CN104541713A - Device and method for mounting hollow-column-shaped fertilizer spike - Google Patents
Device and method for mounting hollow-column-shaped fertilizer spike Download PDFInfo
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- CN104541713A CN104541713A CN201410843913.XA CN201410843913A CN104541713A CN 104541713 A CN104541713 A CN 104541713A CN 201410843913 A CN201410843913 A CN 201410843913A CN 104541713 A CN104541713 A CN 104541713A
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- China
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- cutting tip
- dead lever
- sleeve pipe
- hollow columnar
- fertilizer rod
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
Abstract
The invention relates to a device and a method for mounting a hollow-column-shaped fertilizer spike. The device comprises a connecting mechanism connected with a power mechanism as well as a casing pipe and a drilling and excavating mechanism which are connected with the connecting mechanism, wherein a spiral cutting blade is arranged on the outer wall of the casing pipe; the drilling and excavating mechanism comprises a fixed rod connected with the connecting mechanism, at least one group of cutting blade assembly arranged at the lower end of the fixed rod and a locking mechanism for folding the cutting blade assembly; when the locking mechanism folds the cutting blade assembly, the cutting blade assembly is folded and placed into a folding groove in the fixed rod. The device is a special application tool for the hollow-column-shaped fertilizer spike used in landscaping, has the integrated functions of drilling and mounting, can improve the dispersion efficiency and insertion accuracy of the fertilizer spike greatly and facilitates large-scale popularization and application of the hollow-column-shaped fertilizer spike.
Description
Technical field
The present invention relates to afforestation field, particularly relate to a kind of device and method installing hollow columnar Fertilizer rod.
Background technology
Use the Fertilizer rod of hollow columnar to apply fertilizer in afforestation, effectively can solve that city trees and shrubs soil easily hardens, poor air permeability, soil depletion, the content of organic matter are low and the low inferior series of problems of utilization rate of fertilizer, using value is higher.
But not easily directly ram in soil because Fertilizer rod intensity is not high, the general use flow process of discharging again of first holing is used, and operation wastes time and energy, and the diameter in wayward hole and the degree of depth.Thus reduce the application efficiency of Fertilizer rod, even affect application effect.
Summary of the invention
The object of the invention is for the problems referred to above, propose a kind of device and method of installation hollow columnar Fertilizer rod integrating boring, installation function.
For achieving the above object, the invention provides a kind of device installing hollow columnar Fertilizer rod, comprise the bindiny mechanism and the sleeve pipe be connected with described bindiny mechanism and drilling machine structure that connect actuating unit, the outer wall of described sleeve pipe is provided with screw-shaped cutting blade, described drilling machine structure comprise be connected with described bindiny mechanism dead lever, at least one group be arranged on the cutting tip assembly of described dead lever lower end and the locking mechanism for cutting tip assembly described in folding; When described in described locking mechanism folding during cutting tip assembly, described cutting tip member collapses enters in the folded slot that is arranged on described dead lever.
Preferably, described bindiny mechanism is circular lid-like; When described device work, described actuating unit drives described sleeve pipe and drilling machine structure to rotate by described bindiny mechanism simultaneously.
Preferably, described sleeve pipe is the columnar structured of at least two panels arc plate composition, at least described in two panels, arc plate is fixed by interlocking structure, and after described arc plate is fixing, the screw-shaped cutting blade at least on arc plate outer wall described in two panels mutually coincide and aligns.
Preferably, the pipe thickness of described sleeve pipe is 0.5 ~ 2cm, and the internal diameter of described sleeve pipe matches with the external diameter of hollow columnar Fertilizer rod.
Preferably, the flight pitch of described screw-shaped cutting blade is 1 ~ 2cm, and described cannula tip is provided with the draw ring for lifting described device.
Preferably, the bottom of described dead lever is sharp structure, and top is column structure, and the diameter compatible of the external diameter of described dead lever and hollow columnar Fertilizer rod closes.
Preferably, cutting tip assembly described in a group is that at least two panels is evenly arranged on the cutting tip on same principal plane.
Preferably, described cutting tip be oriented to the vertical direction of described dead lever junction to be 30 ~ 45° angle, to be 45 ~ 60 ° of angles with the horizontal section of described dead lever.
Preferably, when described dead lever is provided with cutting tip assembly described at least two groups, at a distance of 2 ~ 4cm between described cutting tip assembly, and in described cutting tip assembly, the length of cutting tip increases from bottom to top successively.
Another object of the present invention is to provide a kind of method of installing hollow columnar Fertilizer rod, described method comprises the steps:
A, basis are discharged the degree of depth and described hollow columnar Fertilizer rod are placed on relevant position in sleeve pipe, fixed by interlocking structure, again described dead lever is inserted in hollow columnar Fertilizer rod, by described locking mechanism, cutting tip assembly is ejected folded slot afterwards, and described device overall structure is stood on fertilising point;
B, described bindiny mechanism is connected with described sleeve pipe and dead lever respectively and fixes, and actuating unit is connected with described bindiny mechanism; Brill pick is carried out afterwards according to fertilization depth;
After C, brill pick, remove described actuating unit and bindiny mechanism, and by described locking mechanism, cutting tip member collapses is entered in folded slot; Take out described dead lever afterwards, remove described sleeve pipe;
D, with soil, landfill is carried out to described hollow columnar Fertilizer rod.
Based on technique scheme, advantage of the present invention is:
The device of installation hollow columnar Fertilizer rod of the present invention is a kind of specialized mean for applying of Fertilizer rod of the hollow columnar for using in afforestation, have the advantages that to integrate boring, installation function, greatly can improve discharging efficiency and assigning precision of Fertilizer rod, be conducive to the large-scale promotion application of hollow columnar Fertilizer rod.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the apparatus structure schematic diagram installing hollow columnar Fertilizer rod;
Fig. 2 is the device schematic diagram when work installing hollow columnar Fertilizer rod;
Wherein, 1 ~ bindiny mechanism; 2 ~ sleeve pipe; 3 ~ drilling machine structure; 4 ~ cutting blade; 5 ~ dead lever; 6 ~ hollow columnar Fertilizer rod; 7 ~ cutting tip; 8 ~ locking mechanism.
Embodiment
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Embodiment 1
The Fertilizer rod entirety of hollow columnar common is at present column, cross section can be circle, ellipse, square, polygon etc., and Fertilizer rod is hollow structure, and Fertilizer rod one end is intersecting plane, the other end is reduced into wedge shape or cone, is convenient to insert soil.The length of Fertilizer rod from 10cm to 50cm not etc., can supply the different root system of plant distribution layer choice for uses such as draft, shrub, arbor.The device of installation hollow columnar Fertilizer rod of the present invention is a kind of specialized mean for applying of Fertilizer rod of the hollow columnar for using in afforestation, mainly comprises sleeve pipe, drilling machine structure and bindiny mechanism three part.
See Fig. 1, Fig. 2, the invention provides a kind of device installing hollow columnar Fertilizer rod, comprise the bindiny mechanism 1 and the sleeve pipe 2 be connected with described bindiny mechanism 1 and drilling machine structure 3 that connect actuating unit.
Described bindiny mechanism 1 is connected with actuating unit, and position, at the top of described sleeve pipe 2, is circular lid-like.And described bindiny mechanism 1 matches with sleeve pipe, dead lever, top has jockey to be connected with outside power mechanism, and described actuating unit can be electric drilling machine also can bindiny mechanism 1 described in manual operation, and below and casing wall, dead lever 5 lock respectively.When described device work, described actuating unit drives described sleeve pipe 2 and drilling machine structure 3 to rotate by described bindiny mechanism 1 simultaneously, thus carries out brill pick operation.
The outer wall of described sleeve pipe 2 is provided with screw-shaped cutting blade 4, and described sleeve pipe 2 is the columnar structured of at least two panels arc plate composition, at least described in two panels, arc plate is fixed by interlocking structure, and after described arc plate is fixing, the screw-shaped cutting blade 4 at least on arc plate outer wall described in two panels mutually coincide and aligns.This interlocking structure is connected with the controlling organization on described sleeve pipe 2 top, unlocks interlocking structure and described arc plate is separated by it.The pipe thickness of described sleeve pipe 2 is 0.5 ~ 2cm, and the internal diameter of described sleeve pipe 2 matches with the external diameter of hollow columnar Fertilizer rod 6, is generally 5 ~ 10cm, is advisable to be just in time inserted in Fertilizer rod, inner wall smooth.The outer wall of described sleeve pipe 2 is that shape of threads is protruding, and described thread protrusion is provided with sharper cutting blade 4, has the function of assisted mining when holing.And the groove of described screw thread can be used as guiding gutter by be cut soil bits leadout hole outside.
Preferably, the flight pitch of described screw-shaped cutting blade 4 is 1 ~ 2cm, and described sleeve pipe 2 top is provided with draw ring for lifting described device for lifting.The top of said sleeve pipe 2 is provided with bindiny mechanism 1, so that sleeve pipe 2, dead lever 5 are connected and fixed and are connected with outside power mechanism.
Further, described drilling machine structure 3 comprise be connected with described bindiny mechanism 1 dead lever 5, at least one group be arranged on the cutting tip assembly of described dead lever 5 lower end and the locking mechanism 8 for cutting tip assembly described in folding.Particularly, the bottom of described dead lever 5 is sharp structure, and top is column structure, to make described dead lever 5 through the mesopore of described hollow columnar Fertilizer rod 6, can be set to cylinder.And the external diameter of described dead lever 5 and the diameter compatible of hollow columnar Fertilizer rod 6 close, be advisable so that Fertilizer rod mesopore just in time can be inserted.
One end of described dead lever 5 is connected with one or more groups cutting tip assembly, and makes cutting tip assembly described in a group be that at least two panels is evenly arranged on the cutting tip 7 on same principal plane.Preferably, described cutting tip 7 be oriented to the vertical direction of described dead lever 5 junction to be 30 ~ 45° angle, to be 45 ~ 60 ° of angles with the horizontal section of described dead lever 5.Certainly, one group of cutting tip assembly also can be formed by the multiple blades 7 being set to radial distribution.
When described dead lever 5 is provided with cutting tip assembly described at least two groups, at a distance of 2 ~ 4cm between described cutting tip assembly, and in described cutting tip assembly, the length of cutting tip 7 increases from bottom to top successively.Such as, above the cutting tip assembly of first group, top, 2 ~ 4cm place arranges second group of cutting tip assembly, this group cutting tip assembly is except length is longer than first group of cutting tip assembly, and all the other positions and blade orientation arrange all identical, and the 3rd group and other cutting tip assemblies are by that analogy.
As shown in Figure 2, at described dead lever 5, folded slot is set in vertical direction of each group cutting tip assembly, when described in the folding of described locking mechanism 8 during cutting tip assembly, described cutting tip member collapses enters in the folded slot that is arranged on described dead lever 5, does not expose to described dead lever 5.The top of described dead lever 5 controls cutting tip assembly by locking mechanism 8 and to open and in running order, also by unlocking, and pulls described cutting tip assembly to carry out folding in described folded slot.
When carrying out brill pick operation, described cutting tip assembly ejects in the folded slot described dead lever 5, and rotates around described dead lever 5, moves axially in soil layer simultaneously.Soil is cut under the moment of torsion and responsive to axial force of cutting tip assembly, is destroyed and smashes to ravel under the extruding and centrifugal action of cutting tip, forms soil and flows and press to the spill guiding gutter outside described sleeve pipe 2, simultaneously along groove elevator to earth's surface.When native stream moves to without hole wall stop place, because centrifugal action hack is thrown around hole, complete whole brill pick process.
The carbide alloy Steel material that the device entirety of installation hollow columnar Fertilizer rod of the present invention can adopt mechanical property higher is made, and can be arranged to different model according to the specification difference of the hollow columnar Fertilizer rod of required installation.The device of installation hollow columnar Fertilizer rod of the present invention is a kind of specialized mean for applying of Fertilizer rod of the hollow columnar for using in afforestation, have the advantages that to integrate boring, installation function, greatly can improve discharging efficiency and assigning precision of Fertilizer rod, be conducive to the large-scale promotion application of hollow columnar Fertilizer rod.
Embodiment 2
Present invention also offers a kind of method of installing hollow columnar Fertilizer rod, described method comprises the steps:
A, basis are discharged the degree of depth and described hollow columnar Fertilizer rod 6 are placed on relevant position in sleeve pipe 2, fixed, then be inserted in hollow columnar Fertilizer rod 6 by described dead lever 5 by interlocking structure.Make cutting tip component section pass down through described locking mechanism 8 afterwards and cutting tip assembly is ejected folded slot, and described device overall structure is stood on fertilising point.
B, described bindiny mechanism 1 is connected with described sleeve pipe 2 and dead lever 5 and fixes respectively, and actuating unit is connected with described bindiny mechanism 1.Carry out brill pick severity control according to the requirement of using of described hollow columnar Fertilizer rod 6 afterwards, generally speaking, be advisable within the 10cm of ground with described sleeve pipe 2 upper end.
After C, brill pick, remove described actuating unit and bindiny mechanism, and by described locking mechanism, cutting tip member collapses is entered in folded slot; Take out described dead lever 5 afterwards, then unlock the interlocking structure of sleeve pipe 2 and arc plate is separated, and remove described sleeve pipe 2 by draw ring.
D, with soil, landfill is carried out to described hollow columnar Fertilizer rod 6, the soil bits that the brill outside hole can be utilized to dig produce in operation.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope of request of the present invention protection.
Claims (10)
1. one kind the device of hollow columnar Fertilizer rod is installed, comprise the bindiny mechanism (1) and the sleeve pipe (2) be connected with described bindiny mechanism (1) and drilling machine structure (3) that connect actuating unit, it is characterized in that: the outer wall of described sleeve pipe (2) is provided with screw-shaped cutting blade (4), described drilling machine structure (3) comprise be connected with described bindiny mechanism (1) dead lever (5), at least one group be arranged on the cutting tip assembly of described dead lever (5) lower end and the locking mechanism (8) for cutting tip assembly described in folding; When described in described locking mechanism (8) folding during cutting tip assembly, described cutting tip member collapses enters in the folded slot that is arranged on described dead lever (5).
2. device according to claim 1, is characterized in that: described bindiny mechanism (1) is circular lid-like; When described device work, described actuating unit drives described sleeve pipe (2) and drilling machine structure (3) to rotate by described bindiny mechanism (1) simultaneously.
3. device according to claim 1, it is characterized in that: described sleeve pipe (2) is the columnar structured of at least two panels arc plate composition, at least described in two panels, arc plate is fixed by interlocking structure, and after described arc plate is fixing, the screw-shaped cutting blade (4) at least on arc plate outer wall described in two panels mutually coincide and aligns.
4. the device according to claim 1 or 3, is characterized in that: the pipe thickness of described sleeve pipe (2) is 0.5 ~ 2cm, and the internal diameter of described sleeve pipe (2) matches with the external diameter of hollow columnar Fertilizer rod (6).
5. device according to claim 1, is characterized in that: the flight pitch of described screw-shaped cutting blade (4) is 1 ~ 2cm, and described sleeve pipe (2) top is provided with the draw ring for lifting described device.
6. device according to claim 1, it is characterized in that: the bottom of described dead lever (5) is sharp structure, top is column structure, and the diameter compatible of the external diameter of described dead lever (5) and hollow columnar Fertilizer rod (6) closes.
7. device according to claim 1, is characterized in that: cutting tip assembly described in a group is that at least two panels is evenly arranged on the cutting tip (7) on same principal plane.
8. device according to claim 1, it is characterized in that: described cutting tip (7) be oriented to the vertical direction of described dead lever (5) junction to be 30 ~ 45° angle, to be 45 ~ 60 ° of angles with the horizontal section of described dead lever (5).
9. device according to claim 1, it is characterized in that: when described dead lever (5) is provided with cutting tip assembly described at least two groups, at a distance of 2 ~ 4cm between described cutting tip assembly, and in described cutting tip assembly, the length of cutting tip (7) increases from bottom to top successively.
10. a method for hollow columnar Fertilizer rod is installed, it is characterized in that: described method comprises the steps:
A, basis are discharged the degree of depth and described hollow columnar Fertilizer rod (6) are placed on sleeve pipe (2) interior relevant position, fixed by interlocking structure, again described dead lever (5) is inserted in hollow columnar Fertilizer rod (6), by described locking mechanism (8), cutting tip assembly is ejected folded slot afterwards, and described device overall structure is stood on fertilising point;
B, described bindiny mechanism (1) is connected with described sleeve pipe (2) and dead lever (5) and fixes respectively, and actuating unit is connected with described bindiny mechanism (1); Brill pick is carried out afterwards according to fertilization depth;
After C, brill pick, remove described actuating unit and bindiny mechanism, and by described locking mechanism, cutting tip member collapses is entered in folded slot; Take out described dead lever (5) afterwards, remove described sleeve pipe (2);
D, with soil, landfill is carried out to described hollow columnar Fertilizer rod (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410843913.XA CN104541713B (en) | 2014-12-30 | 2014-12-30 | A kind of device and method installing hollow columnar Fertilizer rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410843913.XA CN104541713B (en) | 2014-12-30 | 2014-12-30 | A kind of device and method installing hollow columnar Fertilizer rod |
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| Publication Number | Publication Date |
|---|---|
| CN104541713A true CN104541713A (en) | 2015-04-29 |
| CN104541713B CN104541713B (en) | 2016-08-17 |
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| CN201410843913.XA Active CN104541713B (en) | 2014-12-30 | 2014-12-30 | A kind of device and method installing hollow columnar Fertilizer rod |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024023593A1 (en) * | 2022-07-25 | 2024-02-01 | Newdelman Mitchell J | Sub-surface injection system for subsurface blending and horizon creation |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090044975A1 (en) * | 2007-08-14 | 2009-02-19 | Bilak Ronald E | Subterranean material dispensing apparatus and method |
| WO2012173868A1 (en) * | 2011-06-14 | 2012-12-20 | Drexel University | Reciprocating metering device |
| CN202998827U (en) * | 2013-01-09 | 2013-06-19 | 河南誉中奥农业科技有限公司 | Fertilizing tool |
| CN103444310A (en) * | 2013-06-26 | 2013-12-18 | 西北农林科技大学 | Cylinder type digging and fertilizing soil covering device |
| CN203646016U (en) * | 2013-12-31 | 2014-06-18 | 福建省农业科学院畜牧兽医研究所 | Rotary hole digging drill |
| CN203646043U (en) * | 2013-12-31 | 2014-06-18 | 长沙伟诺机电有限公司 | Orchard fertilizing device |
| CN203675574U (en) * | 2014-01-03 | 2014-07-02 | 西北农林科技大学 | Spiral drill of orchard trenching fertilizer applicator |
| CN204014474U (en) * | 2014-07-04 | 2014-12-17 | 湖南省烟草公司湘西自治州公司 | The portable device that precisely topdresses |
| CN204377406U (en) * | 2014-12-30 | 2015-06-10 | 北京东方园林股份有限公司 | A kind of device installing hollow columnar Fertilizer rod |
-
2014
- 2014-12-30 CN CN201410843913.XA patent/CN104541713B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090044975A1 (en) * | 2007-08-14 | 2009-02-19 | Bilak Ronald E | Subterranean material dispensing apparatus and method |
| WO2012173868A1 (en) * | 2011-06-14 | 2012-12-20 | Drexel University | Reciprocating metering device |
| CN202998827U (en) * | 2013-01-09 | 2013-06-19 | 河南誉中奥农业科技有限公司 | Fertilizing tool |
| CN103444310A (en) * | 2013-06-26 | 2013-12-18 | 西北农林科技大学 | Cylinder type digging and fertilizing soil covering device |
| CN203646016U (en) * | 2013-12-31 | 2014-06-18 | 福建省农业科学院畜牧兽医研究所 | Rotary hole digging drill |
| CN203646043U (en) * | 2013-12-31 | 2014-06-18 | 长沙伟诺机电有限公司 | Orchard fertilizing device |
| CN203675574U (en) * | 2014-01-03 | 2014-07-02 | 西北农林科技大学 | Spiral drill of orchard trenching fertilizer applicator |
| CN204014474U (en) * | 2014-07-04 | 2014-12-17 | 湖南省烟草公司湘西自治州公司 | The portable device that precisely topdresses |
| CN204377406U (en) * | 2014-12-30 | 2015-06-10 | 北京东方园林股份有限公司 | A kind of device installing hollow columnar Fertilizer rod |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024023593A1 (en) * | 2022-07-25 | 2024-02-01 | Newdelman Mitchell J | Sub-surface injection system for subsurface blending and horizon creation |
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| CN104541713B (en) | 2016-08-17 |
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