CN111758526A

CN111758526A - Special electric saw of lumbering of high security

Info

Publication number: CN111758526A
Application number: CN202010829940.7A
Authority: CN
Inventors: 何锦霞
Original assignee: Hefei Longtutem Information Technology Co ltd
Current assignee: Hefei Longtutem Information Technology Co ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2020-10-13

Abstract

The invention discloses a high-safety special electric saw for felling wood, which comprises a strip-shaped plate, wherein two symmetrically-arranged support frames are arranged at the left end of the lower surface of the strip-shaped plate, a first clamping piece of each support frame is fixedly connected with the lower surface of the strip-shaped plate, a bottom plate is arranged at the fixed end of a first electric telescopic rod of each support frame, four uniformly-distributed trundles are arranged on the side surface of the bottom plate, and an adjusting frame is arranged at the right end of the upper surface of the bottom plate. This special electric saw of lumbering of high security, convenient the removal, it is fixed convenient, good stability, can carry out spacing fixed to the electric saw, can also adjust the inclination and the height of electric saw, and can adjust the position of electric saw indirectly through drive arrangement, make the electric saw can accomplish lumbering work, can avoid closely operating the saw-dust to cause harm to lumbering workman's health, can avoid trees to cause the threat to lumbering workman's health when empting simultaneously, and the security is high, high convenient to use.

Description

Special electric saw of lumbering of high security

Technical Field

The invention relates to the technical field of electric saws, in particular to a high-safety electric saw special for felling wood.

Background

The electric saw is also called a power saw, and can greatly save time and labor consumed by cutting materials. The electric saw is powered by electricity and is used as a cutting tool for cutting wood, stone, steel and the like, and sharp teeth are arranged on the edge of the electric saw. Fixed and portable of branch hand, the saw blade is generally made with the instrument steel, has circularly, multiple such as bar and chain, current special electric saw of lumbering is the portable electric saw of lumbering personnel usually, then carries out the lumbering operation, extravagant manpower, the saw-dust that the lumbering in-process produced causes harm to lumbering personnel's health easily moreover, when lumbering personnel fell on the trees next door, also easily causes certain threat to lumbering personnel's health when trees fall down, the security is lower.

Disclosure of Invention

The invention aims to overcome the existing defects, provides the special electric saw for felling with high safety, is convenient to move, convenient to fix and good in stability, can limit and fix the electric saw, can adjust the inclination angle and the height of the electric saw, can indirectly adjust the position of the electric saw through the driving device, enables the electric saw to finish felling work, can avoid harm of short-distance operation wood chips to the health of fellers, can avoid threat to the health of fellers when the trees are toppled over, is high in safety and convenient to use, and can effectively solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a special electric saw of lumbering of high security, includes the bar shaped plate, the lower surface left end of bar shaped plate is equipped with the support frame that two symmetries set up, the first fastener of support frame and the lower fixed surface of bar shaped plate are connected, and the first electric telescopic handle stiff end of support frame is equipped with the bottom plate, the side of bottom plate is equipped with four evenly distributed's truckle, the upper surface right-hand member of bottom plate is equipped with the alignment jig, the stiff end and the bottom plate fixed connection of the second electric telescopic handle of alignment jig, and the lower surface right-hand member fixed connection of the limiting plate of alignment jig and bar shaped plate, the upper surface of bottom plate is equipped with the rectangular hole that two symmetries set up, and is equipped with positioner in the middle part of the upper surface of bottom plate, positioner's third.

The upper surface of strip shaped plate is equipped with first spout, the medial surface of spout is equipped with evenly distributed's roller bearing, and the inside slip of spout is provided with first slider, the side middle part of first slider is equipped with the nut, the inside of nut is equipped with drive arrangement.

The driving device comprises a screw rod, the screw rod is in threaded connection with a nut, the left end of the screw rod is fixedly connected with an output shaft of the servo motor through a coupler, the servo motor is fixedly connected with the left side face of the strip-shaped plate through a fixing seat, and two ends of the side face of the screw rod are rotatably connected with the strip-shaped plate through bearings.

The upper surface of the first sliding block is connected with the fixed end of a fourth electric telescopic rod, the telescopic end of the fourth electric telescopic rod is provided with a mounting plate, the upper surface of the mounting plate is provided with two symmetrically arranged buffering devices, the middle part of the upper surface of the mounting plate is provided with two symmetrically arranged second sliding chutes, the inside of each second sliding chute is provided with a second sliding block in a sliding manner, the upper surface of the second sliding block is fixedly connected with the upper surface of a fixing plate, the upper surface of the fixing plate is provided with four uniformly distributed third screw holes, an electric saw is arranged on the upper surface of the fixing plate, a positioning piece is arranged at the upper end of the electric saw, a second fixing bolt of the fixing piece is in threaded connection with the third screw holes, two symmetrically arranged fourth screw holes are arranged in front of the fixing plate, the middle part of the front surface of the fixing plate is provided with a rectangular groove, a fixing piece is arranged inside the rectangular groove, and the first fixing bolt of, the input end of the servo motor and the input end of the fourth electric telescopic rod are electrically connected with the output end of the external switch group.

As a preferred technical solution of the present invention, the support frame includes a first clamping member, the first clamping member is rotatably connected to a second clamping member, the second clamping member is fixedly connected to a telescopic end of the first electric telescopic rod, a fixed end of the first electric telescopic rod is fixedly connected to an upper surface of the base plate, and an input end of the first electric telescopic rod is electrically connected to an output end of the external switch set.

According to a preferable technical scheme, the adjusting frame comprises a limiting plate, a strip-shaped sliding groove is formed in the side face of the limiting plate, a guide rod is arranged inside the strip-shaped sliding groove in a sliding mode, two symmetrically-arranged connecting pieces are arranged on the lower surface of the guide rod, the guide rod is rotatably connected with the telescopic end of the second electric telescopic rod through the connecting pieces, the fixed end of the second electric telescopic rod is fixedly connected with the upper surface of the bottom plate, and the input end of the second electric telescopic rod is electrically connected with the output end of the external switch group.

As a preferred technical solution of the present invention, the positioning device includes a third electric telescopic rod, a telescopic end of the third electric telescopic rod is fixedly connected to a middle portion of a lower surface of the rectangular plate, conical rods are uniformly distributed on a lower surface of the rectangular plate corresponding to the rectangular holes, and an input end of the third electric telescopic rod is electrically connected to an output end of the external switch set.

As a preferable technical scheme of the invention, six conical rods are provided, and the six conical rods are divided into two groups which are symmetrically distributed at the left end and the right end of the lower surface of the rectangular plate.

As a preferred technical scheme of the invention, the buffer device comprises a vertical plate, the vertical plate is fixedly connected with the upper surface of the mounting plate, a shock absorber is arranged on the inner side surface of the vertical plate, and a push plate is arranged at one end, far away from the vertical plate, of the shock absorber.

As a preferred technical scheme of the invention, twelve shock absorbers are provided, and the twelve shock absorbers are divided into two groups and respectively distributed on the inner side surfaces of the two vertical plates in a rectangular manner.

As a preferable technical scheme, the fixing part comprises a clamping plate, the clamping plate is movably clamped with the rectangular groove, the upper surface of the clamping plate is provided with a clamping column, the side surface of the clamping plate is provided with two first screw holes which are symmetrically arranged, and the inner threads of the first screw holes are connected with first fixing bolts.

According to a preferable technical scheme, the positioning piece comprises a positioning plate, a positioning sleeve is arranged on the upper surface of the positioning plate and movably clamped with the electric saw, strip-shaped holes are formed in the side surface of the positioning sleeve, four second screw holes are uniformly distributed on the upper surface of the positioning plate, and second fixing bolts are connected to the inner threads of the second screw holes in a threaded mode.

As a preferable technical scheme of the invention, the number of the strip-shaped holes is eight, and the eight strip-shaped holes are distributed on the side surface of the positioning sleeve in an annular shape and have equal radian.

Compared with the prior art, the invention has the beneficial effects that:

1. this special electric saw of lumbering of high security can highly adjust the both ends of bar panel through first electric telescopic handle and the electric telescopic rod of second, make the bar panel slope, thereby make the bar panel indirectly drive the electric saw slope, be convenient for adjust the lumbering angle of electric saw, can also highly adjust the mounting panel through fourth electric telescopic rod, make the mounting panel can drive the electric saw through the fixed plate and remove, thereby highly adjust the electric saw, be convenient for adjust the position of lumbering.

2. This special electric saw of lumbering of high security can drive the bottom plate through the truckle and remove to make the bottom plate indirectly drive whole special electric saw of lumbering and remove, practice thrift the manpower, can also drive the rectangular plate through third electric telescopic handle and remove, make the rectangular plate can drive the toper pole and remove, thereby make the toper pole insert ground, be convenient for fix a position fixedly to the bottom plate, conveniently drive the bottom plate at lumbering in-process truckle and remove, improve the stability of bottom plate, improve the lumbering effect.

3. This special electric saw of lumbering of high security, servo motor can drive the screw rod through the shaft coupling and rotate, makes the screw rod drive the first slider of nut, makes first slider can indirectly drive the electric saw and remove, makes the electric saw can cut down the timber operation, can reduce the friction when first slider removes through the roller bearing simultaneously, can reduce the friction when screw rod rotates through the bearing simultaneously, reduces the waste of energy.

4. This special electric saw of lumbering of high security can be through the surface of mounting and setting element with the spacing fixed to the fixed plate of electric saw, can also improve the radiating effect of electric saw through the bar hole, can make the fixed plate can drive the electric saw through the second slider and remove the certain distance simultaneously to can promote the electric saw through the push pedal that has the bumper shock absorber, play the effect of protection electric saw, the normal work of the electric saw of being convenient for simultaneously.

5. This special electric saw of lumbering of high security, convenient the removal, it is fixed convenient, good stability, can carry out spacing fixed to the electric saw, can also adjust the inclination and the height of electric saw, and can adjust the position of electric saw indirectly through drive arrangement, make the electric saw can accomplish lumbering work, can avoid closely operating the saw-dust to cause harm to lumbering workman's health, can avoid trees to cause the threat to lumbering workman's health when empting simultaneously, and the security is high, high convenient to use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic bottom view of the structure of the present invention.

In the figure: 1 strip-shaped plate, 2 support frames, 21 first clamping piece, 22 second clamping piece, 23 first electric telescopic rod, 3 bottom plate, 31 trundle, 32 rectangular hole, 4 adjusting frames, 41 limit plate, 42 guide rod, 43 connecting piece, 44 second electric telescopic rod, 5 positioning device, 51 third electric telescopic rod, 52 rectangular plate, 53 conical rod, 6 mounting plate, 61 fourth electric telescopic rod, 62 second sliding groove, 7 fixing plate, 71 second sliding block, 72 rectangular groove, 8 buffer device, 81 vertical plate, 82 shock absorber, 83 push plate, 9 fixing piece, 91 clamping plate, 92 clamping column, 93 first screw hole, 94 first fixing bolt, 10 positioning piece, 101 positioning plate, 102 positioning sleeve, 103 strip-shaped hole, 104 second screw hole, 105 second fixing bolt, 11 third screw hole, 111 fourth screw hole, 12 electric saw, 13 first sliding groove, 131 roller, 14 first sliding block, 141 nut, 15 driving device, 151 fixing seat, fixing seat, 152 servo motor, 153 shaft coupling, 154 screw rod, 16 bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a high-safety special electric saw for felling trees comprises a strip-shaped plate 1, wherein two symmetrically arranged support frames 2 are arranged at the left end of the lower surface of the strip-shaped plate 1, each support frame 2 comprises a first clamping piece 21, the first clamping piece 21 is rotatably connected with a second clamping piece 22, the second clamping piece 22 is fixedly connected with the telescopic end of the first electric telescopic rod 22, the fixed end of the first electric telescopic rod 23 is fixedly connected with the upper surface of a bottom plate 3, the input end of the first electric telescopic rod 23 is electrically connected with the output end of an external switch group, the first clamping piece 21 of the support frame 2 is fixedly connected with the lower surface of the strip-shaped plate 1, the fixed end of the first electric telescopic rod 23 of each support frame 2 is provided with the bottom plate 3, the side surface of the bottom plate 3 is provided with four uniformly distributed trundles 31, the bottom plate 3 can be driven to move through the trundles 31, so that the bottom plate 3 indirectly drives the whole special electric, the adjusting frame 4 comprises a limiting plate 41, a bar-shaped chute is arranged on the side surface of the limiting plate 41, a guide rod 42 is slidably arranged in the bar-shaped chute, two connecting pieces 43 which are symmetrically arranged are arranged on the lower surface of the guide rod 42, the guide rod 42 is rotatably connected with the telescopic end of a second electric telescopic rod 44 through the connecting pieces 43, the fixed end of the second electric telescopic rod 44 is fixedly connected with the upper surface of the bottom plate 3, the input end of the second electric telescopic rod 44 is electrically connected with the output end of an external switch group, the fixed end of the second electric telescopic rod 44 of the adjusting frame 4 is fixedly connected with the bottom plate 3, a limiting plate 41 of the adjusting frame 4 is fixedly connected with the right end of the lower surface of the bar-shaped plate 1, the heights of the two ends of the bar-shaped plate 1 can be adjusted through the first electric telescopic rod 23 and the second electric telescopic rod 44, so that the bar-shaped plate 1 is inclined, the upper surface of the bottom plate 3 is provided with two rectangular holes 32 which are symmetrically arranged, the first electric telescopic rod 23 is controlled to work by an external switch group, the first electric telescopic rod 23 drives the left end of the strip-shaped plate 1 to move up and down by the second clamping piece 22 and the first clamping piece 21, the right end of the strip-shaped plate 1 drives the limiting plate 41 to move, the guide rod 42 moves inside the strip-shaped chute, so that the strip-shaped plate 1 inclines, the strip-shaped plate 1 indirectly drives the electric saw 12 to incline, the middle part of the upper surface of the bottom plate 3 is provided with a positioning device 5, the positioning device 5 comprises a third electric telescopic rod 51, the telescopic end of the third electric telescopic rod 51 is fixedly connected with the middle part of the lower surface of the rectangular plate 52, the lower surfaces of the rectangular plate 52 corresponding to the rectangular holes 32 are provided with conical rods 53 which are uniformly distributed, the input end of the third electric telescopic rod 51 is electrically connected with the output end of, conical rod 53 has six, and six conical rod 53 divide equally two sets ofly at the left and right ends symmetric distribution of rectangular plate 52 lower surface, can drive rectangular plate 52 through third electric telescopic handle 51 and remove, make rectangular plate 52 can drive conical rod 53 and remove to make conical rod 53 insert ground, be convenient for fix a position fixedly to bottom plate 3, the convenience drives bottom plate 3 and removes at lumbering in-process truckle 31, improves bottom plate 3's stability, improves the lumbering effect.

The upper surface of the strip-shaped plate 1 is provided with a first chute 13, the inner side surface of the first chute 13 is provided with uniformly distributed rollers 131, a first slider 14 is arranged in the chute 131 in a sliding manner, the middle part of the side surface of the first slider 14 is provided with a nut 141, a driving device 15 is arranged in the nut 141, and the rollers 131 can reduce friction when the first slider 14 moves.

The driving device 15 comprises a screw 154, the screw 154 is in threaded connection with the nut 141, the left end of the screw 154 is fixedly connected with the output shaft of the servo motor 152 through a coupling 153, the servo motor 152 is fixedly connected with the left side surface of the strip-shaped plate 1 through a fixing seat 151, both ends of the side surface of the screw 154 are rotatably connected with the strip-shaped plate 1 through bearings 16, the servo motor 152 can drive the screw 154 to rotate through the coupling 153, so that the screw 154 can drive the first slider 14 of the nut 141, the first slider 141 can indirectly drive the electric saw 12 to move, the electric saw 12 can be used for felling, meanwhile, friction generated when the first slider 14 moves can be reduced through the rolling shaft 131, friction generated when the screw 154 rotates can be reduced through the bearings 16, waste of energy is reduced, when felling is needed, the electric saw 12 is firstly opened to be in a working state, and then the servo motor 152 is controlled to work through an external switch group, servo motor 152 passes through shaft coupling 153 and drives screw rod 154 and rotate, and screw rod 154 passes through nut 141 and drives first slider 14 and remove, and first slider 14 drives mounting panel 6 through fourth electric telescopic handle 61 and removes, and mounting panel 6 drives 12 lateral shifting of electric saw through fixed plate 7, and 12 lateral shifting in-process of electric saw is sawed trees.

The upper surface of the first sliding block 14 is connected with the fixed end of the fourth electric telescopic rod 61, the telescopic end of the fourth electric telescopic rod 61 is provided with the mounting plate 6, the height of the mounting plate 6 can be adjusted through the fourth electric telescopic rod 61, so that the mounting plate 6 can drive the electric saw 12 to move through the fixing plate 7, the height of the electric saw 12 is adjusted, the position for cutting is convenient to adjust, the upper surface of the mounting plate 6 is provided with two buffer devices 8 which are symmetrically arranged, each buffer device 8 comprises a vertical plate 81, the vertical plate 81 is fixedly connected with the upper surface of the mounting plate 6, the inner side surface of the vertical plate 81 is provided with a shock absorber 82, one end of the shock absorber 82, far away from the vertical plate 81, is provided with a push plate 83, the electric saw 12 can be pushed through the push plate 83 with the shock absorber 82, the effect of protecting the electric saw 12 is achieved, meanwhile, the normal, and twelve shock absorbers 82 are divided into two groups and respectively distributed on the inner side surfaces of the two vertical plates 81 in a rectangular shape, when the electric saw 12 encounters large resistance in the moving process, the tree pushes the electric saw 12, the electric saw 12 drives the fixing plate 7 to move along the second sliding groove 62, meanwhile, the side surface of the motor 12 extrudes the push plate 83, the push plate 83 extrudes the shock absorbers 82, the shock absorbers 82 deform, so that the shock absorbers have a buffering effect, the middle part of the upper surface of the mounting plate 6 is provided with the two symmetrically arranged second sliding grooves 62, the inside of the second sliding groove 62 is provided with the second sliding block 71 in a sliding manner, the upper surface of the second sliding block 71 is fixedly connected with the upper surface of the fixing plate 7, the fixing plate 7 can drive the electric saw 12 to move for a certain distance through the second sliding block 71, the upper surface of the fixing plate 7 is provided with four uniformly distributed third screw holes 11, and the upper surface of the fixing, the upper end of the electric saw 12 is provided with a positioning piece 10, the positioning piece 10 comprises a positioning plate 101, the upper surface of the positioning plate 101 is provided with a positioning sleeve 102, the positioning sleeve 102 is movably clamped with the electric saw 12, the side surface of the positioning sleeve 102 is provided with a strip-shaped hole 103, the upper surface of the positioning plate 101 is provided with four second screw holes 104 which are uniformly distributed, the inner threads of the second screw holes 104 are connected with second fixing bolts 105, the strip-shaped holes 103 are eight, the eight strip-shaped holes 103 are distributed on the side surface of the positioning sleeve 102 in an equal radian and annular shape, the second fixing bolts 105 of the fixing piece 10 are in threaded connection with third screw holes 11, the front surface of the fixing plate 7 is provided with two fourth screw holes 111 which are symmetrically arranged, the middle part of the front surface of the fixing plate 7 is provided with a rectangular groove 72, the inside of the rectangular groove 72 is provided with a fixing piece 9, the fixing piece 9 comprises a, two first screw holes 93 symmetrically arranged on the side surface of the clamping plate 91, a first fixing bolt 94 is connected with the internal thread of the first screw hole 93, the first fixing bolt 94 of the fixing piece 9 is in threaded connection with the fourth screw hole 111, the electric saw 12 can be fixed on the surface of the fixing plate 7 in a limiting way through the fixing piece 9 and the positioning piece 10, the heat dissipation effect of the electric saw 12 can be improved through the strip-shaped hole 103, the input end of the servo motor 152 and the input end of the fourth electric telescopic rod 61 are both electrically connected with the output end of the external switch group, the external switch group is provided with control buttons corresponding to the first electric telescopic rod 23, the second electric telescopic rod 44, the third electric telescopic rod 51, the fourth electric telescopic rod 61 and the servo motor 152, the whole high-safety special electric saw for lumbering is convenient to move, convenient to fix and good in stability, the electric saw 12 can be fixed in a limiting way, and the inclination angle and the height, and can adjust the position of electric saw 12 indirectly through drive arrangement 15, make electric saw 12 can accomplish the lumbering work, can avoid closely operating the saw-dust to cause harm to lumbering workman's health, can avoid simultaneously causing the threat to lumbering workman's health when trees empty, the security is high, convenient to use.

When in use: placing the electric saw 12 on the surface of the fixing plate 7, clamping the positioning sleeve 102 with the motor 12, clamping the clamping plate 91 with the rectangular groove 72, clamping the handle of the electric saw 12 with the clamping column 92, connecting the second fixing bolt 105 with the second screw hole 104 and the third screw hole 11 by screw thread, connecting the first fixing bolt 94 with the first screw hole 93 and the fourth screw hole 111 by screw thread, thereby fixedly connecting the electric saw 12 with the fixing plate 7, pushing the bottom plate 3 to the side of the tree, controlling the third electric telescopic rod 51 to shorten by the external switch group, driving the tapered rod 53 to move downwards by the third electric telescopic rod 51 through the rectangular plate 52, inserting the tapered rod 53 into the ground, thereby fixing the bottom plate 3, controlling the first electric telescopic rod 23 to work by the external switch group, driving the left end of the strip-shaped plate 1 to move upwards and downwards by the first electric telescopic rod 23 through the second clamping piece 22 and the first clamping piece 21, driving the limiting plate 41 to move by the right end of the strip-shaped, the guide rod 42 moves in the strip-shaped chute, so that the strip-shaped plate 1 inclines, the strip-shaped plate 1 indirectly drives the electric saw 12 to incline, the fourth electric telescopic rod 61 is controlled to work through the external switch group, the fourth electric telescopic rod 61 pushes the mounting plate 6 to move upwards, the mounting plate 6 pushes the fixing plate 7 to move upwards through the second sliding block 71, the fixing plate 7 drives the electric saw 12 to move, so that the height of the electric saw 12 is adjusted, when felling is needed, the electric saw 12 is firstly opened to enable the electric saw 12 to be in a working state, then the servo motor 152 is controlled to work through the external switch group, the servo motor 152 drives the screw 154 to rotate through the coupler 153, the screw 154 drives the first sliding block 14 to move through the nut 141, the first sliding block 14 drives the mounting plate 6 to move through the fourth electric telescopic rod 61, the mounting plate 6 drives the electric saw 12 to move transversely through the fixing plate 7, the electric saw, when the electric saw 12 moves and meets the resistance in the process, the tree pushes the electric saw 12, the electric saw 12 drives the fixing plate 7 to move along the second sliding groove 62, meanwhile, the side face of the motor 12 extrudes the push plate 83, the push plate 83 extrudes the shock absorber 82, and the shock absorber 82 deforms, so that the buffering effect is achieved.

The electric saw is convenient to move and fix, good in stability, capable of limiting and fixing the electric saw 12, capable of adjusting the inclination angle and the height of the electric saw 12, and capable of indirectly adjusting the position of the electric saw 12 through the driving device 15, so that the electric saw 12 can complete felling work, damage to the health of fellers caused by close-distance operation of sawdust can be avoided, meanwhile, threat to the health of fellers when trees are toppled can be avoided, high in safety and convenient to use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a special electric saw of lumbering of high security, includes strip shaped plate (1), its characterized in that: the left end of the lower surface of the strip-shaped plate (1) is provided with two symmetrically arranged support frames (2), the first clamping piece (21) of the support frame (2) is fixedly connected with the lower surface of the strip-shaped plate (1), and the fixed end of the first electric telescopic rod (23) of the supporting frame (2) is provided with a bottom plate (3), four casters (31) are uniformly distributed on the side surface of the bottom plate (3), an adjusting frame (4) is arranged at the right end of the upper surface of the bottom plate (3), the fixed end of the second electric telescopic rod (44) of the adjusting frame (4) is fixedly connected with the bottom plate (3), and the limiting plate (41) of the adjusting frame (4) is fixedly connected with the right end of the lower surface of the strip-shaped plate (1), the upper surface of the bottom plate (3) is provided with two rectangular holes (32) which are symmetrically arranged, a positioning device (5) is arranged in the middle of the upper surface of the bottom plate (3), and a third electric telescopic rod (51) of the positioning device (5) is fixedly connected with the upper surface of the bottom plate (3);

the upper surface of the strip-shaped plate (1) is provided with a first sliding chute (13), the inner side surface of the sliding chute (13) is provided with uniformly distributed rolling shafts (131), a first sliding block (14) is arranged inside the sliding chute (131) in a sliding manner, the middle of the side surface of the first sliding block (14) is provided with a nut (141), and a driving device (15) is arranged inside the nut (141);

the driving device (15) comprises a screw rod (154), the screw rod (154) is in threaded connection with a nut (141), the left end of the screw rod (154) is fixedly connected with an output shaft of a servo motor (152) through a coupler (153), the servo motor (152) is fixedly connected with the left side face of the strip-shaped plate (1) through a fixing seat (151), and two ends of the side face of the screw rod (154) are rotatably connected with the strip-shaped plate (1) through bearings (16);

the upper surface of the first sliding block (14) is connected with the fixed end of a fourth electric telescopic rod (61), the telescopic end of the fourth electric telescopic rod (61) is provided with a mounting plate (6), the upper surface of the mounting plate (6) is provided with two symmetrically arranged buffer devices (8), the middle part of the upper surface of the mounting plate (6) is provided with two symmetrically arranged second sliding chutes (62), the inside of the second sliding chute (62) is provided with a second sliding block (71) in a sliding manner, the upper surface of the second sliding block (71) is fixedly connected with the upper surface of a fixing plate (7), the upper surface of the fixing plate (7) is provided with four uniformly distributed third screw holes (11), the upper surface of the fixing plate (7) is provided with an electric saw (12), the upper end of the electric saw (12) is provided with a positioning part (10), and a second fixing bolt (105) and the third screw holes (11) of the fixing part (10) are in threaded connection, the front of fixed plate (7) is equipped with fourth screw (111) that two symmetries set up, and the front surface middle part of fixed plate (7) is equipped with rectangular channel (72), the inside of rectangular channel (72) is equipped with mounting (9), and first fixing bolt (94) and fourth screw (111) threaded connection of mounting (9), and the input of servo motor (152) and the input of fourth electric telescopic handle (61) all are connected with the output electricity of external switch group.

2. The high-safety electric saw for cutting trees according to claim 1, characterized in that: the support frame (2) comprises a first clamping piece (21), the first clamping piece (21) is rotatably connected with a second clamping piece (22), the second clamping piece (22) is fixedly connected with the telescopic end of the first electric telescopic rod (22), the fixed end of the first electric telescopic rod (23) is fixedly connected with the upper surface of the bottom plate (3), and the input end of the first electric telescopic rod (23) is electrically connected with the output end of the external switch group.

3. The high-safety electric saw for cutting trees according to claim 1, characterized in that: adjusting bracket (4) includes limiting plate (41), the side of limiting plate (41) is equipped with the bar spout, and the inside slip of bar spout is provided with guide arm (42), the lower surface of guide arm (42) is equipped with connecting piece (43) that two symmetries set up, and guide arm (42) rotate with the flexible end of second electric telescopic handle (44) through connecting piece (43) and be connected, the stiff end of second electric telescopic handle (44) is connected with the last fixed surface of bottom plate (3), and the input of second electric telescopic handle (44) is connected with the output electricity of external switch group.

4. The high-safety electric saw for cutting trees according to claim 1, characterized in that: positioner (5) include third electric telescopic handle (51), the flexible end of third electric telescopic handle (51) and the lower surface middle part fixed connection of rectangular plate (52), the lower surface that rectangular plate (52) and rectangular hole (32) correspond is equipped with evenly distributed's toper pole (53), and the input of third electric telescopic handle (51) is connected with the output electricity of external switch group.

5. The high-safety electric saw for cutting trees according to claim 4, wherein: six conical rods (53) are arranged, and the six conical rods (53) are equally divided into two groups which are symmetrically distributed at the left end and the right end of the lower surface of the rectangular plate (52).

6. The high-safety electric saw for cutting trees according to claim 1, characterized in that: buffer (8) include riser (81), the last fixed surface of riser (81) and mounting panel (6) is connected, and the medial surface of riser (81) is equipped with bumper shock absorber (82), the one end that riser (81) were kept away from in bumper shock absorber (82) is equipped with push pedal (83).

7. The high-safety electric saw for cutting trees according to claim 6, wherein: twelve shock absorbers (82) are provided, and the twelve shock absorbers (82) are divided into two groups which are respectively distributed on the inner side surfaces of the two vertical plates (81) in a rectangular shape.

8. The high-safety electric saw for cutting trees according to claim 1, characterized in that: the fixing piece (9) comprises a clamping plate (91), the clamping plate (91) is movably clamped with the rectangular groove (72), clamping columns (92) are arranged on the upper surface of the clamping plate (91), two first screw holes (93) are symmetrically formed in the side face of the clamping plate (91), and first fixing bolts (94) are connected to the inner threads of the first screw holes (93).

9. The high-safety electric saw for cutting trees according to claim 1, characterized in that: the locating piece (10) comprises a locating plate (101), the upper surface of the locating plate (101) is provided with a locating sleeve (102), the locating sleeve (102) is movably connected with the electric saw (12) in a clamped mode, the side face of the locating sleeve (102) is provided with a strip-shaped hole (103), the upper surface of the locating plate (101) is provided with four uniformly distributed second screw holes (104), and the inner threads of the second screw holes (104) are connected with second fixing bolts (105).

10. The high safety electric saw for cutting wood according to claim 9, wherein: the number of the strip-shaped holes (103) is eight, and the eight strip-shaped holes (103) are distributed on the side surface of the positioning sleeve (102) in an annular shape and in an equal radian manner.