CN114248317A - Wood fixed-length measurement and cut-off control device and method for felling machine - Google Patents
Wood fixed-length measurement and cut-off control device and method for felling machine Download PDFInfo
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- CN114248317A CN114248317A CN202111313444.7A CN202111313444A CN114248317A CN 114248317 A CN114248317 A CN 114248317A CN 202111313444 A CN202111313444 A CN 202111313444A CN 114248317 A CN114248317 A CN 114248317A
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- Prior art keywords
- oil
- length
- felling
- wood
- main pump
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27B27/00—Guide fences or stops for timber in saw mills or sawing machines; Measuring equipment thereon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27B25/00—Feeding devices for timber in saw mills or sawing machines; Feeding devices for trees
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/06—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness specially adapted for measuring length or width of objects while moving
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Debarking, Splitting, And Disintegration Of Timber (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a cut-off control device and a cut-off control method for fixed-length measurement of wood of a felling machine in the technical field of hydraulic control of felling machinery, wherein the cut-off control device comprises the following steps: a driving section outputting a driving signal; the feeding part drives the wood to be fed based on the driving signal; a length sensor for making a feed length measurement based on the process of wood feeding; the device also comprises a length measuring oil cylinder and an energy-absorbing device, a piston rod of the length measuring oil cylinder is connected with a length sensor, and the length sensor adjusts the oil pressure of a cavity of the length measuring oil cylinder through the energy-absorbing device and keeps against wood. According to the invention, the length measuring oil cylinder is dynamically compensated by the energy accumulator, so that the length sensor is kept in tight contact with the wood when the diameter of the wood is changed, and the real-time measurement and accurate control of the length are realized.
Description
Technical Field
The invention relates to a fixed-length measurement and truncation control device and method for lumbers of felling machines, and belongs to the technical field of hydraulic control of felling machines.
Background
Along with the improvement of forestry felling safety requirement, and the improvement of efficiency, more and more mechanical automation equipment is used in forestry felling occasion, when improving felling efficiency, felling quality, reduced the amount of labour, guaranteed felling safety, nevertheless because the diameter of timber different positions is different, cut the in-process of measuring when timber according to appointed length, current mechanical automation equipment can't measure the adjustment according to the timber different positions, lead to actual timber to cut the length precision relatively poor.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a cut-off control device and method for wood fixed-length measurement of a felling machine.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme:
in a first aspect, the invention provides a cut-off control device for measuring a wood fixed length of a feller, which comprises:
a driving section outputting a driving signal;
the feeding part drives the wood to be fed based on the driving signal;
a length sensor for making a feed length measurement based on the process of wood feeding;
the device also comprises a length measuring oil cylinder and an energy-absorbing device, a piston rod of the length measuring oil cylinder is connected with a length sensor, and the length sensor adjusts the oil pressure of a cavity of the length measuring oil cylinder through the energy-absorbing device and keeps against wood.
Further, the driving part comprises a main pump and a hydraulic oil tank, and an oil inlet of the main pump is connected with the hydraulic oil tank.
Furthermore, the device also comprises a felling part connected with the main pump through an oil way, oil inlets of the felling part and the feeding part and the oil way connected with an oil outlet of the main pump are respectively provided with a control valve, the control valves conduct and shut off the oil way based on a control program, and oil outlet of the felling part and the feeding part returns to the hydraulic oil tank through the control valves.
Furthermore, the felling part comprises a felling motor, a saw plate is installed at the output end of the felling motor, and a felling control valve is arranged on an oil way, connected with the main pump, of the felling motor.
Further, the feeding portion comprises a feeding motor connected with the main pump through an oil path, and the oil path through which the feeding motor is connected with the main pump is provided with a feeding control valve.
Furthermore, the felling part further comprises a felling oil cylinder connected with the main pump through an oil way, a connecting rod is further mounted on the felling motor, a piston rod of the felling oil cylinder is mechanically connected with the connecting rod, and an adjusting control valve is arranged on the oil way through which the felling oil cylinder is connected with the main pump.
Furthermore, the device also comprises an overflow valve, wherein the oil outlet of the main pump is connected with the oil inlet of the overflow valve, and the oil outlet of the overflow valve is connected with a hydraulic oil tank.
Further, the length measurement hydro-cylinder is connected through the oil circuit with the main pump, and the oil circuit is provided with the measurement control valve, the length measurement hydro-cylinder includes A chamber and the B chamber separated by the piston, the measurement control valve oil return opening links to each other with the B chamber of length measurement hydro-cylinder, and the measurement control valve oil inlet links to each other with the A chamber of length measurement hydro-cylinder, the A chamber of length measurement hydro-cylinder links to each other with the energy storage ware simultaneously, the body of rod of piston rod is located the B intracavity.
In a second aspect, the invention provides a method for measuring and cutting off the wood of a felling machine in a fixed length manner, which comprises the following steps:
outputting a driving signal through a driving part;
the wood is driven to be fed through a feeding part based on a driving signal;
measuring the feeding length of the wood during the feeding process by a length sensor;
the length sensor is connected to a piston rod of a length measuring oil cylinder, and the length sensor adjusts the oil pressure of a cavity of the length measuring oil cylinder through an energy absorber and keeps against wood.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, wood feeding is realized through the rotation of the feeding motor, the energy accumulator is connected with the length measuring oil cylinder, the oil in the large cavity of the length measuring oil cylinder can be dynamically compensated by the energy accumulator in the process of changing the diameter of the wood, the length sensor is ensured to be always tightly propped against the wood, the real-time measurement and accurate control of the length of the wood are realized, the structure is simple and reliable, the universality is good, and the method is suitable for industrial popularization and application.
Drawings
Fig. 1 is a schematic view of a cut-off control device for measuring a wood fixed length of a feller according to an embodiment of the present invention.
In the figure: 1. a hydraulic oil tank; 2. a main pump; 3. an overflow valve; 4. a first feed motor; 5. a second feed motor; 6. a felling control valve; 7. a felling motor; 8. a felling oil cylinder; 9. an accumulator; 10. a length sensor; 11. a length measuring cylinder; 12. a measurement control valve; 13. a feed control valve; 14. adjusting the control valve; 15. sawing a plate; 16. a connecting rod.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The first embodiment is as follows:
a cut-off control device for fixed-length measurement of woods of a felling machine mainly comprises a hydraulic oil tank 1, a main pump 2, an overflow valve 3, a first feeding motor 4, a second feeding motor 5, a felling control valve 6, a felling motor 7, a felling oil cylinder 8, an energy accumulator 9, a length sensor 10, a length measuring oil cylinder 11, a measuring control valve 12, a feeding control valve 13 and an adjusting control valve 14, wherein a lower side oil port of the main pump 2 is connected with the hydraulic oil tank 1, an upper side oil port of the main pump 2 is connected with a left oil port of the overflow valve 3, a right oil port of the overflow valve 3 is connected with the hydraulic oil tank 1, an upper side oil port of the main pump 2 is connected with a lower side oil port of the felling control valve 6, an upper side oil port of the felling control valve 6 is connected with a left and right oil ports of the felling motor 7, a right side oil port of the felling motor 7 is connected with the hydraulic oil tank 1, a connecting rod 16 and a saw board 15 are installed on the felling motor 7, an upper side oil port of the main pump 2 is connected with a left end oil port of the measuring control valve 12, a right end oil port on the lower side of a measurement control valve 12 is connected with a hydraulic oil tank 1, a left end oil port on the upper side of the measurement control valve 12 is connected with a cavity B of a length measurement oil cylinder 11, a right end oil port on the upper side of the measurement control valve 12 is connected with a cavity A of the length measurement oil cylinder 11, the cavity A of the length measurement oil cylinder 11 is simultaneously connected with an energy accumulator 9, a lower end piston rod of the length measurement oil cylinder 11 is mechanically connected with a length sensor 10, an upper side oil outlet of a main pump 2 is connected with a left end oil port on the lower side of a feed control valve 13, a right end oil port on the lower side of the feed control valve 13 is connected with the hydraulic oil tank 1, an upper side left end oil port of the feed control valve 13 is connected with a right side oil port of a first feed motor 4, an upper side left end oil port of the feed control valve 13 is simultaneously connected with a right side oil port of a second feed motor 5, an upper side right end oil port of the feed control valve 13 is simultaneously connected with a left side oil port of the first feed motor 4, an oil outlet on the upper side of the main pump 2 is connected with an oil port on the left side of the lower side of the adjusting control valve 14, an oil port on the right side of the lower side of the adjusting control valve 14 is connected with the hydraulic oil tank 1, an oil port on the left side of the upper side of the adjusting control valve 14 is connected with a D cavity of the felling oil cylinder 8, an oil port on the right side of the upper side of the adjusting control valve 14 is connected with a C cavity of the felling oil cylinder 8, and a piston rod on the lower side of the felling oil cylinder 8 is mechanically connected with a connecting rod 16.
The working principle is as follows:
when logging starts, the main pump 2 works, output hydraulic oil enters the cavity A of the length measuring oil cylinder 11 after passing through the measuring control valve 12, the length measuring oil cylinder 11 is driven to drive the length sensor 10 to move, the length sensor 10 is tightly propped against wood, meanwhile, the main pump 2 outputs the hydraulic oil to charge the energy accumulator 9, and the energy accumulator 9 is short in oil charging time at millisecond level, so that detection and control are not needed. The control program controls the electromagnet on the left side of the feeding control valve 13 to be electrified, the electromagnet on the left side works, the main pump 2 outputs hydraulic oil, the hydraulic oil enters the right side of the first feeding motor 4 and the right side of the second feeding motor 5 through the left side of the feeding control valve 13 to drive the two motors to synchronously rotate, the two motors rotate to realize wood feeding, the diameter of wood is reduced in the feeding process of wood, the hydraulic oil in the energy accumulator 9 can be quickly supplemented into the cavity A of the length measuring oil cylinder 11, when the diameter of wood is reduced, the length sensor 10 cannot be immediately propped against the wood, the pressure of the cavity A of the length measuring oil cylinder 11 is quickly reduced, the pressure in the energy accumulator 9 is higher than the pressure of the cavity A, detection is not needed on the same oil line, the high-pressure oil in the energy accumulator 9 can automatically flow to the cavity A, a piston rod in the length measuring oil cylinder 11 continuously extends outwards to prop the length sensor 10 against the wood again, and when the diameter of the wood is increased, the pressure of the cavity A of the length measuring oil cylinder 11 rises rapidly, the pressure in the energy accumulator 9 is lower than the pressure of the cavity A, the hydraulic oil of the cavity A flows to the energy accumulator 9, a piston rod in the length measuring oil cylinder 11 retracts inwards to ensure that wood is fed normally, the energy accumulator 9 has the function of ensuring that the length sensor 10 is pressed against the wood at any moment in the wood changing process, in order to ensure that the length sensor 10 is pressed against the wood at any moment, the feeding length of the wood is measured through the length sensor 10, when the set length is reached, the electromagnet on the left side of the feeding control valve 13 is powered off, oil paths from the main pump 2 to the first feeding motor 4 and the second feeding motor 5 are cut off, the first feeding motor 4 and the second feeding motor 5 stop rotating, the wood is not fed any more, the electromagnet on the right side of the control valve 14 is adjusted to be powered on, the main pump 2 outputs the hydraulic oil, and enters the cavity C of the fell oil cylinder 8 through the right position of the adjustment control valve 14, the felling oil cylinder 8 is driven to adjust a saw plate 15 arranged on the felling motor 7 through a connecting rod 16, so that the saw plate 15 is pushed to the wood. Simultaneously the electricity is got to the electromagnetism on the control valve 6 of logging, the work of the 6 left positions of control valve of logging, 2 output hydraulic oil of main pump gets into the motor 7 of logging through the 6 left side positions of control valve of logging, drive motor 7 of logging rotates, the motor 7 of logging rotates and drives saw blade rotation on the saw board 15, carry out timber and cut, when timber hardness is too high, when the saw blade can't rotate, 2 output hydraulic oil of main pump get into hydraulic tank after through overflow valve 3, play system safety protection effect.
Example two:
a cut-off control method for fixed-length measurement of wood of a felling machine comprises the following steps:
outputting a driving signal through a driving part;
the wood is driven to be fed through a feeding part based on a driving signal;
measuring the feeding length of the wood during the feeding process by a length sensor;
the length sensor is connected to a piston rod of a length measuring oil cylinder, and the length sensor adjusts the oil pressure of a cavity of the length measuring oil cylinder through an energy absorber and keeps against wood.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a felling machines timber fixed length is measured and is cut controlling means which characterized by includes:
a driving section outputting a driving signal;
the feeding part drives the wood to be fed based on the driving signal;
a length sensor for making a feed length measurement based on the process of wood feeding;
the device also comprises a length measuring oil cylinder and an energy-absorbing device, a piston rod of the length measuring oil cylinder is connected with a length sensor, and the length sensor adjusts the oil pressure of a cavity of the length measuring oil cylinder through the energy-absorbing device and keeps against wood.
2. The felling machine wood fixed-length measurement cut-off control device as claimed in claim 1, wherein the driving part comprises a main pump and a hydraulic oil tank, and an oil inlet of the main pump is connected with the hydraulic oil tank.
3. The felling machine wood fixed-length measurement cut-off control device as claimed in claim 2, wherein the device further comprises a felling part connected with the main pump through an oil way, the oil ways of the felling part and the feeding part, which are connected with the oil outlet of the main pump, are provided with control valves, the control valves conduct and close the oil way based on a control program, and the oil outlet of the felling part and the feeding part returns to the hydraulic oil tank through the control valves.
4. The felling machine wood fixed-length measurement cut-off control device as claimed in claim 3, wherein the felling part comprises a felling motor, a saw plate is mounted at the output end of the felling motor, and a felling control valve is arranged on an oil way of the felling motor, which is connected with a main pump.
5. The feller wood fixed-length measurement cut-off control device as claimed in claim 3, wherein the feeding part comprises a feeding motor connected with the main pump through an oil path, and the oil path of the feeding motor connected with the main pump is provided with a feeding control valve.
6. The felling machine tool wood fixed-length measurement cut-off control device as claimed in claim 4, wherein the felling portion further comprises a felling oil cylinder connected with the main pump through an oil path, a connecting rod is further mounted on the felling motor, a piston rod of the felling oil cylinder is mechanically connected with the connecting rod, and the oil path of the felling oil cylinder connected with the main pump is provided with a regulating control valve.
7. The log fixed-length measurement cut-off control device of the feller as claimed in claim 2, wherein the device further comprises an overflow valve, an oil outlet of the main pump is connected with an oil inlet of the overflow valve, and an oil outlet of the overflow valve is connected with a hydraulic oil tank.
8. The felling machine wood fixed-length measurement cut-off control device as claimed in claim 2, wherein the length measurement cylinder is connected with the main pump through an oil path, the oil path is provided with a measurement control valve, the length measurement cylinder comprises a cavity A and a cavity B which are separated by a piston, an oil return port of the measurement control valve is connected with the cavity B of the length measurement cylinder, an oil inlet of the measurement control valve is connected with the cavity A of the length measurement cylinder, the cavity A of the length measurement cylinder is simultaneously connected with an energy accumulator, and a rod body of the piston rod is located in the cavity B.
9. A cut-off control method for fixed-length measurement of wood of felling machines is characterized by comprising the following steps:
outputting a driving signal through a driving part;
the wood is driven to be fed through a feeding part based on a driving signal;
measuring the feeding length of the wood during the feeding process by a length sensor;
the length sensor is connected to a piston rod of a length measuring oil cylinder, and the length sensor adjusts the oil pressure of a cavity of the length measuring oil cylinder through an energy absorber and keeps against wood.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111313444.7A CN114248317A (en) | 2021-11-08 | 2021-11-08 | Wood fixed-length measurement and cut-off control device and method for felling machine |
| PCT/CN2022/112361 WO2023077906A1 (en) | 2021-11-08 | 2022-08-15 | Apparatus and method for controlling fixed-length measurement and cutting of wood for lumbering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111313444.7A CN114248317A (en) | 2021-11-08 | 2021-11-08 | Wood fixed-length measurement and cut-off control device and method for felling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114248317A true CN114248317A (en) | 2022-03-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111313444.7A Pending CN114248317A (en) | 2021-11-08 | 2021-11-08 | Wood fixed-length measurement and cut-off control device and method for felling machine |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114248317A (en) |
| WO (1) | WO2023077906A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023077906A1 (en) * | 2021-11-08 | 2023-05-11 | 徐州徐工挖掘机械有限公司 | Apparatus and method for controlling fixed-length measurement and cutting of wood for lumbering machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1341031A1 (en) * | 1985-12-11 | 1987-09-30 | Центральный Научно-Исследовательский И Проектно-Конструкторский Институт Механизации И Энергетики Лесной Промышленности | Device for measuring standard lengths in transverse cutting of timber |
| DE20007806U1 (en) * | 2000-05-03 | 2000-11-23 | AVOLA Maschinenfabrik A. Volkenborn GmbH & Co KG, 45527 Hattingen | Length measuring device |
| CN2886573Y (en) * | 2006-03-31 | 2007-04-04 | 江苏江佳机械有限公司 | Detector for timber to be cut |
| CN201086095Y (en) * | 2007-09-20 | 2008-07-16 | 攀枝花新钢钒股份有限公司 | Vertical Rolling Mill with Side Pressing Device |
| CN206223132U (en) * | 2016-11-29 | 2017-06-06 | 重庆鸽牌电工材料有限公司 | Tubing production length metering device |
| CN109099016A (en) * | 2018-09-14 | 2018-12-28 | 徐州徐工基础工程机械有限公司 | Active Compensation formula flexibility follows hydraulic system, working method and tunnel descaling machine |
| CN110024656A (en) * | 2019-04-01 | 2019-07-19 | 柳州柳工挖掘机有限公司 | For combining the method and apparatus felled head and fell timber measurement |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| SU1013274A1 (en) * | 1981-07-06 | 1983-04-23 | Карельский научно-исследовательский институт лесной промышленности | Apparatus for measuring-out standard timber lengths |
| SE435348B (en) * | 1983-02-17 | 1984-09-24 | Osa Ab | PROCEDURE AND DEVICE FOR CUTTING OF TREES IN CERTAIN LENGTHS |
| SU1242359A1 (en) * | 1984-12-18 | 1986-07-07 | Свердловское Научно-Производственное Лесозаготовительное Объединение | Apparatus for measuring out the lengths of cut timber |
| SU1604612A1 (en) * | 1988-12-06 | 1990-11-07 | Центральный Научно-Исследовательский И Проектно-Конструкторский Институт Механизации И Энергетики Лесной Промышленности | Arrangement for measuring lengths of timber |
| CN111516769B (en) * | 2020-05-12 | 2023-11-17 | 三一重机有限公司 | Track tensioning device and track type engineering machinery |
| CN114248317A (en) * | 2021-11-08 | 2022-03-29 | 徐州徐工挖掘机械有限公司 | Wood fixed-length measurement and cut-off control device and method for felling machine |
-
2021
- 2021-11-08 CN CN202111313444.7A patent/CN114248317A/en active Pending
-
2022
- 2022-08-15 WO PCT/CN2022/112361 patent/WO2023077906A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| SU1341031A1 (en) * | 1985-12-11 | 1987-09-30 | Центральный Научно-Исследовательский И Проектно-Конструкторский Институт Механизации И Энергетики Лесной Промышленности | Device for measuring standard lengths in transverse cutting of timber |
| DE20007806U1 (en) * | 2000-05-03 | 2000-11-23 | AVOLA Maschinenfabrik A. Volkenborn GmbH & Co KG, 45527 Hattingen | Length measuring device |
| CN2886573Y (en) * | 2006-03-31 | 2007-04-04 | 江苏江佳机械有限公司 | Detector for timber to be cut |
| CN201086095Y (en) * | 2007-09-20 | 2008-07-16 | 攀枝花新钢钒股份有限公司 | Vertical Rolling Mill with Side Pressing Device |
| CN206223132U (en) * | 2016-11-29 | 2017-06-06 | 重庆鸽牌电工材料有限公司 | Tubing production length metering device |
| CN109099016A (en) * | 2018-09-14 | 2018-12-28 | 徐州徐工基础工程机械有限公司 | Active Compensation formula flexibility follows hydraulic system, working method and tunnel descaling machine |
| CN110024656A (en) * | 2019-04-01 | 2019-07-19 | 柳州柳工挖掘机有限公司 | For combining the method and apparatus felled head and fell timber measurement |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023077906A1 (en) * | 2021-11-08 | 2023-05-11 | 徐州徐工挖掘机械有限公司 | Apparatus and method for controlling fixed-length measurement and cutting of wood for lumbering machine |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023077906A1 (en) | 2023-05-11 |
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