CN111492931A - Novel hydraulic felling machine - Google Patents
Novel hydraulic felling machine Download PDFInfo
- Publication number
- CN111492931A CN111492931A CN202010465047.0A CN202010465047A CN111492931A CN 111492931 A CN111492931 A CN 111492931A CN 202010465047 A CN202010465047 A CN 202010465047A CN 111492931 A CN111492931 A CN 111492931A
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- oil cylinder
- small
- cutter
- transmission
- 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.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 49
- 239000003921 oil Substances 0.000 claims description 39
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 210000001503 joint Anatomy 0.000 claims description 14
- 239000010720 hydraulic oil Substances 0.000 claims description 13
- 239000000725 suspension Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims 1
- 238000005259 measurement Methods 0.000 claims 1
- 239000002023 wood Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 210000000245 forearm Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Images
Classifications
-
- 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
- A01G23/091—Sawing apparatus specially adapted for felling trees
Abstract
In order to improve the mechanization degree of the current economic forest felling, the invention discloses a novel hydraulic felling machine which can be driven by a current common hydraulic excavator or wheel type excavator with more than 90-100 types and directly enters a forest area for operation. Compared with an imported hydraulic felling machine, the hydraulic felling machine adopts hydraulic fittings commonly used in China, so that the hydraulic felling machine is low in price and convenient to maintain. The chain saw combination device, the transmission device, the branch and trunk removing device, the hydraulic control system and the electronic control system are improved, so that the chain saw combination device is more suitable for forest felling operation in China, and can meet most of operation requirements of the economic forest felling operation particularly for economic forests planted in southern areas in China.
Description
Technical Field
The invention relates to a novel hydraulic felling machine, belongs to the technical field of forestry machinery, and particularly relates to a hydraulic felling machine.
Background
At present, the existing imported hydraulic felling machine has several disadvantages in China: 1. the price is expensive, 2. corresponding accessories are lacked in China, and the maintenance is difficult. 3. Is not suitable for cutting down economic trees planted in southern areas of China. The main reason is that when the imported feller is in operation, the trees are clamped and held by the transmission wheels with two steel wheel surfaces fully covered with steel nails from two sides for transmission, the steel nails have the function of increasing friction force, but the barks are also seriously damaged by the steel nails, so that the wood loses a large amount of water and loses weight, and thus losses are brought to planters and fellers. (current wood trade is based on weighing).
Disclosure of Invention
In order to solve the problems, the hydraulic felling machine adopts the following technical scheme: 1. all adopt domestic common hydraulic pressure accessory to the low price, it is convenient to maintain. 2. The hydraulic felling machine has the following structure: the main framework (1) is of a flaring channel steel structure, oil cylinder supports corresponding to all devices are arranged on the back and the two sides of the main framework, the movable shaft supports are arranged on the middle upper portion of each oil cylinder support, suspension arm connecting structures (19) with two symmetrical sides are arranged on the middle upper portion of each oil cylinder support, each connecting structure is provided with two butt joints (20) and (21), and a gap corresponding to two transmission small wheels (6), a measurer (15), an upper pressure plate and a middle cutter (13) is arranged at the bottom of each connecting structure.
The chain saw combination device (2) driven by a hydraulic motor is arranged at the forefront of the left side of the structural framework and comprises a saw baffle frame, a driving combination of the hydraulic motor and a chain saw guide plate and the like, a hydraulic oil cylinder and a mounting frame. A hydraulic motor in the hydraulically-driven chain saw combined device (2) is connected with a gearbox, an output shaft of the gearbox drives a chain wheel to drive a saw chain to run, one end of a chain saw guide plate is sleeved on an outer bearing of an output shaft sleeve, the guide plate is connected with one end of a push rod of a hydraulic oil cylinder (22), and the hydraulic oil cylinder (22) can control the output shaft to rotate around the center of a circle, so that trees can be sawn.
The chain saw combination is followed by a holding and grabbing device which consists of a left holding plate (3), a right holding plate (3), a movable shaft, a shaft bracket, 3 hydraulic oil cylinders (4) and an upper pressing plate. The left and right grabbing plates are respectively sleeved on movable shafts in supports on two sides of the main structure, the upper ends of the grabbing plates are connected with oil cylinder push rods, a left oil cylinder and a right oil cylinder which are positioned in the oil cylinder supports respectively push the grabbing plates, the left and right grabbing plates respectively rotate by taking the movable shafts as circle centers to clamp a central line of the main structure, and an upper pressure oil cylinder pushes an upper pressure plate to press downwards to correspond to the left and right grabbing plates to clamp trees tightly.
The six-wheel transmission device is composed of two small transmission wheels (5) and 4 large transmission wheels (6) (the transmission wheels are composed of built-in steel rings and outer rubber tires, friction force is increased by rubber, and meanwhile barks are not easy to damage). The 4 large transmission wheels are of a circular truncated cone structure with a large cross section and a small cross section, two rings of steel nails are arranged on the steel ring at one end with the small cross section to prevent trees with small diameters from skidding, one end with the large cross section is arranged close to one side of the motor, a hydraulic motor (9) for driving the small wheels, 4 hydraulic motors (8) for driving the large wheels, a small wheel transmission box (11), a gear transmission box, a transmission shaft (10), 4 hydraulic oil cylinders (7), 4 motor supports (wherein a cam structure is arranged behind the two rear motor supports), and 4 movable shafts. Two small driving wheels (5) are connected with the transmission case (11) and are positioned in the front and back of the middle part of the main structure framework and under two groups of oil cylinder supports, and small wheel driving motors are connected with the gear transmission case and are positioned behind the oil cylinder supports, and the left side of the structure framework is connected with the two small wheel transmission cases (11) through a transmission shaft (10) to synchronously drive the two small wheels (5). The movable shaft is arranged at the lower end of the oil cylinder support, the motor support is sleeved on the movable shaft, the large transmission wheel is directly arranged on an output shaft of the motor, the motor is positioned in the support, the upper end of the support is connected with a push rod of the hydraulic oil cylinder, the oil cylinder (7) pushes the upper end of the motor support, the motor (8) and the transmission wheel (6) rotate along with the support by taking the movable shaft as the circle center, 4 large transmission wheels (6) are formed to be clamped inwards, two small transmission wheels (5) form two 3-wheel combinations, the two combinations are arranged on the same straight line, and each combination is arranged on the same cross.
The suspension device is positioned at the middle upper end of a first group of oil cylinder supports of the six-wheel transmission device and consists of a U-shaped hanging arm (17), a rotating shaft and hanging arm oil cylinders (18) at two sides. The middle part of the tail end of the U-shaped hanging arm is sleeved with a rotating shaft, the rotating shaft can be in butt joint with an output shaft of a front rotating device of a small arm of an excavator, the inner sides of the hanging arms on two sides are sleeved with the tail ends of hydraulic cylinders, the cylinders can move back and forth at a small distance and swing left and right at a small angle, the tail ends of the hanging arms on two sides are respectively sleeved on movable shafts of lower butt joints (20) of butt joints on two sides of a main structure framework, push rods of the hydraulic cylinders are sleeved on the movable shafts of upper butt joints (21), and the hydraulic cylinders are pushed out or retracted to change the corresponding angles of the butt joints (20) (.
The branch removing device is positioned at the tail end of the structural framework and consists of a rear cutter (12), a middle left cutter, a middle right cutter, a bracket (13), a embracing left cutter, a right cutter (14), a rotating shaft, a tension spring and a steel wire (16) (all the cutters are of arc structures). The rear cutter (12) is arranged right behind the structural framework, the middle cutter support is arranged right in front of the rear cutter, the middle left cutter and the middle right cutter are welded with sleeves and are sleeved on the left movable shaft and the right movable shaft on the support in parallel, the middle left cutter and the middle right cutter are opposite and can rotate by taking the movable shafts as circle centers to form clamping and holding on the central line of the structural framework, one ends of the left cutter and the right cutter are welded with sleeves and are fixed on a rotating shaft by screws, the rotating shaft is positioned at the front end of the middle cutter, the supports on two sides of the structural framework, the middle left cutter and the right cutter and the left cutter are respectively pulled by tension springs to surround the. The front end of the rotating shaft is connected to the middle part of the front oil cylinder bracket, the shaft end is provided with a protruding point which is contacted with a cam of the rear motor bracket, when the driving wheel is opened, the cam of the rear motor bracket is propped against the protruding point to enable the rotating shaft to rotate to drive the left and right cutters (14) which are in close fit to be opened, the shaft surface at the other end of the rotating shaft is connected with the reverse direction of the traction point of the tension spring on the left and right cutters (13) which are arranged in the middle by a rigid wire (16), and the left.
The electronic control and hydraulic system consists of an electromagnetic valve, an oil circuit block, a hydraulic oil pipe, a measurer, a control circuit main board, a lead and switches. The chain saw driving motor is controlled by an electromagnetic valve, the pushing oil cylinder of a chain saw guide plate is controlled by an electromagnetic valve, the vertical and horizontal pushing oil cylinders of the hanging arm are controlled by an electromagnetic valve, 3 oil cylinders in the grabbing device are controlled by an electromagnetic valve, 5 hydraulic motors in the transmission device are controlled by an electromagnetic valve, 4 oil cylinders in the transmission device are controlled by an electromagnetic valve, an electronic control system can control a single device to independently operate and can also control all devices to operate in a linkage mode, and all actions are completed by controlling a hydraulic system through the electronic control system.
The scheme ensures that the novel hydraulic felling machine is simple in structure and easy to operate. The operation requirement of most forest felling can be solved to a great extent the human cost of forest felling operation has been reduced.
Drawings
FIG. 1 is a top view of the novel hydraulic feller of the present invention
FIG. 2 is a right side view of the novel hydraulic feller of the present invention
Wherein: the chain saw comprises a 1-column structural framework, a 2-hydraulic motor driven chain saw combination device, a 3-left grabbing plate, a 4-grabbing device oil cylinder, a 5-small driving wheel, a 6-large driving wheel, a 7-transmission device oil cylinder, a 8-large driving wheel motor and support, a 9-small driving wheel and gear transmission box, a 10-transmission shaft, a 11-small wheel transmission box, a 12-rear cutter, a 13-middle-arranged left cutter and right cutter and support, a 14-grabbing left cutter and right cutter and movable shaft, a 15-measuring device, a 16-steel wire, a 17-U hanging arm, an 18-hanging arm oil cylinder, a 19-hanging device butt joint structure, a 20 butt joint point under the butt joint structure and.
Detailed Description
This novel hydraulic pressure felling machine hangs the rotary device butt joint before arm and the excavator forearm, hydraulic system butt joint excavator's hydraulic system, and electronic control system is provided the power by the excavator.
The specific operation flow is as follows: giving an inverted instruction to push out a push rod of a hanging arm oil cylinder (18), inverting the main body of the feller, giving an opening instruction to retract the oil cylinder push rod of the grabbing device and the transmission device, opening the grabbing plate (3) and the transmission wheel (6), simultaneously driving a cutter of the branch removing device to open, using an excavator to enable the feller to align at a tree, giving a grabbing instruction to push out oil cylinder push (4) and (7) rods of the grabbing device and the transmission device, inwards clamping the tree by the grabbing plate (3) and the transmission wheel (6) at the left side and the right side, pressing down an upper pressure plate of the grabbing device to form a locking state corresponding to the left grabbing plate and the right plate, simultaneously, because two rear motor bracket cams in the transmission device return, a left cutter (13) and a right cutter (14) in the middle and a left cutter and a right cutter (14) in a locking ring are pulled back by a tension spring to cling to the tree, giving a sawing instruction, starting and driving a chain saw, the chain saw cuts trees, the chain saw automatically returns and stops after reaching a specified position, a horizontal instruction is given, the arm hanging oil cylinder (18) retracts, the feller body is pulled to horizontally lie to enable the trees to fall to one side, an advancing instruction is given to the transmission device, six driving wheels (5) and (6) of the transmission device synchronously rotate in the advancing direction to drive the trees to move forwards, the measurer (15) transmits data to the main control circuit, the trees are transmitted to a specified length, the main control circuit gives a stopping instruction, the driving wheels stop, a sawing instruction is given, and the chain saw combination device (2) returns and stops after completing a sawing action. Repeating the advancing and sawing actions to cut the whole tree into wood with the specified length.
The branch removing device cuts off the branches during the advancing movement of the trees. The transmission device can work reversely, gives a backward instruction, the driving wheel rotates reversely, and the trees are moved backward to the designated position according to the requirement.
The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions or modifications to some technical features without creative efforts, and these substitutions or modifications are all within the protection scope of the present invention.
Claims (4)
1. The utility model provides a novel hydraulic pressure feller, includes main structure skeleton (1), linkage, hydraulic drive's chain saw composite set (2), grabs embracing device, six rounds of transmission device, removes branch device, hydraulic control system, electronic control system, measurement system, its characterized in that: the main structure framework (1) is a flaring channel steel structure, the back and two sides of the main structure framework are provided with oil cylinder supports corresponding to all devices, the movable shaft support is provided with suspension arm connecting structures (19) with two symmetrical sides at the middle upper part of the oil cylinder support, the connecting structures are provided with two butt joints (20) and (21), the bottom of the connecting structures is provided with a clearance corresponding to two transmission small wheels (5), a measurer (15), an upper pressure plate and a middle cutter (13),
the hanging device consists of a U-shaped hanging arm (17), a rotating shaft and hanging arm oil cylinders (18) at two sides, the rotating shaft is sleeved in the middle of the tail end of the U-shaped hanging arm, the rotating shaft can be butted on an output shaft of a front rotating device of a small arm of the excavator, the tail ends of hydraulic oil cylinders are sleeved at the inner sides of the hanging arms at the two sides, the oil cylinders can move back and forth at a small distance and swing left and right at a small angle, the bottom ends of the hanging arms at the two sides are respectively sleeved on movable shafts of butt joints (20) of butt structures at two sides of a main structure framework, a push rod of the hydraulic oil cylinder is sleeved on the movable shaft of the butt joint (21), the hydraulic oil cylinder pushes out or retracts to,
a hydraulic motor in the hydraulically-driven chain saw combined device (2) is connected with a gearbox, an output shaft of the gearbox drives a chain wheel to drive a saw chain to run, one end of a chain saw guide plate is sleeved on an outer bearing of an output shaft sleeve, the guide plate is connected with one end of a push rod of a hydraulic oil cylinder (22), the hydraulic oil cylinder (22) can control the chain saw guide plate to rotate by taking the output shaft as a circle center,
the holding and grabbing device consists of a left holding plate and a right holding plate (3), a movable shaft, a shaft bracket, a hydraulic cylinder (4) and an upper pressure plate, wherein the left holding plate and the right holding plate are respectively sleeved on the movable shaft in the brackets at two sides of the main structure, the upper end of the holding plate is connected with a push rod of the oil cylinder, the left oil cylinder and the right oil cylinder which are positioned in the oil cylinder brackets respectively push the holding plates, the left holding plate and the right holding plate respectively rotate by taking the movable shaft as a circle center to carry out holding on a central line of the main structure, the upper pressure oil,
the six-wheel transmission device consists of two small transmission wheels (5), 4 large transmission wheels (6), a hydraulic motor (9) for driving the small wheels, 4 hydraulic motors (8) for driving the large wheels, small wheel transmission boxes (11), gear transmission boxes, a transmission shaft (10), 4 hydraulic cylinders (7), 4 motor supports and 4 movable shafts, wherein the two small transmission wheels (5) are connected with the transmission boxes (11) and are positioned in the front and at the back of the middle part of a main structural framework, the small wheel transmission motors are connected with the gear transmission boxes (9) and are positioned behind the oil cylinder supports, the left side of the structural framework is connected with the two small wheel transmission boxes (11) through the transmission shaft (10) to synchronously drive the two small wheels (5), the movable shafts are arranged at the lower tail ends of the oil cylinder supports, the motor supports are sleeved on the movable shafts, the large transmission wheels are directly arranged on output shafts of the motors, and the motors are positioned in the supports, the upper end of the bracket is connected with a push rod of a hydraulic oil cylinder, the oil cylinder (7) pushes the upper end of the motor bracket, the motor (8) and the driving wheels (6) rotate along with the bracket by taking the movable shaft as the circle center to form 4 large driving wheels (6) which are clamped inwards and form two 3-wheel combinations with two small driving wheels (5), the two combinations are arranged on the same straight line, each combination is arranged on the same cross section,
the branch removing device consists of a rear cutter (12), a middle left and right cutter and a bracket (13), a left and right embracing cutter and a rotating shaft (14), a tension spring and a steel wire (16), wherein the rear cutter (12) is arranged right behind a structural framework, the middle cutter bracket (13) is arranged right in front of the rear cutter (12), one end of the middle left and right cutter is welded with a sleeve and is sleeved on a left and right movable shaft on the bracket in parallel, the middle left and right cutters are opposite and can rotate by taking the movable shafts as circle centers to form clamping and embracing for the central line of the structural framework, one end of the left and right embracing cutter is welded with the sleeve and is fixed on the rotating shaft by a screw, the rotating shaft is positioned at the front end of the middle cutter, the brackets at both sides of the structural framework, the middle left and right cutters and the embracing cutter are respectively drawn by the tension spring to embrace the central line of the structural, the cam of the rear motor bracket contacts with the cam of the rear motor bracket, when the driving wheel is opened, the cam of the rear motor bracket contacts with the protruding point, so that the rotating shaft rotates to drive the embracing left and right cutters (14) to open, the axial surface at the other end of the rotating shaft is opposite to the traction point of the tension spring on the rigid wire connected middle left and right cutters, and the middle left and right cutters (13) open simultaneously.
2. A six-wheel transmission according to claim 1, wherein: the driving wheels (5) and (6) are both composed of built-in steel rings and outer-ring rubber tires, the large driving wheel (6) is of a circular truncated cone structure with two large cross sections and one small cross section, two rings of steel nails are arranged on the steel ring at one end with the small cross section, and one end with the large cross section is installed by one side of the motor.
3. A six-wheeled conveyance device according to claim 1 or 2, wherein: after the two rear motor supports
The square has a cam structure.
4. The delimbing apparatus as claimed in claim 1, wherein: all cutters are of arc-shaped structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010465047.0A CN111492931A (en) | 2020-05-26 | 2020-05-26 | Novel hydraulic felling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010465047.0A CN111492931A (en) | 2020-05-26 | 2020-05-26 | Novel hydraulic felling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111492931A true CN111492931A (en) | 2020-08-07 |
Family
ID=71878693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010465047.0A Pending CN111492931A (en) | 2020-05-26 | 2020-05-26 | Novel hydraulic felling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111492931A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112167001A (en) * | 2020-09-15 | 2021-01-05 | 广西徐沃工程机械设备有限公司 | Electric control system of felling machine |
-
2020
- 2020-05-26 CN CN202010465047.0A patent/CN111492931A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112167001A (en) * | 2020-09-15 | 2021-01-05 | 广西徐沃工程机械设备有限公司 | Electric control system of felling machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110122102B (en) | Tree climbing pruning robot based on flexible cutter | |
| US3797539A (en) | Pulpwood harvester | |
| CN206442048U (en) | It is a kind of that there is the integral type peeling for lacking material detection function to cut braiding winding copper foil machine | |
| CN110115169B (en) | Garden trimmer | |
| CN110562343B (en) | Tree climbing pruning robot | |
| CN205357463U (en) | Lumbering ware | |
| CN210589575U (en) | Double-wall winding pipe cutting equipment with fixing mechanism | |
| CN206498706U (en) | A kind of hedgerow rounding machine cutter obstacle avoidance apparatus | |
| CN111492931A (en) | Novel hydraulic felling machine | |
| CN207355103U (en) | Full-automatic all-in-one machine of cutting down trees | |
| CN109601157B (en) | Nursery stock cuttage method planter | |
| CN108812171A (en) | Bamboo machine is cut down in a kind of automation | |
| CN106818394B (en) | Chain type tree digging ball machine | |
| US3886985A (en) | Multiple tree harvester and method for harvesting trees | |
| CN205284456U (en) | Device of cutting down trees fast | |
| CN204888012U (en) | Coconut picking manipulator | |
| CN207574187U (en) | A kind of hold-fast body for plantation logger | |
| CN110583232A (en) | Banana carpopodium clamping and cutting composite actuating mechanism | |
| CN205284458U (en) | Novel felling machine | |
| US4088163A (en) | Tree shearing device | |
| CA1090681A (en) | Method and apparatus for processing trees | |
| CN210840788U (en) | Garden engineering vehicle grab saw integration unit | |
| CN210275192U (en) | Pneumatic tree-climbing pruning robot | |
| CN220830929U (en) | Encircling felling device | |
| CN109362527A (en) | One kind being suitable for digging machine, the lifting attached tree felling machine of class woods machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200807 |