CN212143112U

CN212143112U - Speed adjustable sprayer

Info

Publication number: CN212143112U
Application number: CN202020371945.5U
Authority: CN
Inventors: 陈光辉
Original assignee: Taizhou Qingfeng Machinery Co ltd
Current assignee: Taizhou Qingfeng Machinery Co ltd
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2020-12-15
Anticipated expiration: 2030-03-23

Abstract

The utility model relates to an adjustable speed atomizer, it includes frame, power spare and water pump are all located in the frame, the power spare is used for output torque, and drives the water pump rotates, the power spare includes the driving shaft, the water pump includes the driven shaft, driving shaft and driven shaft set up side by side, just be equipped with drive mechanism between driving shaft and the driven shaft, drive mechanism includes high-speed gear train, low-speed gear train and adjusting part. The utility model discloses have the adjusting part and be used for selecting to transmit torque through high-speed gear train, or low-speed gear train, and then realize adjusting the drive ratio between driven shaft and the driving shaft to adjust the flow of water pump, in order to satisfy the effect that the liquid medicine in the intensive district of crop, the sparse district of crop sprays the demand.

Description

Speed adjustable sprayer

Technical Field

The utility model belongs to the technical field of agriculture and forestry machinery's technique and specifically relates to an adjustable speed atomizer is related to.

Background

The sprayer is an agricultural and forestry machine commonly used in agriculture and forestry, and is used for pumping and outputting liquid medicine with certain pressure by using a plunger pump, and then the liquid medicine with certain pressure is changed into mist by a spray gun and then is uniformly sprayed onto crops to prevent diseases and insect pests.

The current chinese patent with publication number CN203243854U, it discloses an improved generation gardens atomizer, including the liquid medicine jar, including a motor, an end cap, a controller, and a cover plate, the plunger pump, spray gun and push away the frame, the liquid medicine jar is fixed on pushing away the frame bottom plate, plunger pump and motor are fixed on pushing away the frame, the motor provides power for the plunger pump, the top of liquid medicine jar is equipped with feed inlet and liquid outlet, feed liquor pipe one end is connected with the feed end of plunger pump, the other end stretches into the liquid medicine jar from the liquid outlet at liquid medicine jar top, the end-to-end connection of the feed liquor pipe part that stretches into in the liquid medicine jar has the filter, drain pipe one end is connected with the play liquid end of plunger.

When the spraying gun works, the motor drives the plunger pump to work, liquid medicine in the liquid medicine tank flows into the plunger pump through the liquid inlet pipe, is pressurized by the plunger pump and then flows into the spraying gun through the liquid outlet pipe, and the spraying gun uniformly sprays the liquid medicine with certain pressure onto crops after changing the liquid medicine into mist, so as to prevent and treat diseases and insect pests.

The above prior art solutions have the following drawbacks: when spraying liquid medicine toward the crop, the intensive region of crop needs to spray more liquid medicine in the unit area to realize the prevention and cure plant diseases and insect pests, and the sparse region of crop then only need spray less liquid medicine in the unit area, and the flow of plunger pump is fixed in the above-mentioned atomizer, and the liquid medicine that can't satisfy two kinds of regions simultaneously sprays the demand.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide an adjustable speed atomizer, through drive mechanism, adjust the drive ratio between power spare and the water pump, and then adjust the flow of water pump to satisfy the liquid medicine spray demand in the intensive district of crop, the sparse district of crop.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a sprayer capable of adjusting speed comprises a rack, a power part and a water pump, wherein the power part and the water pump are arranged on the rack, the power part is used for outputting torque and driving the water pump to rotate, the power part comprises a driving shaft, the water pump comprises a driven shaft, the driving shaft and the driven shaft are arranged side by side, a transmission mechanism is arranged between the driving shaft and the driven shaft, and the transmission mechanism comprises a high-speed gear set, a low-speed gear set and an adjusting assembly;

the high-speed gear set comprises a high-speed driving wheel and a high-speed driven wheel which are meshed with each other, the high-speed driving wheel is coaxially and rotatably sleeved on the driving shaft, the high-speed driven wheel is coaxially and fixedly connected with the driven shaft, and the rotating speed of the high-speed driven wheel is greater than that of the high-speed driving wheel;

the low-speed gear set comprises a low-speed driving wheel and a low-speed driven wheel which are meshed with each other, the low-speed driving wheel is coaxially and rotatably sleeved on the driving shaft, the low-speed driven wheel is coaxially and fixedly connected with the driven shaft, and the rotating speed of the low-speed driven wheel is less than that of the low-speed driving wheel;

the adjusting component is arranged on the driving shaft and is used for being fixedly connected with one of the high-speed driving wheel or the low-speed driving wheel in the circumferential direction.

By adopting the technical scheme, before the equipment works, personnel select a proper gear set to transmit the torque of the power part through the adjusting assembly according to factors such as crop planting density and the like;

in an area with dense crops, more liquid medicine needs to be sprayed in a unit area, the high-speed driving wheel is fixedly connected with the driving shaft through the adjusting assembly, namely the rotating speed of the high-speed driving wheel is equal to that of the driving shaft, and further the rotating speed of the driven shaft is greater than that of the driving shaft, so that the water pump realizes large-flow liquid pumping, the requirement of the liquid medicine spraying amount in the area is met, and meanwhile, more liquid medicine is sprayed in unit time, so that the spraying of a large amount of liquid medicine is quickly completed;

the sparse region of crop, the liquid medicine volume that then need spray in the unit area is less, then through adjusting part for fixed connection between low-speed action wheel and the driving shaft, the rotational speed of low-speed action wheel equals the rotational speed of driving shaft promptly, and then makes the rotational speed of driven shaft be less than the rotational speed of driving shaft, makes the water pump realize the low discharge drawing liquid, in order to realize spraying less liquid medicine in the unit interval, avoids spraying liquid medicine in a large number and causes the waste.

The present invention may be further configured in a preferred embodiment as: the adjusting assembly comprises a sleeve and a pressing ring;

the sleeve is sleeved on the driving shaft in an axial sliding mode, the sleeve and the driving shaft are fixed in the circumferential direction, and the high-speed driving wheel and the low-speed driving wheel are coaxially and rotatably sleeved on the periphery of the sleeve;

the clamping ring is provided with two, and coaxial locating telescopic both ends periphery respectively, two the clamping ring is used for supporting one in the tight high-speed action wheel or the low-speed action wheel.

Through adopting above-mentioned technical scheme, the sleeve rotates along with the driving shaft constant speed, and the clamping ring supports tight high-speed action wheel, or low-speed action wheel, through the frictional force between the two, realizes the transmission torque.

The present invention may be further configured in a preferred embodiment as: the compression spring is further sleeved on the driving shaft, one end of the compression spring is axially fixed with the driving shaft, the other end of the compression spring abuts against the compression ring, and the compression spring enables the compression ring to have a tendency of abutting against one of the high-speed driving wheel or the low-speed driving wheel.

Through adopting above-mentioned technical scheme, when the sleeve along the axial free slip, compression spring's setting for a clamping ring supports tight action wheel, and then realizes the power transmission between driving shaft and the driven shaft, guarantees the use of spraying.

The present invention may be further configured in a preferred embodiment as: the periphery of driving shaft still threaded connection has the nut, just the sleeve is located between nut, the compression spring.

By adopting the technical scheme, the nut is rotated in the forward direction, and is close to and tightly abutted against the compression rings along the axial direction, so that the elastic force of the compression spring is overcome, the sleeve and the compression rings axially move, one compression ring is separated from one driving wheel, and the other compression ring is tightly abutted against the other driving wheel;

the nut is rotated reversely, the nut is far away from and separated from the compression rings along the axial direction, the sleeve and the compression rings axially move and reset under the action of the elastic force of the compression spring, so that the other compression ring is separated from the other driving wheel, and one compression ring is tightly abutted against one driving wheel again;

through the two processes, the rotation speed adjustment of the driven shaft is completed.

The present invention may be further configured in a preferred embodiment as: all be equipped with the draw-in groove on high-speed action wheel and the low-speed action wheel, two the tip of clamping ring all is equipped with the fastener, the axial extension of driving shaft is followed to the fastener, the fastener is used for inlaying and establishes to the draw-in groove in.

Through adopting above-mentioned technical scheme, utilize the extrusion force between fastener and the draw-in groove lateral wall, realize between clamping ring and the high-speed action wheel, or the clamping ring and the low-speed action wheel between the transmission torque, guarantee the reliability of power transmission.

The present invention may be further configured in a preferred embodiment as: the driven shaft is coaxially provided with two limiting plates at intervals, the two limiting plates correspond to a high-speed driven wheel and a low-speed driven wheel respectively, the high-speed driven wheel and the low-speed driven wheel are located between the two limiting plates, the diameter of each limiting plate is larger than the outer diameter of the corresponding driven wheel, and the end portions of the two limiting plates are in sliding butt joint with the end portions of the high-speed driving wheel and the low-speed driving wheel respectively.

Through adopting above-mentioned technical scheme, the equal fixed connection driven shaft of two limiting plates, and then realize the axial fixity of high-speed action wheel, low-speed action wheel, guarantee adjusting part's normal work.

The present invention may be further configured in a preferred embodiment as: and a friction ring is arranged between the high-speed driving wheel and the low-speed driving wheel.

Through adopting above-mentioned technical scheme, there is the difference in rotational speed between high-speed action wheel and the low-speed action wheel, utilizes the friction ring, avoids rubbing each other between high-speed action wheel and the low-speed action wheel.

To sum up, the utility model discloses a following at least one useful technological effect:

the transmission ratio between the power part and the water pump is adjusted through the transmission mechanism, so that the flow of the water pump is adjusted, and the requirements of spraying the liquid medicine in a crop dense area and a crop sparse area are met;

in areas with dense crops, a water pump pumps liquid at a large flow rate, so that the requirement of the amount of liquid medicine sprayed in the areas is met, and more liquid medicine is sprayed in unit time, so that the spraying of a large amount of liquid medicine is quickly completed;

in the sparse region of crops, the liquid is taken out to the low discharge of water pump to realize spraying less liquid medicine in the unit interval, avoid spraying liquid medicine in a large number and cause the waste.

Drawings

Fig. 1 is a schematic view of the overall structure of the nebulizer.

Fig. 2 is a schematic structural diagram of the transmission mechanism.

Fig. 3 is an exploded view of the transmission.

Fig. 4 is an exploded view of the high and low speed gear sets.

In the figure, 1, a frame; 2. a power member; 21. a drive shaft; 22. a square bar; 23. a baffle ring; 3. a water pump; 31. a driven shaft; 32. a limiting plate; 4. a liquid medicine tank; 5. a spray gun; 6. a transmission mechanism; 61. a high speed gear set; 611. a high-speed driving wheel; 612. a high-speed driven wheel; 62. a low speed gear set; 621. a low-speed driving wheel; 622. a low-speed driven wheel; 63. an adjustment assembly; 631. a sleeve; 632. pressing a ring; 633. a fastener; 64. a card slot; 7. a friction ring; 8. a compression spring; 9. and a nut.

Detailed Description

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

Referring to fig. 1, for the utility model discloses a speed-adjustable atomizer, including frame 1, be equipped with power component 2 in the frame 1, water pump 3, medicinal liquid jar 4 and spray gun 5, power component 2 can adopt motor, gasoline engine, diesel engine etc. it is used for output torque to drive water pump 3 operation, water pump 3 can adopt plunger pump, eccentric pump etc. it is used for extracting the liquid medicine in the medicinal liquid jar 4, and exports to spray gun 5, and spray gun 5 evenly spouts to the crop after becoming vaporific with the liquid medicine of certain pressure, with the prevention and cure insect pest.

Referring to fig. 2, the power part 2 includes a driving shaft 21, the water pump 3 includes a driven shaft 31, the driving shaft 21 and the driven shaft 31 are arranged side by side, a transmission mechanism 6 is arranged between the driving shaft 21 and the driven shaft 31, and the transmission mechanism 6 is used for adjusting the transmission ratio between the driven shaft 31 and the driving shaft 21 so as to adjust the flow rate of the water pump 3.

Referring to fig. 2 and 3, the transmission mechanism 6 includes a high-speed gear set 61, a low-speed gear set 62, and an adjustment assembly 63;

the high-speed gear set 61 comprises a high-speed driving wheel 611 and a high-speed driven wheel 612 which are mutually meshed, the low-speed gear set 62 comprises a low-speed driving wheel 621 and a low-speed driven wheel 622 which are mutually meshed, the high-speed driving wheel 611 and the low-speed driving wheel 621 are coaxially and rotatably sleeved on the driving shaft 21, and the high-speed driven wheel 612 and the low-speed driven wheel 622 are coaxially and fixedly connected with the driven shaft 31;

meanwhile, the outer diameter of the high-speed driven wheel 612 is smaller than that of the high-speed driving wheel 611, so that the rotating speed of the high-speed driven wheel 612 is greater than that of the high-speed driving wheel 611, and the outer diameter of the low-speed driven wheel 622 is greater than that of the low-speed driving wheel 621, so that the rotating speed of the low-speed driven wheel 622 is smaller than that of the low-speed driving;

the adjusting assembly 63 is disposed on the driving shaft 21 and is used for fixedly connecting one of the high-speed driving wheel 611 or the low-speed driving wheel 621 in the circumferential direction.

When the high-speed driving wheel 611 is fixedly connected with the driving shaft 21 in the circumferential direction, the rotating speed of the driven shaft 31 is higher than that of the driving shaft 21, so that the water pump 3 realizes large-flow liquid pumping, the requirement of the spraying amount of the medicament in the region is met, and more medicaments are sprayed in unit time to quickly spray a large amount of medicament;

when the low-speed driving wheel 621 is circumferentially and fixedly connected with the driving shaft 21, the rotating speed of the driven shaft 31 is lower than that of the driving shaft 21, so that the water pump 3 realizes small-flow liquid pumping, less medicaments are sprayed in unit time, and waste caused by spraying a large amount of medicaments is avoided;

the adjusting component 63 adjusts the two states, and then adjusts the flow of the water pump 3, so as to meet the requirement of spraying the liquid medicine in the crop dense area and the crop sparse area.

Referring to fig. 3, 4, the coaxial limiting plate 32 that is equipped with of interval on the driven shaft 31, and be fixed connection between limiting plate 32 and the driven shaft 31, limiting plate 32 is equipped with two, high-speed follow driving wheel 612 and low-speed follow driving wheel 622 all are located between two limiting plates 32, and two limiting plates 32 laminate the tip from driving wheel 612 at high speed respectively, the tip from driving wheel 622 at low speed, the diameter of two limiting plates 32 is greater than its external diameter that corresponds from the driving wheel respectively, make the periphery of two limiting plates 32 extend to the action wheel that corresponds, and the tip of two limiting plates 32 slides the tip of butt high-speed action wheel 611 respectively, the tip of low-speed action wheel 621, and then realize high-speed action wheel 611, the.

When the equipment works, a rotation speed difference exists between high-speed driving wheel 611 and low-speed driving wheel 621, friction ring 7 is further arranged between high-speed driving wheel 611 and low-speed driving wheel 621, and mutual friction between high-speed driving wheel 611 and low-speed driving wheel 621 is avoided by means of friction ring 7.

Referring to fig. 2 and 3, the end of the driving shaft 21 is provided with the square bar 22, the adjusting assembly 63 includes a sleeve 631 and a pressing ring 632, the sleeve 631 is slidably sleeved on the square bar 22, circumferential fixation between the sleeve 631 and the driving shaft 21 is achieved, the pressing ring 632 is provided with two pressing rings 632, the two pressing rings are respectively located at the peripheries of two ends of the sleeve 631, the high-speed driving wheel 611 and the low-speed driving wheel 621 are rotatably sleeved on the sleeve 631, and the two pressing rings 632 are located between the two pressing rings.

All be equipped with draw-in groove 64 on high-speed action wheel 611 and the low-speed action wheel 621, the tip of two clamping rings 632 all is equipped with fastener 633, and fastener 633 is along the axial extension of driving shaft 21, and it is used for inlaying and establishes to draw-in groove 64 in, and when fastener 633 on one clamping ring 632 inlayed and establishes to draw-in groove 64, fastener 633 on another clamping ring 632 completely broke away from draw-in groove 64.

The transmission of torque between the pressing ring 632 and the high-speed driving wheel 611 or between the pressing ring 632 and the low-speed driving wheel 621 is realized by the pressing force between the clamping piece 633 and the side wall of the clamping groove 64.

One end of the driving shaft 21 is provided with a retaining ring 23, the driving shaft 21 is further sleeved with a compression spring 8, two ends of the compression spring 8 respectively support the pressing ring 632 and the retaining ring 23 tightly, the pressing ring 632 has a tendency of being close to and abutting against the driving wheel, and the other end of the driving shaft 21 is further in threaded connection with a nut 9.

When the sprayer is used, the compression spring 8 enables the clamping piece 633 on the pressing ring 632 to be embedded into the clamping groove 64 of the low-speed driving wheel 621, so that circumferential fixing among the sleeve 631, the pressing ring 632 and the low-speed driving wheel 621 is completed, and torque transmission is completed through the low-speed gear set 62;

when speed is required to be adjusted, the nut 9 is rotated in the forward direction, the nut 9 is close to and abuts against the pressing ring 632 along the axial direction, and further the elastic force of the compression spring 8 is overcome, so that the sleeve 631 and the pressing ring 632 axially move, the clamping piece 633 on the pressing ring 632 is separated from the clamping groove 64 of the low-speed driving wheel 621, the clamping piece 633 on the other pressing ring 632 is embedded into the clamping groove 64 of the high-speed driving wheel 611, circumferential fixing among the sleeve 631, the pressing ring 632 and the high-speed driving wheel 611 is completed, and torque transmission is completed through the high-speed gear set 61;

when the speed is regulated again, the nut 9 is rotated reversely, the nut 9 is far away from the pressing ring 632 along the axial direction, under the action of the elastic force of the compression spring 8, the sleeve 631 and the pressing ring 632 axially move and reset, so that the clamping piece 633 on the pressing ring 632 is embedded into the clamping groove 64 of the low-speed driving wheel 621 again, circumferential fixation among the sleeve 631, the pressing ring 632 and the low-speed driving wheel 621 is completed, and further torque transmission is completed through the low-speed gear set 62.

The implementation principle of the embodiment is as follows: the transmission ratio between the power part 2 and the water pump 3 is adjusted through the transmission mechanism 6, so that the flow of the water pump 3 is adjusted, and the requirements of spraying the liquid medicine in a crop dense area and a crop sparse area are met;

in areas with dense crops, the water pump 3 pumps liquid at a large flow rate, so that the requirement of the amount of liquid medicine sprayed in the areas is met, and more liquid medicine is sprayed in unit time, so that the spraying of a large amount of liquid medicine is quickly finished;

in the sparse region of crops, 3 low discharge drawing liquids of water pump to spray less liquid medicine in realizing the unit interval, avoid spraying liquid medicine in a large number and cause the waste.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an adjustable speed atomizer, includes frame (1), power spare (2) and water pump (3), on frame (1) was all located in power spare (2) and water pump (3), power spare (2) are used for output torque, and the drive water pump (3) rotate its characterized in that: the power part (2) comprises a driving shaft (21), the water pump (3) comprises a driven shaft (31), the driving shaft (21) and the driven shaft (31) are arranged side by side, a transmission mechanism (6) is arranged between the driving shaft (21) and the driven shaft (31), and the transmission mechanism (6) comprises a high-speed gear set (61), a low-speed gear set (62) and an adjusting assembly (63);

the high-speed gear set (61) comprises a high-speed driving wheel (611) and a high-speed driven wheel (612) which are meshed with each other, the high-speed driving wheel (611) is coaxially sleeved on the driving shaft (21) in a rotating mode, the high-speed driven wheel (612) is coaxially and fixedly connected with the driven shaft (31), and the rotating speed of the high-speed driven wheel (612) is larger than that of the high-speed driving wheel (611);

the low-speed gear set (62) comprises a low-speed driving wheel (621) and a low-speed driven wheel (622) which are meshed with each other, the low-speed driving wheel (621) is coaxially and rotatably sleeved on the driving shaft (21), the low-speed driven wheel (622) is coaxially and fixedly connected with the driven shaft (31), and the rotating speed of the low-speed driven wheel (622) is less than that of the low-speed driving wheel (621);

the adjusting assembly (63) is arranged on the driving shaft (21) and is used for being fixedly connected with one of the high-speed driving wheel (611) or the low-speed driving wheel (621) in the circumferential direction.

2. The adjustable speed sprayer of claim 1, wherein: the adjusting assembly (63) comprises a sleeve (631) and a pressing ring (632);

the sleeve (631) is sleeved on the driving shaft (21) in an axially sliding manner, the sleeve (631) and the driving shaft (21) are fixed in the circumferential direction, and the high-speed driving wheel (611) and the low-speed driving wheel (621) are coaxially and rotatably sleeved on the periphery of the sleeve (631);

clamping ring (632) are equipped with two, and coaxial both ends periphery of locating sleeve (631) respectively, two clamping ring (632) are used for supporting one in high-speed action wheel (611) or low-speed action wheel (621) tightly.

3. The adjustable speed sprayer of claim 2, wherein: still cup jointed compression spring (8) on driving shaft (21), axial fixity between one end of compression spring (8) and driving shaft (21), its other end supports tightly clamping ring (632), just compression spring (8) make clamping ring (632) have the trend of supporting tightly in high-speed action wheel (611) or low-speed action wheel (621).

4. The adjustable speed sprayer of claim 3, wherein: the periphery of the driving shaft (21) is further connected with a nut (9) in a threaded mode, and the sleeve (631) is located between the nut (9) and the compression spring (8).

5. The adjustable speed sprayer of claim 2, wherein: all be equipped with draw-in groove (64) on high-speed action wheel (611) and low-speed action wheel (621), two the tip of clamping ring (632) all is equipped with fastener (633), the axial extension of driving shaft (21) is followed in fastener (633), fastener (633) are used for inlaying and establish to draw-in groove (64).

6. The adjustable speed sprayer of claim 1, wherein: driven shaft (31) are gone up the coaxial limiting plate (32) that is equipped with in interval, limiting plate (32) are equipped with two to correspond high-speed from driving wheel (612), low-speed from driving wheel (622) respectively, just high-speed from driving wheel (612) and low-speed from driving wheel (622) all are located between two limiting plates (32), two the diameter of limiting plate (32) is greater than its external diameter that corresponds from the driving wheel, two the tip of limiting plate (32) slides the tip of high-speed action wheel of butt (611), low-speed action wheel (621) respectively.

7. The adjustable speed sprayer of claim 6, wherein: and a friction ring (7) is arranged between the high-speed driving wheel (611) and the low-speed driving wheel (621).