JP3593560B2 - Shallow slurry injector - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a shallow slurry injector for applying a slurry such as livestock manure to a shallow layer in a field.
[0002]
[Prior art]
When slurry such as livestock manure is applied to the field, the odor is seriously generated when it is applied to the surface of the field with a vacuum tanker (surface application), and the problem of odor pollution occurs when residential areas such as prefectures are in close proximity. I have. In order to prevent odor, there is a conventional technique of applying slurry to a depth of 20 to 30 cm in the soil. However, this method has problems such as groundwater contamination and inefficient use of fertilizer components, and particularly in work. However, a tractor with a high horsepower is required, and work efficiency is extremely poor as compared with the case of surface application. In addition, when the injector is lifted at the end of the field, dripping of the slurry occurs, which causes problems such as generation of odor and adhesion to a working machine.
[0003]
[Problems to be solved by the invention]
In order to solve these problems, it is urgently necessary to develop a shallow-layer slurry injector that has the same level of performance as surface application, prevents odors and prevents groundwater contamination, and promotes slurry application in the field. Have been.
The present invention has been made in view of such circumstances, and an object of the present invention is to provide a slurry injector of a shallow-layer application type which solves the above-mentioned problem.
[0004]
[Means for Solving the Problems]
In order to achieve the above object, the present invention is characterized by the following means.
A. In the injector 2 connected to the tractor 1 and continuously applying slurry such as livestock manure to the field soil, a plurality of which are provided in the width direction ,
The injector 2, part a slurry injection tubes 17 and soil covering plate 18 is disposed after the digging edge 16, 該掘Kezuha 16, the slurry injection tubes 17 and cover soil plate 18, rotating the tip portion relative to the main body frame 6 At the rear side of a support arm 11 rotatably supported via the support member 10, a parallel link 12 operating in the vertical direction, a spring 13 laid on the parallel link 12, and a vertical movement range regulating member 14. Support
The main body frame 6 is provided with a vertically adjusting support device 20 for vertically moving the gauge wheel 19 to adjust the application depth of the slurry to the field soil by the injector 2 and a weight 32 for stabilizing the operation of the injector 2. The application depth of the slurry into the field soil was set at a shallow depth of about 15 cm from the ground surface.
[0005]
B. The injector 2 is suspended by the parallel link 12, the spring 13, the vertical movement range regulating member 14, and the rotation support member 10 so as to be able to independently follow irregularities in the field, and the injector 2 is placed on an obstacle in the soil. When contacted, it could move upward, left and right, ensured the injection depth of the slurry to prevent exposure to the surface of the field, and supported the rotary support member 10 so as to be able to turn while the injector 2 was inserted into the soil .
[0006]
[Action]
The above A. And B. With the configuration described above, the shallow slurry injector of the present invention operates as follows.
a. By injecting slurry into a shallow layer up to about 15 cm from the surface of the field, odors are prevented and efficient use of fertilizer components is achieved. Also, a work efficiency close to surface application is achieved without the need for a high horsepower tractor. Is obtained.
[0007]
b. Each injector moves up and down independently with respect to the unevenness of the field, and follows the unevenness of the field to secure the injection depth of the slurry and prevent exposure to the ground surface.
c. Even when there is an obstacle such as rubble in the soil, the injector escapes upward by the parallel link and the spring, so that the slurry can be applied and the exposure of the slurry can be reduced even in a field with a lot of rubble.
d. The slurry can be prevented from dripping at the end of the field and can be applied while turning, so that work can be performed efficiently.
[0008]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.
1 and 2, reference numeral 1 denotes a tractor, 2 denotes a shallow slurry injector, and 3 denotes a slurry tanker (or vacuum tanker). At the rear of the tractor 1, a three-point link including a top link 4 and a pair of left and right lower links 5 is provided. The three-point link is provided at the center of a main body frame 6 of the slurry injector extending in the left-right direction. The mast 7 and a pair of left and right lower link connecting portions 8 are connected to each other, and the slurry injector 2 and the slurry tanker 3 are pulled by the tractor 1 to perform work. Power is transmitted to the main body frame 6 via a PTO transmission shaft 9 from a PTO shaft (not shown) protruding rearward from the tractor 1.
[0009]
In the slurry injector 2, seven units are supported in the left-right length direction of the main body frame 6 so that the left-right space can be adjusted. The left and right ends of the main body frame 6 can be folded up and down from the rotation support portion 6a in a state in which one set of the slurry injectors 2 is mounted, and are folded when the slurry injectors 2 move on the road. Can be narrowed and moved. Each of the slurry injectors 2 has a front end portion of a support arm 11 rotatably attached to a rotation support member 10 provided at a front portion thereof, and a pair of front and rear parallel links 12, a spring 13, and a vertical movement range regulation. A flower-shaped disc 15 and a subsoiler-shaped excavation blade 16 are attached via a member 14. A slurry injection pipe 17 and a cover plate 18 are attached to the rear portion of the excavating blade 16, and the cover plate 18 can be adjusted up and down. A pair of left and right gauge wheels 19 are supported on the main body frame 6 by a vertically adjustable support device 20 so as to be vertically adjustable, and the working depth of the slurry injector 2 can be adjusted.
[0010]
A connecting frame 21 extends rearward from a central portion of the main body frame 6 in the left-right direction, and a front end portion of the body frame 23 of the slurry tanker 3 is rotatable left and right at a rear end portion of the connecting frame 21 via a hitch device 22. Be linked. A slurry tank 24 is mounted on the body frame 23. As shown in FIGS. 3 and 4, a positive displacement pump 25 is mounted on a front portion of the body frame 23, and power is transmitted via a transmission 26. The power transmitted to the main body frame 6 via the PTO transmission shaft 9 is input to the transmission 26 via a power transmission shaft 27. The pump 25 may be mounted on the vehicle body frame 23 behind the slurry tank 24.
[0011]
On the other hand, a distributor 28 is mounted on the main body frame 6, and the distributed slurry is supplied to the slurry injection pipe 17 via a pipe 29. The distributor 28 is operated by the hydraulic pressure received from the tractor 1 to agitate the slurry supplied from the pump 25 via the hose 30 and to crush solids, bedding and the like contained in the slurry and distribute the crushed slurry to the pipe 29. It has the function to do. From the suction part 31 provided in the slurry tank 24, it is possible to supply the slurry and seeds and the like and to inject the slurry together with the slurry into a shallow layer of a field. The pump 25 sucks up the slurry from the slurry tank 24, sends the slurry to the distributor 28 via the hose 30, sends the distributed slurry to the slurry injection pipe 17 via the pipe 29, and injects the slurry into the soil. A part of the slurry sucked up by 25 is returned (drained) into the slurry tank 24 to form a circulation path of the slurry by the pump 25 to stir the slurry in the slurry tank 24 so as to prevent sedimentation of seeds and the like. I have. Reference numeral 32 denotes a weight for stabilizing the operation of the slurry injector 2. Alternatively, the slurry tanker 3 may be directly mounted on the tractor 1 and the slurry injector 2 may be mounted on the rear of the slurry tanker 3.
[0012]
Next, the operation of the slurry injector 2 having the above configuration will be described.
The slurry injector 2 injects the slurry directly mounted on the tractor 1 and sucked up by the pump 25 from the slurry tanker 3 or the vacuum tanker into a shallow layer of about 15 cm from the ground surface through a slurry injection pipe 17, and The slurry is not exposed on the surface of the field at the edge of the field, as well as at the time of injection after covering the soil. In addition, a plurality of injectors 2 (seven in this embodiment) are provided in the width direction, and each injector 2 is independently suspended by a parallel link 12 and a spring 13 that operate in a vertical direction, and independently follows irregularities in a field. It is possible, and when the flower-shaped disc 15 or the excavation blade 16 comes into contact with an obstacle in the soil, it moves upward to avoid damage. Further, the injector 2 can be rotated left and right by the rotation support member 10, and can be turned while the injector 2 is inserted in the soil.
[0013]
In this embodiment, the slurry injector 2 is mounted directly on the rear part of the tractor 1 and the slurry tanker 3 is attached to the rear part of the injector 2 and towed, but the slurry tanker 3 is mounted directly on the rear part of the tractor 1. It is also possible to mount the injector 2 at the rear of the slurry tanker 3 for work. The slurry injector 2 and the slurry tanker 3 are pulled by the tractor 1, and the power to the tanker 3 is supplied to the transmission 26 of the pump 25 via the power transmission shaft 27 through the upper part of the injector 2. The distributor 28 attached to the main body frame 6 is driven by hydraulic pressure supplied from the tractor 1 to finely cut impurities in the slurry, and prevents clogging in the pipe 29 of the injector 2 and the slurry injection pipe 17. At the same time, a uniform amount of slurry is distributed to the injectors 2 of each strip.
[0014]
The injector 2 adjusts the working depth of the flower-shaped disc 15 and the excavating blade 16 by the gauge wheel 19 to keep the slurry injection depth by the slurry injection pipe 17 constant, and the flower-shaped disc 15 cuts, for example, rhizomes such as grass. Then, the traction force of the digging blade 16 is reduced. The slurry is guided to the lower end thereof through a slurry injection pipe 17 disposed at the rear of the excavation blade 16 and applied to a shallow layer of a field. In order to secure the application rate of the slurry, a wing similar to the subsoiler is attached to the tip of the excavating blade 16 to soften the soil in the lower layer, and after the application, the soil is covered by the covering plate 18. The vertical groove cut by 16 is closed to prevent diffusion of the odor of the slurry.
[0015]
In response to obstacles such as rubble or the like in the field or irregularities in the field scene, each injector 2 works while moving up and down in the control range of the vertical movement range control member 14 by the parallel link 12 and the spring 13. . In particular, in a field having rubble, only the injector 2 having a rubble strip escapes upward by the parallel link 12 and the spring 13 and then descends, thereby reducing the exposure of the slurry to the field scene. In addition, since the flower-shaped disc 15, the excavating blade 16, the slurry injection pipe 17, and the earth covering plate 18 are attached by the rotation supporting member 10 so as to be able to turn left and right, the turning can be performed without lifting the injector 2 at the field end. Can be. Further, the swing of the injector 2 to the left and right also helps to avoid rubble.
[0016]
And, as in the past, when the slurry is applied to the surface by a vacuum tanker or the like or is deeply applied to the soil of 20 to 30 cm, it causes an odor problem and a problem of groundwater contamination to the living environment due to atmospheric evaporation and underground infiltration, In particular, the present invention can solve the problem that the bad odor problem becomes a serious problem in a dairy farming area in a prefecture where congestion has progressed, and there have been cases where slurry cannot be applied in the field. In addition, the injector 2 of the present invention has the same efficiency as surface application using a vacuum tanker or the like, and suppresses atmospheric transpiration of odor and permeation of fertilizer components underground by applying slurry to a shallow layer in the soil. By applying the fertilizer component to the rhizosphere of the crop, efficient use of the fertilizer component is promoted. In particular, the apparatus of the present invention can be used in areas where pollution problems such as offensive odors have become apparent by minimizing the exposure of the slurry to the ground surface, and can reduce the reduction of livestock manure (slurry) in the field. Be promoted and become an environmentally friendly technology.
[0017]
【The invention's effect】
As described above, the slurry injector according to the present invention has the following effects by having the configuration of claim 1.
[0018]
I. The slurry can be stably injected into a shallow layer up to about 15 cm from the ground surface.
B. For the unevenness of the field, the slurry injectors of each strip can be independently rotated left and right and vertically movably mounted to ensure the slurry injection depth following the unevenness of the field and prevent the slurry from being exposed. it can.
C. If there are obstacles such as rubble, the parallel links and independent suspension by springs and the rotating support members allow the injector to escape upward and to the left and right , enabling slurry application even in rubble fields and reducing the exposure of the slurry. can do.
D. To prevent dropping of the slurry in the field edge, since the structure you rotate independently injector so as to be pivotable while injecting injector on the left and right, are also possible slurry applied while turning, efficiency good work It can be performed.
[Brief description of the drawings]
FIG. 1 is a side view of a slurry injector according to the present invention.
FIG. 2 is a plan view of the slurry injector.
FIG. 3 is a side view of the slurry tanker.
FIG. 4 is a side view of the slurry tanker.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Tractor 2 Slurry injector 3 Slurry tanker 4 Top link 5 Lower link 6 Injector main body frame 6a Rotation support part 7 Top mast 8 Lower link connection part 9 PTO transmission shaft 10 Rotation support member 11 Support arm 12 Parallel link 13 Spring 14 Vertical movement range regulating member 15 Flower-shaped disc 16 Drilling blade 17 Slurry injection pipe 18 Covering plate 19 Gauge wheel 20 Vertical adjustment support device 21 Connecting frame 22 Hitch device 23 Body frame 24 Slurry tank 25 Volumetric pump 26 Transmission 27 Power transmission shaft 28 Distributor 29 Pipe 30 Hose 31 Suction section 32 Weight

Claims (1)

An injector (2) connected to the tractor (1) and continuously applying slurry such as livestock manure to the field soil in a plurality of rows provided in the width direction ,
The injector (2) is to parts disposed slurry injection tube (17) and soil cover plate (18) after the digging edge (16), 該掘Kezuha (16), the slurry injection tubes (17) and covered with soil plates ( A parallel link ( 18) is mounted on the rear side of a support arm (11) whose front end is rotatably supported on the body frame (6) via a rotation support member (10). 12), supported via a spring (13) installed on the parallel link (12) and a vertical movement range regulating member (14),
Work of the vertically adjustable support device (20) and the injector (2) for vertically moving the gauge wheel (19) to the body frame (6) to adjust the application depth of the slurry to the field soil by the injector (2). A weight (32) for stabilizing the slurry, the application depth of the slurry into the field soil by the injector (2) is set to a shallow depth of about 15 cm from the ground surface ,
The injector (2) is suspended by the parallel link (12), the spring (13), the vertical movement range regulating member (14), and the rotation support member (10) so as to be able to independently follow the unevenness of the field. When the injector (2) comes into contact with an obstacle in the soil, the injector (2) can move upward, left and right, secure the injection depth of the slurry so as to prevent the slurry from being exposed to the surface of the field, and the rotary support member (10) (2) A shallow-layer slurry injector characterized in that it is pivotally supported while being inserted into the soil .

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