base downside, the position-limited lever that is vertically fixed on stand housing front end, described positioning plate is swallow-tail form, the positioning pawl of downward bending is extended respectively at the positioning plate two ends, when the pitching supporting base turned to the limit position of an end with fan electromotor, corresponding positioning pawl was resisted against on a side corresponding to position-limited lever upper end.
The purpose of this utility model can also further realize by following technical measures.
Aforesaid frost prevention machine for plant fan electromotor swing position limiter, wherein said position-limited lever upper end is provided with annular groove, and described annular groove is higher than stand housing upper side, and the annular groove position is corresponding with the positioning pawl position; When the pitching supporting base swung to the limit position of a fan-shaped end with fan electromotor, positioning pawl was resisted against on a side corresponding to position-limited lever upper end annular groove.
Aforesaid frost prevention machine for plant fan electromotor swing position limiter, wherein take stand housing vertical center line as reference line, the angle of oscillation α scope of pitching supporting base longitudinal center wire-wound reference line is ± 65～70 °.
The utility model is simple in structure, the good limit effect that fan electromotor swings.When frost prevention machine for plant electric fan under stopping using state is subject to high wind and blows, fan electromotor rotates around its back shaft shaft axis, the positioning plate positioning pawl of direction at a disadvantage is resisted against on annular groove one side of position-limited lever upper end, the rotation of fan electromotor is subject to spacing, the pitching supporting base stops operating, avoided the excessively each other winding of rotation of connection wire of fan electromotor, until pull apart the generation of the accident that connects wire; The connecting rod rotation angle of also having avoided the fan swing mechanism surpasses allowed band and the generation of the accident damaged.
Advantage and disadvantage of the present utility model will be for illustration and explanation by the non-limitative illustration of following preferred embodiment, and these embodiments only provide as an example with reference to accompanying drawing.
Description of drawings
Fig. 1 is plan view of the present utility model;
Fig. 2 is the amplification stereogram after the utility model removes fan electromotor and fan electromotor seat.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
Such as Fig. 1, shown in Figure 2, the utility model comprises stand housing 1, fan electromotor 2, electric fan 3, luffing mechanism 4 and position-limit mechanism 5, diameter reaches 1 meter electric fan 3 and is fixed on the output shaft of fan electromotor 2, fan electromotor 2 is arranged on stand housing 1 one ends by luffing mechanism 4, luffing mechanism 4 comprises fan electromotor base 41, pitching supporting base 42, fan electromotor base 41 and pitching supporting base 42 are the bathtub construction that sheet metal is bent into, fan electromotor base 41 relatively is connected with pitching supporting base 42 notches, fan electromotor base 41 adjustable inclined angles, in order to regulate the angle on electric fan 3 and ground, reach and regulate the purpose that wind-force is delivered distance, pitching supporting base 42 is vertical hinged by the hinged seat 6 that links to each other with swing mechanism with stand housing 1.Position-limit mechanism 5 is arranged between pitching supporting base 42 and the stand housing 1, comprises that the positioning plate 51, the vertical welding that are fixed on pitching supporting base 42 downsides are fixed on the position-limited lever 52 of stand housing 1 front end.Positioning plate 51 is swallow-tail form, and the positioning pawl 511 of downward bending is extended respectively at its two ends, and position-limited lever 52 upper ends are provided with annular groove 521, and annular groove 521 is higher than stand housing 1 upper side, and annular groove 521 positions are corresponding with positioning pawl 511 positions.When high wind blew, pitching supporting base 42 turned to the limit position of an end with fan electromotor 2, and positioning pawl 511 is resisted against on the side of annular groove 521 correspondences of position-limited lever 52.When the high wind change of the wind, pitching supporting base 42 rotates round about with fan electromotor 2, until another positioning pawl 511 is resisted against on the opposite side of annular groove 521 correspondences of position-limited lever 52.Take the vertical center line A-A of stand housing 1 as reference line, pitching supporting base 42 vertical center line E-E are ± 65～70 ° around the scope of reference line angle of oscillation α.Thereby each other winding is excessively twined in the connection wire rotation of avoiding fan electromotor 2 occurs, until pull apart the generation of the accident that connects wire.The connecting rod rotation angle of also having avoided the fan swing mechanism surpasses allowed band and the accident damaged occurs.Guarantee frost prevention machine for plant can be for a long time, work reliably.
In addition to the implementation, the utility model can also have other mode of executions, and all employings are equal to the technological scheme of replacement or equivalent transformation form, all drop in the protection domain of the utility model requirement.
Claims (3)
1. frost prevention machine for plant fan electromotor swing position limiter, comprise stand housing, fan electromotor, electric fan and luffing mechanism, electric fan is fixed on the fan electromotor output shaft, fan electromotor is arranged on stand housing one end by luffing mechanism, described luffing mechanism comprises fan electromotor base, pitching supporting base, the fan electromotor base tiltably is connected with the pitching supporting base, and the pitching supporting base is vertical hinged with the stand housing; It is characterized in that, also comprise the position-limit mechanism that the pitching supporting base swings around its axis of support, described position-limit mechanism is arranged between pitching supporting base and the stand housing, comprise the positioning plate that is fixed on pitching supporting base downside, the position-limited lever that is vertically fixed on stand housing front end, described positioning plate is swallow-tail form, the positioning pawl of downward bending is extended respectively at the positioning plate two ends, when the pitching supporting base turned to the limit position of an end with fan electromotor, corresponding positioning pawl was resisted against on a side corresponding to position-limited lever upper end.
2. frost prevention machine for plant fan electromotor swing position limiter according to claim 1 is characterized in that, described position-limited lever upper end is provided with annular groove, and described annular groove is higher than stand housing upper side, and the annular groove position is corresponding with the positioning pawl position; When the pitching supporting base swung to the limit position of a fan-shaped end with fan electromotor, positioning pawl was resisted against on a side corresponding to position-limited lever upper end annular groove.
3. frost prevention machine for plant fan electromotor swing position limiter according to claim 1 is characterized in that, take stand housing vertical center line as reference line, the angle of oscillation α scope of pitching supporting base longitudinal center wire-wound reference line is ± 65～70 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220366109 CN202707561U (en) | 2012-07-27 | 2012-07-27 | Swinging limit device for fan motor of plant frost preventing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220366109 CN202707561U (en) | 2012-07-27 | 2012-07-27 | Swinging limit device for fan motor of plant frost preventing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202707561U true CN202707561U (en) | 2013-01-30 |
Family
ID=47587868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220366109 Expired - Fee Related CN202707561U (en) | 2012-07-27 | 2012-07-27 | Swinging limit device for fan motor of plant frost preventing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202707561U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103392540A (en) * | 2013-07-10 | 2013-11-20 | 江苏大学 | Method and device for mechanization plant frost prevention |
| CN106069415A (en) * | 2016-05-31 | 2016-11-09 | 江苏大学 | A kind of agricultural frost prevention group of planes method for arranging |
| CN106069412A (en) * | 2016-05-31 | 2016-11-09 | 江苏大学 | A kind of method of the frost prevention active area determining agricultural frost preventing machine |
| JP2018178961A (en) * | 2017-04-20 | 2018-11-15 | フルタ電機株式会社 | Safety device against impact on frost control fan |
-
2012
- 2012-07-27 CN CN 201220366109 patent/CN202707561U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103392540A (en) * | 2013-07-10 | 2013-11-20 | 江苏大学 | Method and device for mechanization plant frost prevention |
| CN106069415A (en) * | 2016-05-31 | 2016-11-09 | 江苏大学 | A kind of agricultural frost prevention group of planes method for arranging |
| CN106069412A (en) * | 2016-05-31 | 2016-11-09 | 江苏大学 | A kind of method of the frost prevention active area determining agricultural frost preventing machine |
| CN106069412B (en) * | 2016-05-31 | 2019-04-23 | 江苏大学 | A method of determining the frost prevention active area of agricultural frost preventing machine |
| JP2018178961A (en) * | 2017-04-20 | 2018-11-15 | フルタ電機株式会社 | Safety device against impact on frost control fan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20160727 |
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| CF01 | Termination of patent right due to non-payment of annual fee |