CN111133978A - Forestry is with safe device of lumbering - Google Patents
Forestry is with safe device of lumbering Download PDFInfo
- Publication number
- CN111133978A CN111133978A CN202010160933.2A CN202010160933A CN111133978A CN 111133978 A CN111133978 A CN 111133978A CN 202010160933 A CN202010160933 A CN 202010160933A CN 111133978 A CN111133978 A CN 111133978A
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- rotating
- shaft
- bevel gear
- spline
- cavity
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G23/00—Forestry
- A01G23/02—Transplanting, uprooting, felling or delimbing trees
- A01G23/099—Auxiliary devices, e.g. felling wedges
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G23/00—Forestry
- A01G23/02—Transplanting, uprooting, felling or delimbing trees
- A01G23/08—Felling trees
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- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Environmental Sciences (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a safe felling device for forestry, which comprises a device main body, wherein the upper end of the device main body is rotatably provided with a turnover body through a turnover shaft, the turnover shaft is rotatably arranged in the device main body, the turnover body is fixedly arranged on the turnover shaft, the turnover body and the device main body are both provided with clamping devices, the device can be arranged on the periphery of a tree to be felled, the threaded drill bit is used for drilling into the ground surface, the installation stability of the device main body and the turnover body is improved, the stability of the device main body is enhanced by the stabilizing device when the tree is felled, secondly, all be provided with clamping device on device main part and the turning body, the stability of trees when keeping trees cutting avoids the damage of electric saw blade, improves trees efficiency of felling, and the trees after the cutting drive gently through the turning body and fall, security when improving personnel fell, and the angle when making trees fall is controllable.
Description
Technical Field
The invention relates to the technical field of wood, in particular to a safe felling device for forestry.
Background
The wood generally refers to a wooden material used for civil and industrial buildings, and is generally divided into soft wood and hard wood, the wood used in engineering is mainly taken from a trunk part in a tree, so the taking of the trunk is the primary procedure in the wood processing process, the traditional wood felling is mainly that fellers cut the bottom of the tree through a felling tool, the position where the tree is toppled over is often determined firstly when the tree is cut, but the toppled over direction is determined manually and then toppled over by depending on the self weight of the tree, the toppled over direction is uncertain, the self weight of the tree is large, the impact force on the ground when the tree is toppled over is large, and certain potential safety hazards exist. The present invention sets forth a device that solves the above problems.
Disclosure of Invention
The technical problem is as follows:
traditional timber is cut mainly is that the bottom cutting of felling personnel through the lumbering instrument with trees, and the direction is emptyd to trees has the uncertainty, and the self weight of trees is big, and is big to the impact force on ground when emptying, has certain potential safety hazard.
The safe felling device for the forestry comprises a device main body, wherein the upper end of the device main body is provided with a turnover body through a turnover shaft in a rotating mode, the turnover shaft is installed in the device main body in a rotating mode, the turnover body is fixedly arranged on the turnover shaft, clamping devices are arranged in the turnover body and the device main body respectively, an upper clamping device and a lower clamping device respectively comprise clamping rods which are symmetrical in the front and back direction, a tree can be clamped when the two clamping rods rotate closely, a transmission device is arranged between the turnover body and the device main body and is used for enabling the upper clamping device and the lower clamping device to work in a linkage mode, the tree is cut off in an area between the clamping parts of the clamping rods on the upper side and the lower side through an external cutting electric saw, when the turnover shaft drives the turnover body to rotate, the turnover body drives the cut tree to rotate clockwise to fall at a constant speed, the device is characterized in that a threaded hole with a downward opening is formed in the device main body, a second spline shaft is arranged in the threaded hole in a rotating mode, a threaded drill bit is connected to the second spline shaft through a spline and is in threaded fit with the threaded hole, a stability maintaining device is arranged on the threaded drill bit and comprises four rotating plates arranged in an annular array mode, the threaded drill bit can descend and extend to the inside of the ground surface when the second spline shaft rotates, the device main body is installed stably, and then the four rotating plates rotate and disperse to the periphery of the threaded drill bit to enhance the stability of the threaded drill bit extending into the inside of the ground surface.
Preferably, a rubber gasket for preventing slipping is fixedly arranged on the end surface of the inner side of the clamping rod.
Wherein, clamping device includes that the opening is towards the tight chamber of turning of clamp of left side, press from both sides tight two tight pivots of symmetry around tight intracavity rotation is equipped with, press from both sides tight pole set firmly in press from both sides tight pivot, it is equipped with the sliding tray to press from both sides tight pole right-hand member, it is equipped with the sliding block to slide in the sliding tray, it is equipped with ball to press from both sides to rotate between the tight chamber front and back end wall, ball and front and back two sliding block threaded connection, it is equipped with the power chamber to press from both sides tight chamber rear side intercommunication of turning, the ball rear end extends to the power chamber has set firmly the worm wheel, the meshing of worm wheel downside has the worm, worm center department sets firmly the power pivot, in the device main part power pivot right.
Wherein, transmission include in the upset with the meshing chamber of power chamber intercommunication, power pivot right-hand member extends to the meshing intracavity has set firmly first bevel gear, the meshing of first bevel gear downside has second bevel gear, second bevel gear center department has set firmly the gear pivot, gear pivot lower extreme has set firmly third bevel gear, be equipped with the transmission chamber in the device main part, it is equipped with fourth bevel gear to rotate through the transmission shaft in the transmission chamber, fourth bevel gear with the meshing of third bevel gear, transmission shaft and downside pass through driving belt power connection between the power pivot.
Preferably, a linkage cavity is arranged in the device main body, a meshing gear is fixedly arranged in the linkage cavity from the front end of the turnover shaft, a rotating gear is arranged at the lower side of the meshing gear in a meshing manner, the rotating gear is rotatably arranged in the linkage cavity, a spline block is connected to the center of the rotating gear in a spline manner, a first spline shaft is fixedly arranged at the center of the spline block, a spline sleeve is connected to the front end of the first spline shaft in a spline manner, the spline sleeve is rotatably arranged in the front end wall of the linkage cavity through a bearing, a rotation cavity is arranged at the rear side of the linkage cavity, the rear end of the first spline shaft extends into the rotation cavity, a fifth bevel gear is fixedly arranged on the first spline shaft, a sixth bevel gear is connected to the lower side of the fifth bevel gear in a meshing manner, the sixth bevel gear is fixedly connected with the upper end of the second spline shaft, a conversion chute is arranged at, the automatic switching mechanism is characterized in that a switching motor is fixedly arranged in the switching sliding block, the rear end of the rotating cavity is in power connection with the switching motor, a moving groove is formed in the lower side of the switching sliding groove in a communicated mode through a connecting groove, a rotating rod with the upper end hinged to the switching sliding block is rotatably arranged in the connecting groove, a moving block sliding in the moving groove is hinged to the lower end of the rotating rod, a pressure spring is fixedly arranged between the rear end of the moving block and the moving groove, the left side of the moving groove is communicated with the clamping rotating cavity, and the left end of the moving block extends into.
The stability maintaining device comprises four accommodating cavities distributed in an annular array and arranged on the threaded drill bit, a rotating shaft is arranged in the accommodating cavities, a rotating plate is fixedly arranged on the rotating shaft, a seventh bevel gear is fixedly arranged on the rotating shaft and at the upper side of the rotating plate, an eighth bevel gear is meshed at one end, close to the center of the accommodating cavity array, of the seventh bevel gear, a rotating shaft is fixedly arranged at the center of the eighth bevel gear, a reel is fixedly arranged on the rotating shaft, a torsion spring is sleeved on the rotating shaft, a pulling rope is wound on the reel, a tensioning wheel is rotatably arranged on one side of the reel, and one end, far away from the reel, of the pulling rope is fixedly connected with the lower end of the second spline shaft after being wound on the tensioning wheel.
The invention has the beneficial effects that: the device can be arranged on the periphery of a tree to be felled, and the device can be drilled into the ground surface through the threaded drill bit, so that the mounting stability of the device main body and the turnover body is improved, the stability of the device main body when the tree is felled is enhanced through the stabilizing device, and then the clamping devices are arranged on the device main body and the turnover body, so that the stability of the tree during cutting is kept, the damage of an electric saw blade is avoided, the tree felling efficiency is improved, the cut tree is driven to be gently laid down through the turnover body, the safety of personnel during felling is improved, and the angle of the tree during laying is controllable.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
Fig. 1 is a schematic overall structure diagram of a forestry safety felling device of the present invention;
FIG. 2 is a schematic view of the structure in the direction "A-A" of FIG. 1;
FIG. 3 is a schematic view of the structure in the direction "B-B" of FIG. 2;
FIG. 4 is a schematic view of the structure in the direction "C-C" of FIG. 1;
FIG. 5 is an enlarged view of the structure of "D" in FIG. 1;
FIG. 6 is a schematic view of the structure in the direction "E-E" of FIG. 5.
Detailed Description
The invention will now be described in detail with reference to fig. 1-6, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a safe felling device for forestry, which is mainly used for wood processing work, and the invention is further explained by combining the attached drawings of the invention:
the invention relates to a safe felling device for forestry, which comprises a device main body 21, wherein the upper end of the device main body 21 is rotatably provided with an overturning body 60 through an overturning shaft 61, the overturning shaft 61 is rotatably arranged in the device main body 21, the overturning body 60 is fixedly arranged on the overturning shaft 61, the overturning body 60 and the device main body 21 are respectively provided with a clamping device 90, the upper clamping device 90 and the lower clamping device 90 respectively comprise clamping rods 23 which are symmetrical in the front and back direction, when the two clamping rods 23 rotate in a similar way, a tree can be clamped, a transmission device 89 is arranged between the overturning body 60 and the device main body 21, the transmission device 89 is used for linking the upper clamping device 90 and the lower clamping device 90 to work, the tree is cut off in the area between the clamping parts of the clamping rods 23 on the upper side and the lower side through an external cutting electric saw, when the overturning shaft 61 drives the overturning body 60 to rotate, the overturning body 60 drives the cut-off tree to rotate clockwise to lay, the device main part 21 is internally provided with a threaded hole 79 with a downward opening, a second spline shaft 80 is arranged in the threaded hole 79 in a rotating mode, a threaded drill 86 is connected to the second spline shaft 80 through a spline, the threaded drill 86 is in threaded fit with the threaded hole 79, a stability maintaining device 88 is arranged on the threaded drill 86, the stability maintaining device 88 comprises four rotating plates 12 arranged in an annular array mode, the threaded drill 86 can descend and extend to the inside of the ground surface when the second spline shaft 80 rotates, the device main part 21 is stable in installation, and then the four rotating plates 12 rotate and disperse to the periphery of the threaded drill 86, so that the stability of the threaded drill 86 extending into the inside of the ground surface is enhanced.
Advantageously, a rubber gasket 24 for preventing slipping is fixed on the inner end surface of the clamping rod 23.
In the following, the clamping device 90 is described in detail according to an embodiment, said clamping device 90 comprising a clamping rotor chamber 22 opening towards the left, two clamping rotating shafts 35 which are symmetrical front and back are rotationally arranged in the clamping rotating cavity 22, the clamping rod 23 is fixedly arranged on the clamping rotating shafts 35, the right end of the clamping rod 23 is provided with a sliding groove 30, a sliding block 31 is arranged in the sliding groove 30 in a sliding way, a ball screw 32 is rotatably arranged between the front end wall and the rear end wall of the clamping rotary cavity 22, the ball screw 32 is in threaded connection with the front sliding block 31 and the rear sliding block 31, a power cavity 40 is communicated with the rear side of the clamping rotary cavity 22, a worm wheel 41 is fixedly arranged at the rear end of the ball screw 32 extending to the power cavity 40, a worm 42 is engaged with the lower side of the worm wheel 41, a power rotating shaft 43 is fixedly arranged at the center of the worm 42, the right end of the power rotating shaft 43 in the device main body 21 is connected to a power motor 45 in a power mode.
According to an embodiment, a transmission device 89 is described in detail below, the transmission device 89 includes an engagement cavity 65 in the turning body 60 and communicated with the power cavity 40, a first bevel gear 66 is fixedly arranged in the engagement cavity 65 and extends to the right end of the power rotating shaft 43, a second bevel gear 64 is engaged with the lower side of the first bevel gear 66, a gear rotating shaft 62 is fixedly arranged at the center of the second bevel gear 64, a third bevel gear 63 is fixedly arranged at the lower end of the gear rotating shaft 62, a transmission cavity 52 is arranged in the device main body 21, a fourth bevel gear 53 is rotatably arranged in the transmission cavity 52 through a transmission shaft 54, the fourth bevel gear 53 is engaged with the third bevel gear 63, and the transmission shaft 54 is in power connection with the power rotating shaft 43 on the lower side through a transmission belt 51.
Beneficially, a linkage cavity 81 is formed in the device main body 21, a meshing gear 82 is fixedly arranged in the linkage cavity 81 and extends from the front end of the turnover shaft 61, a rotating gear 85 is arranged on the lower side of the meshing gear 82 in a meshing manner, the rotating gear 85 is rotatably installed in the linkage cavity 81, a spline block 84 is connected to the center of the rotating gear 85 in a spline manner, a first spline shaft 75 is fixedly arranged at the center of the spline block 84, a spline housing 83 is connected to the front end of the first spline shaft 75 in a spline manner, the spline housing 83 is rotatably arranged in the front end wall of the linkage cavity 81 through a bearing, a rotating cavity 77 is arranged on the rear side of the linkage cavity 81, the rear end of the first spline shaft 75 extends into the rotating cavity 77, a fifth bevel gear 76 is fixedly arranged on the first spline shaft 75, a sixth bevel gear 78 is connected to the lower side of the fifth bevel gear 76 in a meshing manner, and the sixth bevel gear 78 is fixedly connected with, a conversion chute 71 is arranged on the rear side of the rotation cavity 77, a conversion sliding block 72 is arranged in the conversion chute 71 in a sliding manner, a conversion motor 73 is fixedly arranged in the conversion sliding block 72, the rear end of the rotation cavity 77 is in power connection with the conversion motor 73, a moving groove 67 is arranged on the lower side of the conversion chute 71 in a communicating manner through a connecting groove 74, a rotating rod 69 with the upper end hinged to the conversion sliding block 72 is rotatably arranged in the connecting groove 74, a moving block 70 sliding in the moving groove 67 is hinged to the lower end of the rotating rod 69, a pressure spring 68 is fixedly arranged between the rear end of the moving block 70 and the moving groove 67, the left side of the moving groove 67 is communicated with the clamping rotation cavity 22, and the left end of the moving block 70 extends.
In the following, the stabilizer 88 will be described in detail according to an embodiment, the stabilizer 88 comprises four annular arrays of receiving cavities 10 provided on the thread drilling head 86, a rotating shaft 11 is rotatably arranged in the accommodating cavity 10, the rotating plate 12 is fixedly arranged on the rotating shaft 11, a seventh bevel gear 13 is fixedly arranged on the rotating shaft 11 at the upper side of the rotating plate 12, an eighth bevel gear 14 is engaged with one end of the seventh bevel gear 13 close to the center of the array of the receiving cavities 10, a rotating shaft 15 is fixedly arranged at the center of the eighth bevel gear 14, a reel 17 is fixedly arranged on the rotating shaft 15, the rotating shaft 15 is sleeved with a torsion spring 16, the reel 17 is wound with a pull rope 87, a tension wheel 19 is rotatably arranged on one side of the reel 17, and one end of the pull rope 87 far away from the reel 17 is wound on the tension wheel 19 and then fixedly connected with the lower end of the second spline shaft 80.
The following describes in detail the use steps of a safety logging device for forestry with reference to fig. 1 to 6:
initially, the rotating plate 12 is accommodated in the accommodating chamber 10, the torsion spring 16 is in a natural state, the thread bit 86 is accommodated in the thread hole 79, the pulling rope 87 is in a loose state, the fifth bevel gear 76 is engaged with the sixth bevel gear 78, the spline block 84 is not connected to the rotating gear 85, the clamp rod 23 is opened, the right ends of the front and rear clamp rods 23 are abutted, the front end surface of the moving block 70 is abutted to the front end wall of the moving groove 67, and the pressure spring 68 is in a natural state.
When the device works, the device main body 21 is close to a tree to be felled, the conversion motor 73 is started, the first spline shaft 75 is rotated, the fifth bevel gear 76, the sixth bevel gear 78 and the second spline shaft 80 are rotated, the thread drill 86 is rotated and descended to be embedded into the ground surface, in the process, the pull rope 87 is gradually tensioned, when the second spline shaft 80 is separated from the thread drill 86 and the pull rope 87 is pulled, the reel 17 is rotated through the pull rope 87, the torsion spring 16 stores force, the eighth bevel gear 14 and the seventh bevel gear 13 are rotated to drive the rotating plate 12 to rotate, the rotating plate 12 rotates to the outer side of the accommodating cavity 10, at the moment, the thread drill 86 stops rotating and descends, and the thread drill 86 is stably installed in the ground surface;
then, the power motor 45 is started, the upper worm 42 and the lower worm 42 synchronously rotate through the transmission of the transmission belt 51, the fourth bevel gear 53, the third bevel gear 63, the gear rotating shaft 62, the second bevel gear 64 and the first bevel gear 66, and the worm gear 41 is further driven to rotate, so that the ball screw 32 rotates, the front sliding block 31 and the rear sliding block 31 move away from each other, the front clamping rod 23 and the rear clamping rod 23 swing oppositely to clamp the tree, the moving block 70 is pushed to move backwards when the clamping rod 23 on the rear side swings, the rotating rod 69 rotates to drive the conversion sliding block 72 to move forwards, the fifth bevel gear 76 is separated from the sixth bevel gear 78, and the spline block 84 is in spline connection with the rotating gear 85;
then, the electric saw is used for cutting off the area between the clamping parts of the clamping rods 23 positioned at the upper side and the lower side on the tree, the conversion motor 73 is started to work to drive the rotating gear 85 and the meshing gear 82 to rotate, the turnover shaft 61 drives the turnover body 60 to rotate, the turnover body 60 drives the cut-off tree to rotate clockwise, the tree is flatly laid to the horizontal direction, and the tree felling work is completed.
The invention has the beneficial effects that: the device can be arranged on the periphery of a tree to be felled, and the device can be drilled into the ground surface through the threaded drill bit, so that the mounting stability of the device main body and the turnover body is improved, the stability of the device main body when the tree is felled is enhanced through the stabilizing device, and then the clamping devices are arranged on the device main body and the turnover body, so that the stability of the tree during cutting is kept, the damage of an electric saw blade is avoided, the tree felling efficiency is improved, the cut tree is driven to be gently laid down through the turnover body, the safety of personnel during felling is improved, and the angle of the tree during laying is controllable.
In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.
Claims (6)
1. The utility model provides a forestry is with safe device of logging, includes the device main part, its characterized in that: the upper end of the device main body is rotatably provided with a turnover body through a turnover shaft;
the tree cutting device comprises a device body, a turnover shaft, a tree clamping device, a transmission device, a tree cutting device, a tree conveying device and a tree conveying device, wherein the turnover shaft is rotatably installed in the device body in a rotating mode, the turnover body is fixedly arranged on the turnover shaft, the clamping devices on the upper side and;
the device is characterized in that a threaded hole with a downward opening is formed in the device main body, a second spline shaft is arranged in the threaded hole in a rotating mode, a threaded drill bit is connected to the second spline shaft through a spline and is in threaded fit with the threaded hole, a stability maintaining device is arranged on the threaded drill bit and comprises four rotating plates arranged in an annular array mode, the threaded drill bit can descend and extend to the inside of the ground surface when the second spline shaft rotates, the device main body is installed stably, and then the four rotating plates rotate and disperse to the periphery of the threaded drill bit to enhance the stability of the threaded drill bit extending into the inside of the ground surface.
2. A forestry safety logging device as claimed in claim 1, wherein: and the end surface of the inner side of the clamping rod is fixedly provided with a rubber gasket for skid resistance.
3. A forestry safety logging device as claimed in claim 1, wherein: the clamping device comprises a clamping rotary cavity with an opening facing to the left;
two tight pivots of clamp that the intracavity rotates and is equipped with longitudinal symmetry press from both sides tightly, press from both sides tight pole set firmly in press from both sides tight pivot, it is equipped with the sliding tray to press from both sides tight pole right-hand member, it is equipped with the sliding block to slide in the sliding tray, it is equipped with ball to press from both sides to rotate between the end wall around changeing the chamber, ball and front and back two sliding block threaded connection, it is equipped with the power chamber to press from both sides tight chamber rear side intercommunication of changeing, ball rear end extends to the power chamber has set firmly the worm wheel, the meshing of worm wheel downside has the worm, worm center department sets firmly the power pivot, in the device main part power connection.
4. A forestry safety logging device as claimed in claim 1, wherein: the transmission device comprises an engaging cavity communicated with the power cavity in the turnover body;
the power shaft right-hand member extends to the meshing intracavity has set firmly first bevel gear, the meshing of first bevel gear downside has second bevel gear, second bevel gear center department has set firmly the gear pivot, gear pivot lower extreme has set firmly third bevel gear, be equipped with the transmission chamber in the device main part, it is equipped with fourth bevel gear to rotate through the transmission shaft in the transmission chamber, fourth bevel gear with the meshing of third bevel gear, transmission shaft and downside pass through driving belt power connection between the power shaft.
5. A forestry safety logging device as claimed in claim 4, wherein: a linkage cavity is arranged in the device main body, and a meshing gear is fixedly arranged in the linkage cavity from the front end of the turnover shaft to the linkage cavity;
a rotating gear is arranged on the lower side of the meshing gear in a meshing mode, the rotating gear is rotatably installed in the linkage cavity, a spline block is connected to the center of the rotating gear through a spline, a first spline shaft is fixedly arranged at the center of the spline block, a spline sleeve is connected to the front end of the first spline shaft through a spline, the spline sleeve is rotatably arranged in the front end wall of the linkage cavity through a bearing, a rotating cavity is arranged on the rear side of the linkage cavity, the rear end of the first spline shaft extends into the rotating cavity, a fifth bevel gear is fixedly arranged on the first spline shaft, a sixth bevel gear is connected to the lower side of the fifth bevel gear in a meshing mode, and the sixth bevel gear is fixedly connected with the upper end of the second;
the improved rotating mechanism is characterized in that a conversion sliding groove is formed in the rear side of the rotating cavity, a conversion sliding block is arranged in the conversion sliding groove in a sliding mode, a conversion motor is fixedly arranged in the conversion sliding block, the rear end of the rotating cavity is in power connection with the conversion motor, a moving groove is formed in the lower side of the conversion sliding groove in a communicated mode through a connecting groove, a rotating rod with the upper end hinged to the conversion sliding block is rotatably arranged in the connecting groove, a moving block sliding in the moving groove is hinged to the lower end of the rotating rod, a pressure spring is fixedly arranged between the rear end of the moving block and the moving groove, the left side of the moving groove is communicated with the.
6. A forestry safety logging device as claimed in claim 1, wherein: the stability maintaining device comprises four accommodating cavities which are arranged on the threaded drill and distributed in an annular array;
the accommodating cavity is internally and rotatably provided with a rotating shaft, the rotating plate is fixedly arranged on the rotating shaft, a seventh bevel gear is fixedly arranged on the rotating shaft at the upper side of the rotating plate, the seventh bevel gear is meshed with an eighth bevel gear at the end close to the center of the accommodating cavity array, the center of the eighth bevel gear is fixedly provided with a rotating shaft, a reel is fixedly arranged on the rotating shaft, a torsion spring is sleeved on the rotating shaft, a pulling rope is wound on the reel, a tensioning wheel is rotatably arranged on one side of the reel, and one end of the pulling rope, far away from the reel, is fixedly connected with the lower end of the second spline shaft after being wound on the tensioning wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010160933.2A CN111133978A (en) | 2020-03-10 | 2020-03-10 | Forestry is with safe device of lumbering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010160933.2A CN111133978A (en) | 2020-03-10 | 2020-03-10 | Forestry is with safe device of lumbering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111133978A true CN111133978A (en) | 2020-05-12 |
Family
ID=70528483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010160933.2A Withdrawn CN111133978A (en) | 2020-03-10 | 2020-03-10 | Forestry is with safe device of lumbering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111133978A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112243830A (en) * | 2020-10-21 | 2021-01-22 | 郑俊俊 | Two fixed hydraulic pressure slowly fall lumbering protection mechanism |
| CN112997840A (en) * | 2021-03-12 | 2021-06-22 | 天津智汇港创新科技有限公司 | Automatic directional tree dumping and felling method based on agriculture and forestry improvement |
| CN115413555A (en) * | 2022-09-16 | 2022-12-02 | 重庆市林业科学研究院 | Tree cutting anti-falling device and cutting method thereof |
-
2020
- 2020-03-10 CN CN202010160933.2A patent/CN111133978A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112243830A (en) * | 2020-10-21 | 2021-01-22 | 郑俊俊 | Two fixed hydraulic pressure slowly fall lumbering protection mechanism |
| CN112997840A (en) * | 2021-03-12 | 2021-06-22 | 天津智汇港创新科技有限公司 | Automatic directional tree dumping and felling method based on agriculture and forestry improvement |
| CN112997840B (en) * | 2021-03-12 | 2022-06-24 | 重庆市春润林产品开发有限公司 | Automatic directional tree dumping and felling method based on agriculture and forestry improvement |
| CN115413555A (en) * | 2022-09-16 | 2022-12-02 | 重庆市林业科学研究院 | Tree cutting anti-falling device and cutting method thereof |
| CN115413555B (en) * | 2022-09-16 | 2023-10-20 | 重庆市林业科学研究院 | Tree felling anti-tilting device and method |
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Application publication date: 20200512 |