CA1158093A - Machine for preparing forest soil - Google Patents
Machine for preparing forest soilInfo
- Publication number
- CA1158093A CA1158093A CA000362789A CA362789A CA1158093A CA 1158093 A CA1158093 A CA 1158093A CA 000362789 A CA000362789 A CA 000362789A CA 362789 A CA362789 A CA 362789A CA 1158093 A CA1158093 A CA 1158093A
- Authority
- CA
- Canada
- Prior art keywords
- machine
- preparing
- arm
- arms
- traction vehicle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B35/00—Other machines for working soil not specially adapted for working soil on which crops are growing
- A01B35/16—Other machines for working soil not specially adapted for working soil on which crops are growing with rotating or circulating non-propelled tools
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Soil Working Implements (AREA)
- Agricultural Machines (AREA)
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
Abstract
ABSTRACT OF THE DISCLOSURE
A machine for preparing forest soil, with two working elements each of which arranged at the end of an arm connected to a traction vehicle and extending backwards and outwards therefrom.
The arms are connected to the vehicle by means of a hinge so directed that the arms converge when being lifted up thereby facilitating transportation of the machine.
A machine for preparing forest soil, with two working elements each of which arranged at the end of an arm connected to a traction vehicle and extending backwards and outwards therefrom.
The arms are connected to the vehicle by means of a hinge so directed that the arms converge when being lifted up thereby facilitating transportation of the machine.
Description
1 Th~ present inven-tion relates to a rnachine Eor pre-parin~ forest soil comprising preEerably two preparing elements, each of said elements being fastened in an outwards plo~7iny posi~ion in the end of an arm ex-tencling backwards and outwards from a traction vehicle.
In ord~r to facilitate forest cul-tivation, to ensure a successful cultivation and to improve the growth of tree plants, soil preparation has proved to be a useEul, often even in-dispensable measure.
Machines for preparing forest soil are available in a number of di~ferent constructions, and also the operatingprinciples of the machines vary greatly. Many of these soil preparing machines are connec-ted to the rear part of a forest tractor and make two separate preparing furrows during one turn.
The distance between the planting rows for plants of forest trees often exceeds 2 meters. Because the machines for pre-paring forest soil always are large and heavy and are often on the sides provided with spring and adjusting means and, for example, the big discs in a disc plow in general are outwards inclin~d, the width of a two-row preparing machine for forest soil is quite large in the working position. In the working position, the large w:idth causes no problem because there is plenty of space in the denuded regeneration areas in a forest. During transports and transfers, a width of the preparing machine exceeding that of the traction vehicle in many ways is ln-convenient. When driving on forest roads, a wide machine may hit against the tree stand growing on the sides, and on public roads a special permit is required for the transfer of overwide working machines.
Therefore, in many preparing machines for forest soil 80~3 t a special aggregate is built in, Eor example, an articulated system provided with manouver cylinders or with a slide bar, or any other system in order to reduce the width of the soil preparing machine during trans~er. In the preparation of forest soil, the agyregates are subjec-t to great stressing forces, wherefore the constructions needed ~or reducing the width in general are expensive or inconvenient and slow in use.
It is the object of the present invention to eliminate said disadvantages and, by means of a simple construc-tions, to make the machine converge in transport position and at the same time to improve the ability of the soil preparing machine to keep clear of obstacles in the ground.
This object is achieved by means of a preparing machine for forest soil according to the invention which is characterized in that each of said arms is in its front end hingedly coupled to the traction vehicle for relative rotation thereof about an axis which forms an acute angle botn with the horizontal plane and with a vertical plane perpendicular to the driving direction of the vehicle so that the inner end of said axis is directed ~ downwards from the horizontal plane and backwards from said vertical plane perpendicular to the driving d~rection of the machine.
By means of the invention it is in a considerably simpler manner than hitherto possible to achieve that the arms in the working position have the required working width and, when lifted up, converge to~ards each other and the center line of the vehicle, due to which the entire machine will be narrower than the traction vehicle.
When the soil preparing element passes over an obstacle, stone, or stump in its way, its path of movement extends , 1 1 5809~
1 u~wards and inwards, which makes it easier for the preparing element located outwards in plowing angle -to pass ov~r ~he ob-stacle, while reducing the resistance to traction and risk of breakage.
Said angles are preferably about 5 to 30, and they can also be adjus-table.
The prepaxing element, which in general comprises a freely rotating or positively rotated disc, together with the fastenin~ arm form a heavy unit, which in many cases can by its own weight remain in the working position. By providing the arm, for example, with a pressure driven working cy]inder acting across the fastening hinged linkage of said arm, the preparing element can be resiliently pressed against the ground with a desired additional force and the same cylinder can advantageously be used also for lifting the arms up.
The invention will be described in-the following with reference to an embodiment which is schematically shown in the accompanying drawing.
Figure 1 is a rear view of the machine in working position, Figure 2 is a top view of the machine in worklng position, and Figure 3 is a rear view oE the machine when lifted up.
Reference numeral 1 denotes a frame which is connected to a tractor or any other traction vehicle and to which the soil preparing machine itself is intended to be fastened. The soil preparing machine comprises two arms 2, 3 fastened to the frame 1 and to the rear end whereof are fastened the soil preparing 1 elemellts comprising cliscs known per se provided with -too-thed edges. Each arm 2, 3 is in its front end fastened by me~ns of a hin~e 6 and 7, respective:ly, to the fas-tening frame. The axes 8 and 9 of ~he hinges 6 and 7, respectively, form an acute anglec~ B, on one hand, with the horizontal plane and, on the other hand, with a vertical plane perpendicular to the driving direc~ion of the vellicle. The inner end of the axes 8 and 9 is located under said horizontal plane and likewise behind said vertical plane. Across the hinges 6 and 7 are arranged to act preferably hydraulically driven working cylinders 10 and 11, respectively, which, on one hand, press the arms 2 and 3 resiliently agains-t the ground .in the working position of the machine and, on the other hand, are capable of li~ting up said arms. As far as the preparing operation itself is concerned, the machine operates in a manner known per se wherefore it is not considered necessary to discussed in detail.
In ord~r to facilitate forest cul-tivation, to ensure a successful cultivation and to improve the growth of tree plants, soil preparation has proved to be a useEul, often even in-dispensable measure.
Machines for preparing forest soil are available in a number of di~ferent constructions, and also the operatingprinciples of the machines vary greatly. Many of these soil preparing machines are connec-ted to the rear part of a forest tractor and make two separate preparing furrows during one turn.
The distance between the planting rows for plants of forest trees often exceeds 2 meters. Because the machines for pre-paring forest soil always are large and heavy and are often on the sides provided with spring and adjusting means and, for example, the big discs in a disc plow in general are outwards inclin~d, the width of a two-row preparing machine for forest soil is quite large in the working position. In the working position, the large w:idth causes no problem because there is plenty of space in the denuded regeneration areas in a forest. During transports and transfers, a width of the preparing machine exceeding that of the traction vehicle in many ways is ln-convenient. When driving on forest roads, a wide machine may hit against the tree stand growing on the sides, and on public roads a special permit is required for the transfer of overwide working machines.
Therefore, in many preparing machines for forest soil 80~3 t a special aggregate is built in, Eor example, an articulated system provided with manouver cylinders or with a slide bar, or any other system in order to reduce the width of the soil preparing machine during trans~er. In the preparation of forest soil, the agyregates are subjec-t to great stressing forces, wherefore the constructions needed ~or reducing the width in general are expensive or inconvenient and slow in use.
It is the object of the present invention to eliminate said disadvantages and, by means of a simple construc-tions, to make the machine converge in transport position and at the same time to improve the ability of the soil preparing machine to keep clear of obstacles in the ground.
This object is achieved by means of a preparing machine for forest soil according to the invention which is characterized in that each of said arms is in its front end hingedly coupled to the traction vehicle for relative rotation thereof about an axis which forms an acute angle botn with the horizontal plane and with a vertical plane perpendicular to the driving direction of the vehicle so that the inner end of said axis is directed ~ downwards from the horizontal plane and backwards from said vertical plane perpendicular to the driving d~rection of the machine.
By means of the invention it is in a considerably simpler manner than hitherto possible to achieve that the arms in the working position have the required working width and, when lifted up, converge to~ards each other and the center line of the vehicle, due to which the entire machine will be narrower than the traction vehicle.
When the soil preparing element passes over an obstacle, stone, or stump in its way, its path of movement extends , 1 1 5809~
1 u~wards and inwards, which makes it easier for the preparing element located outwards in plowing angle -to pass ov~r ~he ob-stacle, while reducing the resistance to traction and risk of breakage.
Said angles are preferably about 5 to 30, and they can also be adjus-table.
The prepaxing element, which in general comprises a freely rotating or positively rotated disc, together with the fastenin~ arm form a heavy unit, which in many cases can by its own weight remain in the working position. By providing the arm, for example, with a pressure driven working cy]inder acting across the fastening hinged linkage of said arm, the preparing element can be resiliently pressed against the ground with a desired additional force and the same cylinder can advantageously be used also for lifting the arms up.
The invention will be described in-the following with reference to an embodiment which is schematically shown in the accompanying drawing.
Figure 1 is a rear view of the machine in working position, Figure 2 is a top view of the machine in worklng position, and Figure 3 is a rear view oE the machine when lifted up.
Reference numeral 1 denotes a frame which is connected to a tractor or any other traction vehicle and to which the soil preparing machine itself is intended to be fastened. The soil preparing machine comprises two arms 2, 3 fastened to the frame 1 and to the rear end whereof are fastened the soil preparing 1 elemellts comprising cliscs known per se provided with -too-thed edges. Each arm 2, 3 is in its front end fastened by me~ns of a hin~e 6 and 7, respective:ly, to the fas-tening frame. The axes 8 and 9 of ~he hinges 6 and 7, respectively, form an acute anglec~ B, on one hand, with the horizontal plane and, on the other hand, with a vertical plane perpendicular to the driving direc~ion of the vellicle. The inner end of the axes 8 and 9 is located under said horizontal plane and likewise behind said vertical plane. Across the hinges 6 and 7 are arranged to act preferably hydraulically driven working cylinders 10 and 11, respectively, which, on one hand, press the arms 2 and 3 resiliently agains-t the ground .in the working position of the machine and, on the other hand, are capable of li~ting up said arms. As far as the preparing operation itself is concerned, the machine operates in a manner known per se wherefore it is not considered necessary to discussed in detail.
Claims (9)
1. A machine for preparing forest soil comprising preferably two preparing elements, each of said elements being fastened in an outwards plowing position at the end of an arm extending back-wards and outwards from a traction vehicle, characterized in that each of said arms is in its front end hingedly coupled to the traction vehicle for relative rotation thereof about an axis which forms an acute angle both with the horizontal plane and with a vertical plane perpendicular to the driving direction of said vehicle so that the inner end of said axis is directed downwards from the horizontal plane and backwards from said vertical plane.
2. A machine as claimed in claim 1 wherein said traction vehicle includes a frame connected thereto, each of said arms extending backwards and outwards from said frame with said arms being hingedly coupled to the traction vehicle by being hingedly coupled to said frame.
3. A machine as claimed in claim 1, wherein said angles are adjustable.
4. A machine as claimed in claim 2, wherein said angles are adjustable.
5. A machine as claimed in claim 1, 2 or 3 wherein that said angles are about 5° to 30°.
6. A machine as claimed in claim 1 wherein means are provided to rotate each arm about its respective axis to resiliently press the arm and its respective preparing element against the ground.
7. A machine as claimed in claim 6 wherein said means comprise a pressure driven working cylinder.
8. A machine as claimed in claim 2, 3 or 4 wherein means are provided to rotate each arm about its respective axis to resiliently press the arm and its respective preparing element against the ground.
9. A machine as claimed in claim 1, 2 or 6 wherein each of said arms being rotatable about its respective axis for movement between a raised transport position and a lowered soil preparing position, each arm in said soil preparing position extending laterally outwards from the traction vehicle a greater extent than in said transport position.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI793260 | 1979-10-19 | ||
| FI793260A FI63317C (en) | 1979-10-19 | 1979-10-19 | ANORDNING FOER BEREDNING AV SKOGSMARK |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1158093A true CA1158093A (en) | 1983-12-06 |
Family
ID=8512970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000362789A Expired CA1158093A (en) | 1979-10-19 | 1980-10-20 | Machine for preparing forest soil |
Country Status (3)
| Country | Link |
|---|---|
| CA (1) | CA1158093A (en) |
| FI (1) | FI63317C (en) |
| SE (1) | SE443070B (en) |
-
1979
- 1979-10-19 FI FI793260A patent/FI63317C/en not_active IP Right Cessation
-
1980
- 1980-03-24 SE SE8002257A patent/SE443070B/en not_active IP Right Cessation
- 1980-10-20 CA CA000362789A patent/CA1158093A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FI63317B (en) | 1983-02-28 |
| SE443070B (en) | 1986-02-17 |
| SE8002257L (en) | 1981-04-20 |
| FI793260A (en) | 1981-04-20 |
| FI63317C (en) | 1983-06-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |