CN214384984U

CN214384984U - Weeding and fertilizing device between rows

Info

Publication number: CN214384984U
Application number: CN202023239529.9U
Authority: CN
Inventors: 奚小波; 沈辉; 张瑞宏; 吴飞; 龚俊杰; 张翼夫
Original assignee: Yangzhou University
Current assignee: Yangzhou University
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-10-15
Anticipated expiration: 2030-12-29

Abstract

The utility model discloses a weeding and fertilizing device between rows in the technical field of agricultural machinery, which comprises a frame, a plurality of weeding and fertilizing mechanisms are distributed on the frame, each weeding and fertilizing mechanism comprises a fertilizing box fixedly connected on the frame, the lower side of the fertilizing box is connected with an electric fertilizer applicator, a transmission shaft with a fertilizer dropping cavity is rotatably connected on the frame below the electric fertilizer applicator, the lower part of the transmission shaft is connected with a weeding disc, a plurality of weeding knives are distributed on the lower side of the weeding disc, the lowest position of the weeding knives is lower than that of a weeding wheel, at least one fertilizer outlet communicated with the fertilizer dropping cavity is arranged on the periphery of the transmission shaft, a fertilizer sliding part is arranged on the outer side of the transmission shaft at the fertilizer outlet, a fertilizer sliding groove is arranged on the fertilizer sliding part, the lower side of the weeding disc is fixedly connected on the lower side of the weeding disc, a fertilizer dropping hole corresponding to the fertilizer sliding part is arranged on the weeding disc, the upper end of the fertilizer sliding groove is communicated with the fertilizer outlet, the lower end of the fertilizer sliding groove is communicated with the fertilizer dropping hole, the fertilizer falling port is arranged among the weeding knives; the utility model discloses realize weeding fertilization between the line simultaneously.

Description

Weeding and fertilizing device between rows

Technical Field

The utility model belongs to the technical field of agricultural machine, in particular to weeding fertilizer injection unit between line.

Background

With the development of green agriculture and ecological agriculture, people gradually abandon the use of herbicide and other chemical ingredients for weeding and often adopt a weeding machine for weeding, and generally, the weeding between rows is easier and the weeding between plants is difficult. In the prior art, a weeding machine is often used for weeding among rows, the weeding machine comprises a frame, a plurality of inter-row weeding and fertilizing devices are arranged at the front part of the frame, each inter-row weeding and fertilizing device comprises a transmission case connected to the frame, the lower part of the transmission case is rotatably connected with an inter-row weeding shaft, the left end and the right end of each inter-row weeding shaft are arranged outside the transmission case, the left end and the right end of each inter-row weeding shaft are both connected with an inter-row weeding wheel, during operation, the transmission case acts, the inter-row weeding shafts drive the rotation of the inter-row weeding wheels, inter-row weeding is realized between two adjacent rows of crops of the inter-row weeding wheels, when fertilization is needed, a fertilizing box is arranged on the frame behind the inter-row weeding and fertilizing devices, an electric fertilizer applicator is connected to the lower side of the fertilizing box, the electric fertilizer applicator acts to discharge fertilizer to the inter-row soil, although inter-row weeding and inter-row fertilizing can be realized through the design, weeding and fertilizing actions are separately carried out, the structure is not compact, and the whole machine type is very heavy.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the weak point among the prior art, provide a weeding fertilizer injection unit between lines, solved the technical problem that can't weed simultaneously and fertilize among the prior art, the utility model discloses compact structure realizes fertilizing between lines when realizing weeding between lines.

The purpose of the utility model is realized like this: the utility model provides a weeding fertilizer injection unit between ranks, includes the frame, a plurality of weeding fertilizing mechanism of having arranged in the frame, weeding fertilizing mechanism includes the fertilization case of fixed connection in the frame, fertilization case downside fixedly connected with electronic fertilizer applicator, rotationally be connected with vertical setting and have the transmission shaft in fertile chamber that falls in the frame of electronic fertilizer applicator below, the fertile chamber that falls covers the blanking mouth place region of electronic fertilizer applicator, the sub-unit connection of transmission shaft has the weeding dish, a plurality of weeding swoves of having arranged in the downside of weeding dish, the extreme lower position of weeding sword is less than the extreme lower position of weeding wheel, and the transmission shaft periphery is opened has at least one and falls the fertile mouth that the fertile chamber communicates, and the transmission shaft outside of fertile mouth department is equipped with smooth fertile portion, it has the fertile groove to open in smooth fertile portion, and the downside fixed connection of smooth fertile portion is at the downside of weeding dish, and it has the fertile mouth that falls that corresponds with smooth fertile portion to open on the weeding dish, the upper end of the sliding fertilizer groove is communicated with the fertilizer outlet, the lower end of the sliding fertilizer groove is communicated with the fertilizer outlet, and the fertilizer outlet is arranged between the weeding knives.

In the utility model, the frame is connected behind the walking device in a liftable way, the row spacing of crops is basically consistent, the walking device is provided with the unmanned navigation system, the walking device drives the utility model to walk to the initial position set by the field, and the position of the weeding disc in the left and right direction corresponds to the row of the crops; during operation, the navigation system calls a previous operation path to enable the walking device to run according to the previous planting path, the transmission shaft rotates and drives the weeding disc to rotate, the weeding disc rotates and drives the weeding knives to rotate, the weeding knives further weed and loosen the soil, meanwhile, the electric fertilizer applicator acts and discharges fertilizer into the fertilizer falling cavity of the transmission shaft, the fertilizer falls onto the soil between the weeding knives along the fertilizer outlet, the fertilizer sliding groove and the fertilizer falling opening, the weeding knives throw the soil out, and the thrown soil falls onto the fertilizer, so that soil covering is achieved, and the fertilizer application effect is improved; the utility model has ingenious structure, realizes inter-row weeding and inter-row fertilization, and during fertilization, the weeding knife realizes the earthing of the fertilizer, thereby improving the fertilization effect; can be applied to the inter-plant weeding work.

In order to further avoid shifting up of transmission shaft, the cover is equipped with spacing casing on the transmission shaft of downwardly extending frame, and spacing casing fixed connection is at the frame downside, spacing casing one end down is opened there is the spacing groove, be connected with the spacing ring on the transmission shaft, the spacing ring is at the spacing inslot, and the upside of spacing ring is contradicted on spacing casing, and the spacing ring is rotationally connected on spacing casing.

In order to further realize inter-plant weeding, a weeding motor is fixedly connected to the frame, an output shaft is connected to the weeding motor, the output shaft is fixedly connected with a driving shaft, the frame is fixedly connected with at least one first bearing seat, the driving shaft is rotatably connected to the first bearing seat, a plurality of second bearing seats are distributed on the machine frame in front of the first bearing seat, the second bearing seat is rotatably connected with a driven shaft, the driving shaft is in transmission connection with the driven shaft, a plurality of transmission boxes which are in one-to-one correspondence with the weeding and fertilizing mechanisms are fixedly connected on the machine frame, a driven shaft is used for inputting power of the transmission boxes II among all plants, the transmission case is connected with a gear shaft which outputs power outwards, the gear shaft is connected with a driving bevel gear, the transmission shaft is connected with a driven bevel gear, and the driving bevel gear is meshed with the driven bevel gear.

In order to further realize the rotation of weeding sword, be connected with drive sprocket on the drive shaft, be connected with driven sprocket on the driven shaft, drive sprocket is connected with driven sprocket through the chain.

In order to further improve the soil covering effect of the fertilizer, a plurality of soil retaining covers are arranged on the lower side of the weeding disc, facing outwards, of the weeding knives and are arranged between every two adjacent weeding knives; in the design, soil thrown out by the weeding knife is thrown onto the soil retaining cover, and soil thrown to the inner side of the soil retaining cover is thrown towards the center of the weeding disk to further cover fertilizers.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a three-dimensional structure diagram of the utility model with a fixed cover hidden.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Fig. 4 is a partially enlarged view of fig. 2 at B.

Fig. 5 is a perspective view of the present invention.

Fig. 6 is a partially enlarged view of C in fig. 5.

Fig. 7 is a schematic structural view of the middle transmission shaft, the fixing cover, the frame and the limiting shell of the present invention connected together.

Fig. 8 is a partial perspective view of the middle transmission shaft and the sliding fertilizer part of the present invention.

The weeding and fertilizing mechanism comprises a weeding and fertilizing mechanism 1, a soil retaining cover 101, a weeding knife 102, a transmission shaft 103, a fertilizer sliding part 104, a weeding disc 105, a fertilizing box 106, a transmission box 107, a driven bevel gear 108, an electric fertilizing device 109, a driving bevel gear 110, a gear shaft 111, a fertilizer dropping opening 112, a limiting ring 113, a limiting shell 114, a limiting cover 115, a dropping opening 116, a limiting disc 117, a supporting bearing 118, a fixed cover 119, a limiting step 119a, a fertilizer dropping cavity 120, a material blocking part 121, an inclined part 122, a fertilizer discharging opening 123, a rack 2, a weeding motor 3, an output shaft 4, a bearing seat I5, a driven sprocket 6, a driven shaft 7, a chain 8, a bearing seat II, a driving sprocket 10 and a driving shaft 11.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

A row weeding and fertilizing device as shown in fig. 1-8, comprising a frame 2, a plurality of weeding and fertilizing mechanisms 1 are arranged on the frame 2, the weeding and fertilizing mechanisms 1 comprise a fertilizing box 106 fixedly connected to the frame 2 and a fixing cover 119 fixed on the frame 2, an electric fertilizing device 109 is fixedly connected to the lower side of the fertilizing box 106, the fixing cover 119 is arranged below the electric fertilizing device 109, a transmission shaft 103 which is vertically arranged and is provided with a fertilizing cavity 120 is rotatably connected to the frame 2 below the electric fertilizing device 109, the fertilizing cavity 120 covers the area where the discharging hole 116 of the electric fertilizing device 109 is located, a limiting cover 115 is sleeved on the transmission shaft 103 on the upper side of the fixing cover 119, a limiting disc 117 is connected to the upper part of the transmission shaft 103, the limiting cover 115 is fixedly connected with the fixing cover 119, the limiting disc 117 abuts against the upper side of the limiting cover 115, the limiting cover 115 and a in the fixing cover 119 further limit bearing 118 limits the up-down and down movement, a transmission shaft extending downwards out of the rack 2 is sleeved with a limiting shell 114, the limiting shell 114 is fixedly connected to the lower side of the rack 2, a limiting groove is formed in the downward end of the limiting shell 114, a limiting ring 113 is connected to the transmission shaft, the limiting ring 113 is arranged in the limiting groove, the upper side of the limiting ring 113 is abutted against the limiting shell 114, the limiting ring 113 is rotatably connected to the limiting shell 114, a weeding disk 105 is connected to the lower portion of the transmission shaft 103, a plurality of weeding knives 102 are arranged on the lower side of the weeding disk 105, the lowest position of the weeding knives 102 is lower than that of the weeding wheels, at least one fertilizer outlet 123 communicated with a fertilizer falling cavity 120 is formed in the periphery of the transmission shaft 103, material blocking portions 121 are respectively arranged in the transmission shaft on two sides of the outer edge of the fertilizer outlet 123 in the radial direction, the outer sides of the material blocking portions 121 are fixed on the inner side of the transmission shaft, an inclined portion 122 is arranged on the upper side of the material blocking portion 121, the inclined portion 122 inclines downwards from the inner side of the transmission shaft towards the inner side of the material blocking portion 121, the outside of the transmission shaft 103 at the fertilizer outlet 123 is provided with a sliding fertilizer part 104, the sliding fertilizer part 104 is provided with a sliding fertilizer groove, the lower side of the sliding fertilizer part 104 is fixedly connected with the lower side of the weeding disk 105, the weeding disk 105 is provided with a fertilizer outlet 112 corresponding to the sliding fertilizer part 104, the upper end of the sliding fertilizer groove is communicated with the fertilizer outlet 123, the lower end of the sliding fertilizer groove is communicated with the fertilizer outlet 112, the fertilizer outlet 112 is arranged between the weeding knives 102, a plurality of soil retaining covers 101 are arranged on the lower side of the weeding disk 105 facing outwards of the weeding knives 102, and the soil retaining covers 101 are arranged between two adjacent weeding knives 102.

The structure for realizing the rotation of the transmission shaft 103 is concretely that a weeding motor 3 is fixedly connected on a frame 2, an output shaft 4 is connected on the weeding motor 3, a driving shaft 11 is fixedly connected on the output shaft 4, at least one bearing seat I5 is fixedly connected on the frame 2, the driving shaft 11 is rotatably connected on the bearing seat I5, a plurality of bearing seats II 9 are distributed on the frame 2 in front of the bearing seat I5, a driven shaft 7 is rotatably connected on the bearing seats II 9, a driving chain wheel 10 is connected on the driving shaft 11, a driven chain wheel 6 is connected on the driven shaft 7, the driving chain wheel 10 is connected with the driven chain wheel 6 through a chain 8, a plurality of transmission boxes 107 which are in one-to-one correspondence with the weeding and fertilizing mechanisms 1 are fixedly connected on the frame 2, the driven shaft 7 is the power input of the transmission boxes 107 II among all plants, a gear shaft 110 for outputting power outwards is connected on the transmission boxes 107, and a driving bevel gear 110 is connected on the gear shaft 110, the transmission shaft 103 is connected with a driven bevel gear 108, and a driving bevel gear 110 is meshed with the driven bevel gear 108.

In the utility model, the frame 2 is connected behind the walking device (prior art) in a liftable way, the planting distance of the crops is basically consistent, the walking device is provided with an unmanned navigation system, the walking device drives the utility model to walk to the initial position set in the field, the position of the weeding disc 105 in the left and right direction corresponds to a row of the corresponding crops, the weeding knives 102 are in the row, and the electric fertilizer applicator 109 is prior art; during operation, the navigation system calls the previous operation path, the weeding motor 3 acts, the output shaft 4 rotates, the rotation of the output shaft 4 drives the rotation of the driving shaft 11, the driving shaft 11 drives the driving sprocket 10 to rotate, the driving sprocket 10 drives the driven sprocket 6 to rotate through the chain 8, the driven sprocket 6 drives the driven shaft 7 to rotate, the driven shaft 7 drives the corresponding gear shaft 110 to rotate for the power input of each transmission case 107, the gear shaft 110 drives the driving bevel gear 110 to rotate, the driving bevel gear 110 drives the driven bevel gear 108 to rotate, the driven bevel gear 108 drives the transmission shaft 103 to rotate, the transmission shaft 103 drives the weeding disc 105 to rotate, the weeding disc 105 drives the weeding knife 102 to rotate, the weeding knife 102 rotates to weed in rows, the electric fertilizer applicator 109 acts, the fertilizer discharged by the electric fertilizer applicator 109 sequentially flows along the discharging port 116 and the fertilizer discharging cavity 120, of the transmission shaft 103, The fertilizer outlet 123, the fertilizer sliding groove and the fertilizer falling opening 112 fall on the soil between the weeding knives 102, the weeding knives 102 throw out the soil, the thrown soil falls on the fertilizer to realize soil covering, meanwhile, the soil thrown out by the weeding knives 102 is thrown on the soil retaining cover 101, the soil thrown on the inner side of the soil retaining cover 101 is thrown towards the center of the weeding disk 105, the fertilizer is further covered, and the fertilizer application effect is improved; the utility model realizes inter-row weeding and inter-row fertilization, and during fertilization, the weeding knife 102 realizes the earthing of the fertilizer, thereby improving the fertilization effect; can be applied to crop weeding work.

The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some replacements and transformations for some technical features without creative labor according to the disclosed technical contents, and these replacements and transformations are all within the protection scope of the present invention.

Claims

1. The utility model provides a weeding fertilizer injection unit between line, includes the frame, its characterized in that: a plurality of weeding fertilizing mechanism of having arranged in the frame, weeding fertilizing mechanism includes the fertilization case of fixed connection in the frame, fertilization case downside fixedly connected with electronic fertilizer applicator, rotationally be connected with vertical setting and have the transmission shaft in fertile chamber that falls in the frame of electronic fertilizer applicator below, fall fertile chamber and cover the area in the blanking mouth place of electronic fertilizer applicator, the sub-unit connection of transmission shaft has the weeding dish, a plurality of weeding swoves have been arranged to the downside of weeding dish, and the lowest position of weeding sword is less than the lowest position of weeding wheel, and the transmission shaft periphery is opened has at least one and falls fertile mouthful of fertile chamber intercommunication, and the transmission shaft outside of fertile mouthful department is equipped with the sliding fertilizer portion, it has the sliding fertilizer groove to open in the sliding fertilizer portion, and the downside fixed connection of sliding fertilizer portion has the downside of weeding dish, and it has the fertile mouth that falls that corresponds with sliding fertilizer portion to open on the weeding dish, the upper end and the fertile mouth intercommunication of sliding fertilizer groove, the lower end of the fertilizer sliding groove is communicated with a fertilizer falling port which is arranged among the weeding knives.

2. The inter-row weeding and fertilizing device as claimed in claim 1, wherein: the transmission shaft of the downward extending rack is sleeved with a limiting shell, the limiting shell is fixedly connected to the lower side of the rack, one end of the limiting shell facing downwards is provided with a limiting groove, the transmission shaft is connected with a limiting ring, the limiting ring is in the limiting groove, the upper side of the limiting ring is abutted to the limiting shell, and the limiting ring is rotatably connected to the limiting shell.

3. The inter-row weeding and fertilizing device as claimed in claim 1, wherein: the weeding machine is characterized in that a weeding motor is fixedly connected to the rack, an output shaft is connected to the weeding motor, a driving shaft is fixedly connected to the output shaft, at least one first bearing seat is fixedly connected to the rack, the driving shaft is rotatably connected to the first bearing seat, a plurality of second bearing seats are distributed on the rack in front of the first bearing seats, driven shafts are rotatably connected to the second bearing seats, the driving shaft is in transmission connection with the driven shafts, a plurality of transmission boxes which correspond to the weeding and fertilizing mechanisms one to one are fixedly connected to the rack, the driven shafts are used for power input of the second transmission boxes between all plants, gear shafts for outputting power outwards are connected to the transmission boxes, driving bevel gears are connected to the gear shafts, driven bevel gears are connected to the transmission shafts, and the driving bevel gears are meshed with the driven bevel gears.

4. An inter-row weeding and fertilizing apparatus as claimed in claim 3, wherein: the driving shaft is connected with a first driving chain wheel, the driven shaft is connected with a first driven chain wheel, and the first driving chain wheel is connected with the first driven chain wheel through a first chain.

5. A row-to-row weeding and fertilizing device as claimed in any one of claims 1 to 4, wherein: a plurality of soil retaining covers have been arranged to weeding dish downside that the weeding sword is outside, soil retaining cover sets up between two adjacent weeding swoves.