CN115648352B - Felling power-assisted robot - Google Patents

Felling power-assisted robot Download PDF

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Publication number
CN115648352B
CN115648352B CN202211430466.6A CN202211430466A CN115648352B CN 115648352 B CN115648352 B CN 115648352B CN 202211430466 A CN202211430466 A CN 202211430466A CN 115648352 B CN115648352 B CN 115648352B
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fixed
plate
screw
block
fixed block
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CN115648352A (en
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王天驰
翟亮
李昌
刘利
史颖刚
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Northwest A&F University
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Northwest A&F University
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Abstract

The invention discloses a felling booster robot, which relates to the technical field of felling tools and comprises a fixed block, wherein the fixed block can be fixed on the ground, and an opening device is fixed on the fixed block; the stretching device comprises two end plates which are respectively arranged on the same side of the fixed block, the two end plates are distributed up and down, the end plate positioned below is fixed on the fixed block, the end plate positioned above is connected onto the fixed block in a sliding manner, a telescopic device is arranged between the two end plates, and two ends of the telescopic device are respectively connected onto adjacent surfaces of the two end plates; the opposite surfaces of the two end plates are respectively connected with an expanding plate, an angle adjusting device is arranged between the expanding plate and the end plate connected with the expanding plate, and the angle adjusting device can be used for adjusting the inclination angle of the expanding plate; the side wall of the fixed block is fixed with a controller, and the angle adjusting device and the telescopic device are electrically connected with the controller. The invention uses the spreader to spread the saw kerf of the tree, which is convenient for workers to cut down the tree and control the dumping direction of the tree.

Description

Felling power-assisted robot
Technical Field
The invention relates to the technical field of felling tools, in particular to a felling power-assisted robot.
Background
Along with the development of science and technology, felling staff is in the in-process of felling, has become now can operate with the help of more instruments by manual saw tree in the past to reduce staff's fatigue strength.
Most existing felling workers operate by means of an electric saw during felling. The specific operation process is that firstly, a worker uses an electric saw to saw one kerf on the outer wall of a tree on one side of the falling direction of the tree, then another kerf is opened on the other side of the tree, the two kerfs are symmetrical, then the electric saw is used for further felling in the kerfs, but when the tree is large, the worker pulls the tree with single troublesome operation, so that the falling direction of the tree is changed, and the worker has a certain potential safety hazard.
In addition, the phenomenon of clamping the saw easily occurs when the electric saw is used for sawing the tree, so that the operation of workers is laborious, and certain damage can be caused to the electric saw, and the service life of the electric saw is influenced.
Therefore, there is an urgent need in the market for a logging-aid robot to solve the above problems.
Disclosure of Invention
The invention aims to provide a felling power-assisted robot which is used for solving the technical problems in the prior art, and a supporting device is used for supporting the saw kerf of a tree, so that a feller can conveniently saw the tree by using an electric saw, the dumping direction of the tree can be controlled, and the damage to the feller is prevented.
In order to achieve the above object, the present invention provides the following solutions:
the invention discloses a felling booster robot, which comprises a fixed block, wherein the fixed block can be fixed on the ground, and an opening device is fixed on the fixed block;
the expanding device comprises two end plates, the two end plates are respectively arranged on the same side of the fixed block, the two end plates are distributed up and down, the end plate positioned below is fixed on the fixed block, the end plate positioned above is connected onto the fixed block in a sliding manner, a telescopic device is arranged between the two end plates, and two ends of the telescopic device are respectively connected onto adjacent surfaces of the two end plates;
the opposite surfaces of the two end plates are respectively connected with an opening plate, the two opening plates are used for being contacted with saw kerfs of trees, an angle adjusting device is arranged between the opening plates and the end plates connected with the opening plates, and the angle adjusting device can be used for adjusting the inclination angle of the opening plates;
and a controller is fixed on the side wall of the fixed block, and the angle adjusting device and the telescopic device are electrically connected with the controller.
Preferably, a chute is arranged on one side of the end plate, which is close to the opening plate;
the angle adjusting device comprises a screw motor, the screw motor is fixed on one side wall in the chute, an output shaft of the screw motor is in transmission connection with a screw, one end of the screw, which is far away from the screw motor, is in rotational connection with the inner wall of the chute, the screw is connected with a screw slider, the screw slider is provided with internal threads, the screw is provided with external threads, the screw slider is in threaded connection with the screw, and the screw slider is driven to linearly move along the screw by rotation of the screw;
a limiting block is fixed on the screw rod sliding block, one end of the limiting block is fixed on the screw rod sliding block, and the other end of the limiting block is contacted with the expanding plate;
a support plate is fixed on the end plate, one end of the support plate is fixed on the end plate, and the other end of the support plate is hinged with the opening plate.
Preferably, the telescopic device is a hydraulic cylinder, the fixed end of the hydraulic cylinder is fixed on the end plate positioned below, the telescopic end of the hydraulic cylinder is fixed on the end plate positioned above, and the hydraulic cylinder is electrically connected with the controller.
Preferably, a pressure sensor is fixed between the telescopic end of the hydraulic cylinder and the end plate positioned above, a signal output end of the pressure sensor is electrically connected with a signal input end of the controller, and a signal output end of the controller is electrically connected with a signal input end of the hydraulic cylinder.
Preferably, the bottom of fixed block has seted up the cavity, the interior sliding connection of cavity has the lifter plate, the bottom both sides of lifter plate all are fixed with a firm stake, firm stake can follow the lower extreme accent department of cavity stretches out, the top both sides of lifter plate all are fixed with an electric putter, the top of electric putter and the inner chamber top fixed connection of cavity, the bottom of electric putter is fixed in on the lifter plate.
Preferably, a first limiting sliding groove is respectively formed in the inner walls of two sides of the cavity, a first limiting sliding block is connected in a sliding mode in the first limiting sliding groove, and the two first limiting sliding blocks are respectively fixedly connected with the two stabilizing piles.
Preferably, the fixed block is provided with a second limiting sliding groove corresponding to the upper side of one side wall of the opening mechanism, a second limiting sliding block is connected in the second limiting sliding groove in a sliding manner, and one side of the second limiting sliding block is fixedly connected with the end plate positioned above the second limiting sliding block.
Preferably, a plurality of conical blocks are uniformly distributed on the surface of the spreader plate.
Preferably, the outer side cover of the controller is provided with a protective cover.
Preferably, a fixing ring is fixed at the top of the fixing block.
Compared with the prior art, the invention has the following technical effects:
according to the invention, the device is close to a tree, two expanding plates are clamped in saw slits formed in one side of the surface of the tree, and then the expanding plates at the upper side are driven to be lifted by the telescopic device, so that the effect of expanding saw slits of the tree is achieved, the phenomenon of clamping the saw is avoided, the electric saw is effectively protected, workers operate the electric saw more labor-saving, and along with the progress of sawing the tree, the pressure sensor feeds back a pressure value to the controller, so that the telescopic device continuously lifts the expanding plates at the upper side, the supporting force is enough, the tree can be laid down, the assistance of the tree dumping direction is achieved, and the situation that the workers are injured due to the change of the tree dumping direction is avoided;
further, the electric push rod can drive the stable pile to descend, so that the stable pile is inserted into soil near trees, the whole device is stable in the using process, and the phenomenon that the whole device is toppled after the trees topple over is avoided;
the screw rod motor can drive the screw rod sliding block to move, so that the limiting block is driven to move, the opening plate is driven to conduct angle adjustment, the opening plate is enabled to be attached to the inner wall of the kerf formed in the surface of the tree, the attaching degree and the stability are improved, meanwhile, the friction between the opening plate and the inner wall of the kerf can be increased by utilizing the conical blocks on the surface of the opening plate, and the phenomenon of slipping is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of the overall structure of a felling booster robot according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a sectional structure of a fixed block in the felling booster robot according to the embodiment of the invention;
fig. 3 is a schematic view of a surface structure of a fixed block in the felling booster robot according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a spreader mechanism in the logging-assist robot according to an embodiment of the present invention;
in the figure: 1. a fixed block; 11. a cavity; 12. a lifting plate; 13. an electric push rod; 14. stabilizing the pile; 15. the first limiting chute; 16. the first limiting slide block; 17. the second limiting chute; 18. the second limit sliding block; 2. a fixing ring; 3. a spreader device; 31. an end plate; 32. a hydraulic cylinder; 33. a pressure sensor; 34. a chute; 35. a screw motor; 36. a screw rod; 37. a screw rod sliding block; 38. a limiting block; 39. a support plate; 310. an opening plate; 311. a conical block; 4. and a controller.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention aims to provide a felling power-assisted robot which is used for solving the technical problems in the prior art, and a supporting device is used for supporting the saw kerf of a tree, so that a feller can conveniently saw the tree by using an electric saw, the dumping direction of the tree can be controlled, and the damage to the feller is prevented.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Embodiment 1,
As shown in fig. 1-4, the present embodiment provides a logging assisting robot, which includes a fixed block 1, the fixed block 1 is in a rectangular block structure, the fixed block 1 can be fixed on the ground, and a spreader 3 is fixed on the fixed block 1;
the opening device 3 comprises two end plates 31, the two end plates 31 are respectively arranged on the same side of the fixed block 1, the two end plates 31 are vertically distributed, the end plate 31 positioned below is fixed on the fixed block 1, the end plate 31 positioned above is slidably connected to the fixed block 1, namely, the end plate 31 positioned above can move up and down, a telescopic device is arranged between the two end plates 31, the telescopic device can be lengthened or shortened, two ends of the telescopic device are respectively connected to adjacent surfaces of the two end plates 31, and the adjacent surfaces are the lower surface of the upper end plate 31 and the upper surface of the lower end plate 31;
the opposite surfaces of the two end plates 31 are respectively connected with an opening plate 310, the opposite surfaces are the upper surface of the upper end plate 31 and the lower surface of the lower end plate 31, the two opening plates 310 are used for being contacted with saw joints of trees, an angle adjusting device is arranged between the opening plates 310 and the end plates 31 connected with the opening plates, the angle adjusting device can be used for adjusting the inclination angle of the opening plates 310, and the included angle between the two opening plates 310 is matched with the saw joint angle opened on the trees;
the side wall of the fixed block 1 is fixed with a controller 4, the controller 4 can be a control panel or a PLC controller 4, and the angle adjusting device and the telescopic device are electrically connected with the controller 4 and are uniformly operated and controlled by the controller 4.
When in actual use, the fixing block 1 is required to be fixed on the ground near the tree, then the tightening device is stretched into the saw kerf sawn in advance, and the positions of the expanding plates 310 are adjusted through the adjusting telescopic device and the angle adjusting device, so that the two expanding plates 310 are matched with the upper side and the lower side of the saw kerf sawn by the tree, and the phenomenon of clamping saw can be effectively avoided under the supporting action of the expanding plates 310, so that the electric saw can be protected, and the saw can be conveniently sawn by a feller. In addition, because of its holding power, can also prevent trees to felling workman's direction and fall to can improve the security.
In this embodiment, as shown in fig. 4, for the specific structure of the angle adjusting device, a sliding groove 34 is provided on one side of the end plate 31 close to the spreader plate 310, i.e. opposite sides of the two end plates 31 are respectively provided with a sliding groove 34;
the angle adjusting device comprises a screw motor 35, the screw motor 35 is fixed on one side wall in the sliding groove 34, an output shaft of the screw motor 35 is in transmission connection with a screw 36, one end of the screw 36 away from the screw motor 35 is in rotational connection with the inner wall of the sliding groove 34, and in order to reduce friction, a bearing can be arranged at one end of the screw 36 away from the screw motor 35, so that friction between the screw 36 and the inner wall of the sliding groove 34 is reduced. In addition, a screw slider 37 is connected to the screw 36, the screw slider 37 is provided with an internal thread, the screw 36 is provided with an external thread, the screw slider 37 is in threaded connection with the screw 36, and at the same time, the width of the screw slider 37 is matched with the width of the chute 34, that is, two sides of the chute 34 can limit the screw slider 37 so that the screw slider 37 cannot rotate along with the screw slider under the action of rotation of the screw 36, thereby forming a common screw 36 nut pair mechanism. Finally, the screw rod 36 rotates to drive the screw rod sliding block 37 to linearly move along the axial direction of the screw rod 36;
in addition, a limiting block 38 is fixed on the screw rod sliding block 37, one end of the limiting block 38 is fixed on the screw rod sliding block 37, the other end of the limiting block 38 is in contact with the expanding plate 310, and one surface of the limiting block 38, which is in contact with the expanding plate 310, is set to be an inclined surface, and the expanding plate 310 is in an inclined state generally, so that the contact area of the limiting block and the expanding plate is larger;
the end plate 31 is fixed with a support plate 39, one end of the support plate 39 is fixed on the end plate 31, the other end of the support plate 39 is hinged with one end of the spreader plate 310 far away from the fixed block 1, and the purpose of the hinge is to adapt to the angle change of the spreader plate 310, so that the spreader plate is always connected with the spreader plate 310.
When the included angle between the two spreader plates 310 is required to be larger, the controller 4 controls the screw motor 35 to rotate, the screw motor 35 rotates to drive the screw slider 37 to do reciprocating linear motion on the screw 36 and drive the limiting block 38 to do synchronous motion, the spreader plates 310 are pushed to rotate under the action of the limiting block 38 and pushing, and finally the spreader plates 310 do rotary motion relative to the support plates 39, so that the angle of the spreader plates 310 is adjusted to be in contact with saw kerfs on trees.
In this embodiment, the telescopic device is a hydraulic cylinder 32, the fixed end of the hydraulic cylinder 32 is fixed on the end plate 31 located below, the telescopic end of the hydraulic cylinder 32 is fixed on the end plate 31 located above, the hydraulic cylinder 32 is electrically connected with the controller 4, and the controller 4 can control the telescopic operation of the hydraulic cylinder 32, so that the distance between the two end plates 31 can be adjusted. Of course, those skilled in the art can replace it with other types of telescopic devices, such as air cylinders, electric telescopic rods, etc.
In this embodiment, a pressure sensor 33 is fixed between the telescopic end of the hydraulic cylinder 32 and the upper end plate 31, and the signal output end of the pressure sensor 33 is electrically connected to the signal input end of the controller 4, and the signal output end of the controller 4 is electrically connected to the signal input end of the hydraulic cylinder 32. In the process that the hydraulic cylinder 32 drives the spreader plate 310 to spread, the pressure sensor 33 can feed back pressure, the pressure at the position can feed back the spreading force of the spreader plate 310, the spreader force of the hydraulic cylinder 32 driving the spreader plate 310 is enough, and along with the progress of tree sawing of a feller, the hydraulic cylinder 32 continuously supports the spreader plate 310, so that the spreader plate 310 is ensured to have enough spreading force to spread the saw kerfs on the trees.
In this embodiment, the bottom of the fixed block 1 is provided with a cavity 11, an orifice of the cavity 11 is located at the lower end of the fixed block 1, and a lifting plate 12 is connected in the inner sliding of the cavity 11, and the lifting plate 12 can move up and down in the cavity 11. The two sides of the bottom of the lifting plate 12 are respectively fixed with a stabilizing pile 14, the stabilizing piles 14 can extend out from the cavity mouth of the lower end of the cavity 11, and the lower ends of the stabilizing piles 14 are pointed ends, so that the stabilizing piles 14 can be conveniently inserted into soil. An electric push rod 13 is fixed on two sides of the top of the lifting plate 12, the top of the electric push rod 13 is fixedly connected with the top of the inner cavity of the cavity 11, the bottom of the electric push rod 13 is fixed on the lifting plate 12, the electric push rod 13 is electrically connected with the controller 4, and the controller 4 controls the electric push rod to move up and down. When the device is used, the lifting plate 12 can be driven to descend through the electric push rod 13, so that the stabilizing pile 14 can be inserted into the soil on the ground, the whole device is finally stabilized, the stability is high, and in addition, when the device is not used, the electric push rod 13 can store the stabilizing pile 14 in the cavity 11, so that the damage to workers caused by exposing the pointed end of the stabilizing pile 14 is avoided.
In this embodiment, a first limiting chute 15 is respectively provided on the inner walls of two sides of the cavity 11, the two first limiting chutes 15 respectively correspond to the positions of the two stabilizing piles 14, and a first limiting slide 16 is slidably connected in the first limiting chute 15, and it should be noted that the width of the notch of the first limiting chute 15 is smaller than that of the first limiting slide 16, so that the first limiting chute 15 can play a limiting role on the first limiting slide 16, and the first limiting slide 16 can only slide in the first limiting chute 15 and cannot be separated from the first limiting chute 15. In addition, two first limit sliders 16 are respectively fixedly connected with two stabilizing piles 14. When the stabilizing pile 14 is lifted, the first limiting slide block 16 moves up and down along with the stabilizing pile 14, and the track of the stabilizing pile 14 is limited by sliding the first limiting slide block 16 in the first limiting slide groove 15, so that the lifting stability of the stabilizing pile 14 can be ensured.
In this embodiment, a second limiting chute 17 is provided on the upper side of a side wall of the fixed block 1 corresponding to the opening mechanism, and a second limiting slider 18 is connected to the inner slide of the second limiting chute 17. Similarly, the width of the notch of the second limiting sliding groove 17 is smaller than the width of the second limiting sliding groove 18, so that the second limiting sliding groove 17 can perform a limiting function on the second limiting sliding groove 18, and the second limiting sliding groove 18 can only slide in the second limiting sliding groove 17 and cannot be separated from the second limiting sliding groove 17. In addition, one side of the second limiting slide block 18 is fixedly connected with the upper end plate 31, and when the upper end plate 31 moves up and down, the second limiting slide block 18 is driven to move up and down together, and the lifting track of the upper end plate 31 can be limited by using the second limiting slide block 18, so that the lifting stability of the upper end plate 31 is improved.
In this embodiment, a plurality of conical blocks 311 are uniformly distributed on the surface of the spreader plate 310. The friction force between the spreader plate 310 and the inner wall of the tree kerf can be improved by using the conical blocks 311, so that the phenomenon that the spreader plate 310 slips is avoided.
In this embodiment, the outer cover of the controller 4 is provided with a protective cover, and the controller 4 can be protected by the protective cover. In addition, a switch door can be arranged on the protective cover, so that the maintenance or the operation of the protective cover is convenient.
In this embodiment, the top of the fixing block 1 is fixed with a fixing ring 2, and the fixing ring 2 is a circular ring, so as to facilitate the staff to grasp the whole device.
Embodiment II,
The embodiment provides a felling method of a felling booster robot, which comprises the following steps:
firstly, when felling staff fells, firstly, respectively cutting two side walls of the tail end of a tree by using an electric saw, and then continuously sawing the tree in one of the saw cuts by using the electric saw, so that the tree falls to the direction of the other saw cut;
step two, in the process of sawing the tree, placing the felling booster robot at the saw kerf where the electric saw is located, and then inserting two spreader plates 310 of the felling booster robot into the saw kerf;
step three, starting an electric push rod 13 to drive a stable pile 14 to descend and insert into soil, so that the whole felling booster robot is kept stable;
step four, starting a screw motor 35, and driving a screw 36 to rotate by using the screw motor 35, so that a screw slider 37 slides in a chute 34, and the screw slider 37 drives a limiting block 38 to synchronously move, so that the gradient of a spreader plate 310 can be adjusted, and the spreader plate 310 is more attached to the inner wall of a saw kerf formed in a tree;
step five, simultaneously, the hydraulic cylinder 32 is utilized to drive the end plate 31 positioned above to lift, so that the two expansion plates 310 can expand saw kerfs on trees, workers can operate the electric saw to save labor, a certain auxiliary orientation effect is achieved on the dumping of the trees, the hydraulic cylinder 32 drives the expansion plates 310 to expand, the pressure sensor 33 feeds back pressure to the controller 4 in the process of expanding the expansion plates 310, the pressure at the position can feed back the expanding force of the expansion plates 310, and the hydraulic cylinder 32 is ensured to support the expanding force of the expansion plates 310;
step six, as the electric saw the tree, the controller 4 can make the hydraulic cylinder 32 continuously give a spreading force to the spreading plate 310 until the tree is laid down.
The whole process can effectively avoid the phenomenon of clamping the saw, protects the electric saw and ensures that the electric saw is more labor-saving to be operated by a worker.
The principles and embodiments of the present invention have been described in this specification with reference to specific examples, the description of which is only for the purpose of aiding in understanding the method of the present invention and its core ideas; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.

Claims (4)

1. Felling helping hand robot, its characterized in that: the device comprises a fixed block (1), wherein the fixed block (1) can be used for being fixed on the ground, and an opening device (3) is fixed on the fixed block (1);
the opening device (3) comprises two end plates (31), the two end plates (31) are respectively arranged on the same side of the fixed block (1), the two end plates (31) are distributed up and down, the end plate (31) positioned below is fixed on the fixed block (1), the end plate (31) positioned above is slidably connected onto the fixed block (1), a telescopic device is arranged between the two end plates (31), and two ends of the telescopic device are respectively connected onto adjacent surfaces of the two end plates (31);
the opposite surfaces of the two end plates (31) are respectively connected with an opening plate (310), the two opening plates (310) are used for being contacted with saw kerfs of trees, an angle adjusting device is arranged between the opening plates (310) and the end plates (31) connected with the opening plates, and the angle adjusting device can be used for adjusting the inclination angle of the opening plates (310);
a controller (4) is fixed on the side wall of the fixed block, and the angle adjusting device and the telescopic device are electrically connected with the controller (4);
the bottom of the fixed block (1) is provided with a cavity (11), the cavity (11) is connected with a lifting plate (12) in a sliding manner, two sides of the bottom of the lifting plate (12) are respectively fixed with a stabilizing pile (14), the stabilizing piles (14) can extend out from a cavity opening at the lower end of the cavity (11), two sides of the top of the lifting plate (12) are respectively fixed with an electric push rod (13), the top of the electric push rod (13) is fixedly connected with the top of an inner cavity of the cavity (11), and the bottom of the electric push rod (13) is fixed on the lifting plate (12);
a chute (34) is arranged on one side of the end plate (31) close to the opening plate (310);
the angle adjusting device comprises a screw motor (35), the screw motor (35) is fixed on one side wall in the sliding groove (34), a screw (36) is connected with an output shaft of the screw motor (35) in a transmission way, one end, far away from the screw motor (35), of the screw (36) is rotationally connected with the inner wall of the sliding groove (34), a screw slider (37) is connected onto the screw (36), the screw slider (37) is provided with an internal thread, the screw (36) is provided with an external thread, the screw slider (37) is in threaded connection with the screw (36), and the screw slider (37) is driven to linearly move along the screw (36) by rotation of the screw (36);
a limiting block (38) is fixed on the screw rod sliding block (37), one end of the limiting block (38) is fixed on the screw rod sliding block (37), and the other end of the limiting block (38) is contacted with the expanding plate (310);
a support plate (39) is fixed on the end plate (31), one end of the support plate (39) is fixed on the end plate (31), and the other end of the support plate (39) is hinged with the opening plate (310);
the telescopic device is a hydraulic cylinder (32), the fixed end of the hydraulic cylinder (32) is fixed on the end plate (31) positioned below, the telescopic end of the hydraulic cylinder (32) is fixed on the end plate (31) positioned above, and the hydraulic cylinder (32) is electrically connected with the controller (4);
a pressure sensor (33) is fixed between the telescopic end of the hydraulic cylinder (32) and the end plate (31) positioned above, the signal output end of the pressure sensor (33) is electrically connected with the signal input end of the controller (4), and the signal output end of the controller (4) is electrically connected with the signal input end of the hydraulic cylinder (32);
a first limiting sliding groove (15) is respectively formed in the inner walls of the two sides of the cavity (11), a first limiting sliding block (16) is connected in a sliding mode in the first limiting sliding groove (15), and the two first limiting sliding blocks (16) are respectively and fixedly connected with the two stabilizing piles (14);
a second limiting sliding groove (17) is formed in one side wall of the fixed block (1) corresponding to the opening device (3), a second limiting sliding block (18) is connected in a sliding manner in the second limiting sliding groove (17), and one side of the second limiting sliding block (18) is fixedly connected with the end plate (31) located above.
2. A logging assist robot as claimed in claim 1, wherein: the surface of the spreader plate (310) is uniformly distributed with a plurality of conical blocks (311).
3. A logging assist robot as claimed in claim 1, wherein: the outer side of the controller (4) is covered with a protective cover.
4. A logging assist robot as claimed in claim 1, wherein: the top of the fixed block (1) is fixed with a fixed ring (2).
CN202211430466.6A 2022-11-15 2022-11-15 Felling power-assisted robot Active CN115648352B (en)

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CN115648352B true CN115648352B (en) 2023-10-27

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GB2029797A (en) * 1978-09-15 1980-03-26 Dushku V Tree Felling Jack
CN88203912U (en) * 1988-03-01 1988-11-30 徐兆录 Safety jack for lumbering
DE202013008512U1 (en) * 2013-09-25 2014-01-09 Bernhard Graf Gelenkspreizvorrichtung
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CN110754322A (en) * 2019-11-20 2020-02-07 河南省国有西华林场 Adjustable safe felling device
CN213486162U (en) * 2020-06-22 2021-06-22 曾淑萍 Felling saw with prevent pressing from both sides saw function
CN213246047U (en) * 2020-07-24 2021-05-25 彭水县昌农水果种植专业合作社 Fruit growing uses trees strutting arrangement

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