CN111758415B - Electric cutting device for mulberry branches - Google Patents

Abstract

The invention relates to the technical field of planting equipment, in particular to an electric cutting device for mulberry branches, which comprises a shell, a driving motor, a transmission shaft and a cutter disc, wherein a cavity is formed in the shell; the transmission shaft is sleeved with a holding tube, one end of the holding tube is fixedly connected with the shell, a plurality of fixed bearings are arranged in the holding tube, the fixed bearings are fixedly sleeved on the transmission shaft, and the outer wall of each fixed bearing is fixedly connected with the inner wall of the holding tube; one end of the transmission shaft, which is far away from the shell, is in transmission connection with the cutter disc through a transmission mechanism. The electric cutting device for the mulberry branches can cut the diseased branches and redundant branches of the mulberry, and can ensure the safety of workers.

Description

Electric cutting device for mulberry branches

Technical Field

The invention relates to the technical field of planting equipment, in particular to an electric cutting device for mulberry branches.

Background

The mulberry is arbor or shrub, 3-10 m or higher, the breast diameter can reach 50 cm, the bark is thick, gray, and has irregular shallow longitudinal crack. Mulberry leaves are the main product of mulberry, and account for as much as 64% of the yield of the overground part, so the mulberry leaves have great germplasm resource advantages in China. Since ancient times, mulberry cultivation in China is mainly used for the traditional silkworm industry. The mulberry leaves have rich nutrient substances and good palatability, so that the production performance of animals is greatly improved after the animals are fed with the mulberry leaves. The addition of 5%, 10% and 15% of fresh mulberry leaf powder in the daily ration of fattening pigs can obviously reduce the feed-to-weight ratio (F/G) of fattening pigs and improve the Average Daily Gain (ADG) (P < 0.05), but the opposite research conclusion is also presented. The mulberry leaves contain bioactive substances such as polyphenol, ketone and the like, so that the mulberry leaves can remove superoxide ion free radicals, lipid peroxides and the like in animal bodies, thereby improving the oxidation resistance of the animal bodies. The mulberry leaves also have great promotion effect on maintaining the intestinal microecology balance of animal organisms, and the intestinal microecology balance of the animals can be maintained by regulating the quantity of intestinal flora. Numerous studies have shown that mulberry leaves can reduce the number of harmful bacteria in the animal intestinal tract, such as coliform bacteria and staphylococcus aureus, which inhibit the harmful bacteria in the intestinal tract, and maintain the health of the animal intestinal tract.

In the growth process of the mulberry, the mulberry stops growing to enter a dormancy stage due to the change of air temperature, and branches and redundant branches needing morbidity are all pruned, so that manual pruning is generally performed at present, but due to the fact that the height of the mulberry is high, workers are sometimes required to climb the mulberry to prune, and accidents easily occur.

Disclosure of Invention

In order to solve the problems, the invention provides an electric cutting device for mulberry branches, which can cut the diseased branches and redundant branches of the mulberry and can ensure the safety of workers.

In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:

an electric cutting device for mulberry branches comprises a shell, a driving motor, a transmission shaft and a cutter disc,

the driving motor is fixedly arranged in the shell, one end of the transmission shaft penetrates into the shell and is in transmission connection with a driving shaft of the driving motor, and the driving motor is powered by a battery; the transmission shaft is sleeved with a holding tube, one end of the holding tube is fixedly connected with the shell, a plurality of fixed bearings are arranged in the holding tube, the fixed bearings are fixedly sleeved on the transmission shaft, and the outer wall of each fixed bearing is fixedly connected with the inner wall of the holding tube;

the one end that the transmission shaft kept away from the casing passes through drive mechanism with cutter disc transmission connection, drive mechanism includes first bevel gear, second bevel gear and connecting axle, first bevel gear fixed cover is established the transmission shaft is kept away from the one end of casing, the second bevel gear with first bevel gear meshing, the connecting axle rotates to wear to locate hold the pipe, just connecting axle one end with second bevel gear fixed connection, the other end with cutter disc fixed connection.

Further, the transmission shaft comprises a fixed shaft, a movable shaft and a universal joint coupling, one end of the fixed shaft is in transmission connection with the driving shaft of the driving motor, the other end of the fixed shaft is fixedly connected with the universal joint coupling, one end of the movable shaft is fixedly connected with one end of the universal joint coupling away from the fixed shaft, and the other end of the movable shaft is in transmission connection with the cutter disc through the transmission mechanism; the holding tube is provided with a bending section, the bending section and the universal joint coupling are positioned on the same plane, and the bending section has a corrugated structure.

Further, the movable shaft comprises a first shaft body and a second shaft body, the first shaft body is of an internal hollow structure, one end of the first shaft body is fixedly connected with one end of the universal joint coupler, which is far away from the fixed shaft, the second shaft body is slidably arranged in the first shaft body in a penetrating manner through a clamping groove and a limiting block which are in sliding fit, and one end of the second shaft body, which is far away from the first shaft body, is in transmission connection with the cutter disc through the transmission mechanism;

the holding pipe is of a nested sliding telescopic structure and comprises a first pipe body, a second pipe body and a locking mechanism, one end of the first pipe body is fixedly connected with the shell, the other end of the first pipe body is embedded into the second pipe body and is in sliding connection with the second pipe body, the first pipe body is fixedly connected with the first shaft body through the fixed bearing, and the second pipe body is fixedly connected with the second shaft body through the fixed bearing; the bending section is arranged at one end of the first pipe body, which is close to the shell, so that the first pipe body can bend and move, and the connecting shaft is arranged at one end of the second pipe body, which is far away from the first pipe body, so that the holding pipe can be matched with the expansion and contraction of the movable shaft;

the utility model discloses a locking device, including first body, second body, locking spring cover, first body, second body, locking mechanism, first body outer wall is equipped with axial first rack, locking mechanism includes latch fitting, connecting seat and locking spring, the connecting seat sets firmly on the second body is close to on the outer wall of first body one end, the middle part of latch fitting pass through the pivot with the connecting seat rotates to be connected, locking spring cover is established the pivot, and both ends respectively with latch fitting with the connecting seat butt under the elasticity effect of locking spring cover, the latch fitting orientation one end of first body can with first rack joint cooperation.

Further, the connecting sleeve is provided with a connecting sleeve, one end of the connecting sleeve is fixedly connected with the second pipe body, the other end of the connecting sleeve is provided with a protecting sleeve, the protecting sleeve is sleeved outside the cutter disc, the protecting sleeve comprises a fixed sleeve and a sliding sleeve, the fixed sleeve and the sliding sleeve are of fan-shaped structures, the fixed sleeve is sleeved outside the cutter disc, one surface of the fixed sleeve is fixedly connected with the connecting sleeve, two sliding sleeves are arranged, one sides of the two sliding sleeves are embedded into the fixed sleeve, the other side of the sliding sleeve is sleeved outside the cutter disc, the two sliding sleeves are oppositely arranged, the circle centers of the two sliding sleeves are rotatably connected with the circle center of the fixed sleeve, compression springs are fixedly arranged in the fixed sleeve, two ends of the fixed sleeve are respectively abutted with the two sliding sleeves, and in a natural state of the compression springs, one sides of the two sliding sleeves, which are far away from the fixed sleeve, are mutually close, and a gap is formed between the two sliding sleeves; and the two opposite sides of the sliding sleeves are respectively provided with a roller, and the rollers are positioned on the round edges of the sliding sleeves and are rotationally connected with the sliding sleeves.

Further, the first pipe body is provided with a pipe hoop in a threaded sleeve manner, the pipe hoop is rotated through threads, and the pipe hoop can be sleeved outside the bending section so as to limit bending movement of the first pipe body.

Further, an anti-slip mechanism is arranged in the first pipe body, the anti-slip mechanism comprises a placing shell, a sliding block and an electromagnet, a placing cavity is arranged in the placing shell, one end of the placing shell is provided with an opening communicated with the placing cavity, the placing shell is positioned at one end of the first pipe body far away from the shell, the opening of the placing shell is fixedly connected with the inner wall of the first pipe body, the sliding block is positioned in the placing cavity and is in sliding connection with the placing shell, an anti-slip piece is fixedly arranged on one surface of the sliding block facing the first pipe body, the anti-slip piece is arranged in the first pipe body in a sliding penetrating manner, a second rack is arranged on the inner wall of the second pipe body, and the electromagnet is positioned between the sliding block and the first pipe body and is fixedly connected with the inner wall of the placing shell and is electrically connected with a battery; when the electromagnet is powered on, the electromagnet can attract the sliding block, so that the anti-skid piece penetrates out of the first pipe body and is mutually clamped and matched with the second rack;

the sliding block is provided with a release spring with one surface facing away from the anti-slip piece, the release spring is positioned in the placement cavity, two ends of the release spring are fixedly connected with the sliding block and the placement shell respectively, and when the electromagnet is powered off, the anti-slip piece slides towards the direction leaving the second rack under the action of the elasticity of the release spring.

Further, the shell is provided with a handle, the handle is provided with a button, and the button is respectively electrically connected with the driving motor, the electromagnet and the battery.

Further, the portable electric power generation device also comprises a battery box, wherein the battery is arranged in the battery box, the battery box is provided with a binding belt, and the binding belt is provided with a Chinese character 'ri' buckle, so that the battery box is tied between the waists of a user through the binding belt.

The beneficial effects of the invention are as follows:

1. under the action of a driving motor, the transmission shaft can rotate in the holding pipe, and as the first bevel gear is meshed with the second bevel gear, the cutter disc can rotate under the driving of the second bevel gear, and the direction of the cutter disc is perpendicular to the direction of the transmission shaft, so that diseased branches and redundant branches of the mulberry can be cut; the cutter disc can cut the mulberry branches at a higher position by holding the holding tube, so that the safety of workers is ensured. When cutting the mulberry branch of eminence, only need to lift the cutter disc, and driving motor is located lower level, has reduced the required dynamics of workman's cutting mulberry branch, reduces workman's tired sense.

2. Under the effect of universal joint shaft coupling, can make fixed axle and loose axle can realize the free activity, make the loose axle can rotate on different angles simultaneously, because hold the pipe and be equipped with the bending section, hold the pipe swing through holding and can control the shearing direction of cutter disc, the shearing work of the mulberry branch of being convenient for.

3. The movable shaft and the holding pipe are of telescopic structures, and as the first pipe body is fixedly connected with the first shaft body through the fixed bearing, the second pipe body is fixedly connected with the second shaft body through the fixed bearing, the length of the movable shaft can be controlled by adjusting the telescopic length of the second pipe body outside the first pipe body, so that workers can conveniently cut mulberry branches with different heights. Under the effect of locking spring, the one end of hasp spare orientation first body can with first rack joint cooperation for the second body is fixed with first body relatively, keeps away from the one end of first body through pressing the hasp spare, can make the one end of hasp spare orientation first body and first rack separation, thereby can adjust the length of loose axle and holding the pipe.

4. Because the holding rod can vibrate when the cutter disc is used for cutting mulberry branches, the locking piece and the first rack are easy to loosen, the first shaft body and the second shaft body are enabled to be damaged due to the fact that the first shaft body and the second shaft body slide in the rotating process of the driving motor.

Drawings

Fig. 1 is a schematic structural view of an electric cutting device for mulberry twig according to a preferred embodiment of the present invention.

Fig. 2 is a schematic diagram of a driving motor of the electric cutting device for mulberry twig according to a preferred embodiment of the present invention.

Fig. 3 is a schematic diagram of a transmission mechanism of an electric cutting device for mulberry twig according to a preferred embodiment of the present invention.

Fig. 4 is a schematic structural view of an anti-slip mechanism of an electric mulberry twig cutting device according to a preferred embodiment of the present invention.

Fig. 5 is a schematic view showing the structure of a movable shaft of an electric cutting device for mulberry twig according to a preferred embodiment of the present invention.

Fig. 6 is a schematic structural view of a protective sleeve of an electric cutting device for mulberry twig according to a preferred embodiment of the present invention.

In the figure, 1-shell, 11-holding tube, 110-bending section, 111-first tube, 112-second tube, 113-pipe hoop, 12-handle, 121-button, 2-driving motor, 21-transmission shaft, 211-first bevel gear, 212-second bevel gear, 213-connecting shaft, 22-fixed bearing, 3-cutter head, 41-fixed shaft, 42-movable shaft, 421-first shaft, 422-second shaft, 43-universal joint coupling, 5-first rack, 51-locking piece, 52-connecting seat, 53-rotating shaft, 6-battery, 61-battery case, 611-strap, 612-day buckle, 7-placing case, 71-sliding block, 711-sliding piece, 72-electromagnet, 73-second rack, 74-releasing spring, 8-protecting cover, 801-connecting sleeve, 81-fixed sleeve, 82-sliding sleeve, 83-compressing spring, 84-roller.

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.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 6, an electric mulberry twig cutting apparatus according to a preferred embodiment of the present invention includes a housing 1, a driving motor 2, a driving shaft 21 and a cutter disc 3

A cavity is formed in the shell 1, the driving motor 2 is fixedly arranged in the shell 1, one end of the transmission shaft 21 penetrates into the shell 1 and is in transmission connection with a driving shaft of the driving motor 2, and the driving motor 2 is powered by the battery 6; the transmission shaft 21 is sleeved with a holding tube 11, one end of the holding tube 11 is fixedly connected with the shell 1, a plurality of fixed bearings 22 are arranged in the holding tube 11, the fixed bearings 22 are fixedly sleeved on the transmission shaft 21, and the outer wall of each fixed bearing 22 is fixedly connected with the inner wall of the holding tube 11.

One end of the transmission shaft 21 far away from the shell 1 is in transmission connection with the cutter disc 3 through a transmission mechanism, the transmission mechanism comprises a first bevel gear 211, a second bevel gear 212 and a connecting shaft 213, the first bevel gear 211 is fixedly sleeved at one end of the transmission shaft 21 far away from the shell 1, the second bevel gear 212 is meshed with the first bevel gear 211, the connecting shaft 213 is rotatably arranged on the holding tube 11 in a penetrating mode, one end of the connecting shaft 213 is fixedly connected with the second bevel gear 212, and the other end of the connecting shaft 213 is fixedly connected with the cutter disc 3.

Under the action of the drive motor 2, the drive shaft 21 is enabled to rotate within the grip tube 11, and as the first bevel gear 211 intermeshes with the second bevel gear 212, the cutter disc 3 is enabled to rotate under the drive of the second bevel gear 212, and the direction of the cutter disc 3 is perpendicular to the direction of the drive shaft 21, thereby cutting the diseased branches and redundant branches of the mulberry. The cutter disc 3 can cut the mulberry branches at a higher position by holding the holding tube 11, thereby ensuring the safety of workers. When cutting the mulberry tree branch in the high place, only need lift the holding pipe 11, make cutter disc 3 be located higher plane, and driving motor 2 is located lower level, has reduced the required dynamics of workman's cutting mulberry tree branch, reduces workman's tired sense.

In this embodiment, the transmission shaft 21 includes a fixed shaft 41, a movable shaft 42 and a universal joint coupling 43, one end of the fixed shaft 41 is in transmission connection with the driving shaft of the driving motor 2, the other end is fixedly connected with the universal joint coupling 43, one end of the movable shaft 42 is fixedly connected with one end of the universal joint coupling 43 away from the fixed shaft 41, and the other end is in transmission connection with the cutter disc 3 through a transmission mechanism; the grip tube 11 is provided with a bending section 110, the bending section 110 and the universal joint coupling 43 are located in the same plane, and the bending section 110 has a corrugated structure.

Under the action of the universal joint coupling 43, the fixed shaft 41 and the movable shaft 42 can freely move, and meanwhile, the movable shaft 42 can rotate at different angles, and the bending section 110 is arranged on the holding tube 11, so that the shearing direction of the cutter disc 3 can be controlled by holding the holding tube 11 to swing, and the shearing work of mulberry branches is facilitated.

The movable shaft 42 includes a first shaft body 421 and a second shaft body 422, the first shaft body 421 is of a hollow structure, one end of the first shaft body 421 is fixedly connected with one end of the universal joint coupling 43, which is far away from the fixed shaft 41, the second shaft body 422 is slidably arranged in the first shaft body 421 through a clamping groove and a limiting block in a sliding fit manner, and one end of the second shaft body 422, which is far away from the first shaft body 421, is in transmission connection with the cutter disc 3 through a transmission mechanism.

The holding pipe 11 is of a nested sliding telescopic structure and comprises a first pipe body 111, a second pipe body 112 and a locking mechanism, one end of the first pipe body 111 is fixedly connected with the shell 1, the other end of the first pipe body 111 is embedded into the second pipe body 112 and is in sliding connection with the second pipe body 112, the first pipe body 111 is fixedly connected with a first shaft body 421 through a fixed bearing 22, and the second pipe body 112 is fixedly connected with a second shaft body 422 through the fixed bearing 22; the bending section 110 is disposed at one end of the first tube 111 near the housing 1, so that the first tube 111 can bend and move, and the connecting shaft 213 is disposed at one end of the second tube 112 far from the first tube 111, so that the holding tube 11 can be extended and contracted by the movable shaft 42.

The outer wall of the first pipe body 111 is provided with an axial first rack 5, the locking mechanism comprises a locking piece 51, a connecting seat 52 and a locking spring, the connecting seat 52 is fixedly arranged on the outer wall of the second pipe body 112, which is close to one end of the first pipe body 111, the middle part of the locking piece 51 is rotationally connected with the connecting seat 52 through a rotating shaft 53, the locking spring is sleeved on the rotating shaft 53, two ends of the locking spring are respectively abutted with the locking piece 51 and the connecting seat 52, and under the elastic force of the locking spring sleeve, the locking piece 51 can be matched with the first rack 5 in a clamping way towards one end of the first pipe body 111.

The movable shaft 42 and the holding tube 11 are of telescopic structures, and the first tube body 111 is fixedly connected with the first shaft body 421 through the fixed bearing 22, the second tube body 112 is fixedly connected with the second shaft body 422 through the fixed bearing 22, and the length of the movable shaft 42 can be controlled by adjusting the telescopic length of the second tube body 112 outside the first tube body 111, so that a worker can conveniently cut mulberry branches with different heights. Under the effect of locking spring, the one end that the hasp piece 51 was towards first body 111 can with first rack 5 joint cooperation for second body 112 and first body 111 are fixed relatively, through pressing the one end that the hasp piece 51 kept away from first body 111, can make the one end that the hasp piece 51 was towards first body 111 and first rack 5 separation, thereby can adjust the length of loose axle 42 and holding pipe 11.

In this embodiment, an anti-slip mechanism is disposed in the first tube 111, the anti-slip mechanism includes a placement housing 7, a sliding block 71 and an electromagnet 72, a placement cavity is disposed in the placement housing 7, one end of the placement housing 7 is provided with an opening communicated with the placement cavity, the placement housing 7 is located at one end of the first tube 111 far away from the housing 1, the opening of the placement housing 7 is fixedly connected with the inner wall of the first tube 111, the sliding block 71 is located in the placement cavity and is slidably connected with the placement housing 7, one surface of the sliding block 71 facing the first tube 111 is fixedly provided with an anti-slip piece 711, the anti-slip piece 711 is slidably disposed in the first tube 111, the inner wall of the second tube is provided with a second rack 73, the electromagnet 72 is located between the sliding block 71 and the first tube 111 and is fixedly connected with the inner wall of the placement housing 7, and the electromagnet 72 is electrically connected with the battery 6; when the electromagnet 72 is powered, the electromagnet 72 can attract the sliding block 71, so that the anti-sliding piece 711 penetrates out of the first pipe body 111 and is in clamping fit with the second rack 73.

The sliding block 71 and the surface facing away from the anti-slip piece 711 are provided with a release spring 74, the release spring 74 is positioned in the placement cavity, and two ends of the release spring 74 are fixedly connected with the sliding block 71 and the placement shell 7 respectively, when the electromagnet 72 is powered off, the anti-slip piece 711 slides towards the direction away from the second rack 73 under the action of the elasticity of the release spring 74.

The housing 1 is provided with a handle 12, the handle 12 is provided with a button 121, and the button 121 is electrically connected to the drive motor 2, the electromagnet 72, and the battery 6, respectively. The battery 6 can supply power to the drive motor 2 and the electromagnet 72 by pressing the button 121.

Because vibration is generated on the holding rod 11 when the cutter disc 3 is used for cutting mulberry branches, looseness is easily caused between the locking piece 51 and the first rack 5, the sliding of the first shaft body 421 and the second shaft body 422 occurs in the rotating process of the driving motor 2, and damage is caused to the first shaft body 421 and the second shaft body 422, the first pipe body 111 and the second pipe body 112 can be kept in a relatively fixed state in the rotating process of the driving motor 3 under the action of the anti-slip mechanism, sliding is prevented from occurring between the first shaft body 421 and the second shaft body 422, under the action of the electromagnet 72, when the button 121 is pressed, the driving motor 2 is rotated, meanwhile, the electromagnet 72 is powered, and the electromagnet 72 can attract the sliding block 71, so that the anti-slip piece 711 penetrates out of the first pipe body 111 and is matched with the second rack 73 in a mutually clamping manner, and the fact that sliding of the first pipe body 111 and the second pipe body 112 cannot occur when the holding rod 11 is subjected to vibration is ensured.

Preferably, the first pipe body 111 is screw-coupled with a pipe clamp 113, and the pipe clamp 113 can be coupled to the outside of the bending section 110 by screw-rotating the pipe clamp 113 to limit bending movement of the first pipe body 111. When the mulberry twig electric cutting device of the embodiment is not needed, the pipe hoop 113 is rotated, and the pipe hoop 113 is sleeved outside the bending section 110, so that the holding rod 11 is prevented from shaking randomly.

In this embodiment, the connecting shaft 213 is sleeved with a connecting sleeve 801, one end of the connecting sleeve 801 is fixedly connected with the second tube 112, the other end of the connecting sleeve is provided with a protecting sleeve 8, the protecting sleeve 8 is sleeved outside the cutter disc 3, and the protecting sleeve 8 comprises a fixing sleeve 81 and a sliding sleeve 82.

The fixed sleeve 81 and the sliding sleeve 82 are of fan-shaped structures, the fixed sleeve 81 is sleeved outside the cutter disc 3, one face of the fixed sleeve 81 is fixedly connected with the connecting sleeve 801, two sliding sleeves 82 are arranged, one side of each sliding sleeve 82 is embedded into the fixed sleeve 81, the other side of each sliding sleeve is sleeved outside the cutter disc 3, the two sliding sleeves 82 are oppositely arranged, the circle centers of the two sliding sleeves 82 are rotationally connected with the circle centers of the fixed sleeve 81, compression springs 83 are fixedly arranged in the fixed sleeve 81, two ends of the fixed sleeve 81 are respectively abutted with the two sliding sleeves 82, and one sides, far away from the fixed sleeve 81, of the two sliding sleeves 82 are mutually close under the natural state of the compression springs 83, and gaps are reserved between the two sliding sleeves 82. The opposite sides of the two sliding sleeves 82 are respectively provided with a roller 84, and the rollers 84 are positioned on the round edges of the sliding sleeves 82 and are rotationally connected with the sliding sleeves 82.

Under the action of the elastic force of the compression spring 83, one sides of the two sliding sleeves 82 away from the fixed sleeve 81 are close to each other, a gap is reserved between the two sliding sleeves 82, when the mulberry tree branches are cut, the mulberry tree branches which are not needed to be cut are prevented from being cut accidentally by pressing down the protective sleeve 8, and under the action of the roller 84, the two sliding sleeves 82 are away from each other, so that the mulberry tree branches can be cut, and the adjacent mulberry tree branches which are not needed to be cut can be protected.

Preferably, the battery box 61 is further included, the battery 6 is arranged in the battery box 61, the battery box 61 is provided with a binding band 611, and the binding band 611 is provided with a Chinese character 'ri' shaped button 612, so that the battery box 61 is tied between the waists of the user through the binding band 611.

When the electric mulberry twig cutting device of the embodiment is used, the battery box 61 is tied between the waists of workers through the binding belt 611, the first pipe body 111 is held by one hand, one end of the locking piece 51 far away from the first pipe body 111 is pressed by the other hand, one end of the locking piece 51 facing the first pipe body 111 is separated from the first rack 5, and the second pipe body 112 is slid, so that the length of the movable shaft 42 and the length of the holding pipe 11 are adjusted.

During cutting, a worker holds the handle 12 with one hand and presses the button 121, so that the driving motor 3 drives the transmission shaft 21 to rotate in the holding tube 11, the first bevel gear 211 drives the second bevel gear 212 to rotate, and the cutter disc 3 can rotate under the driving of the second bevel gear 212; at the same time, when the electromagnet 72 is powered, the electromagnet 72 can attract the sliding block 71, so that the anti-sliding piece 711 penetrates out of the first pipe body 111 and is mutually clamped and matched with the second rack 73. The worker holds the grip tube 11 with the other hand and swings the grip lever 11 so that the cutter head 3 approaches the mulberry tree branch to be cut, the protective sleeve 8 presses down the branch to be cut, the two sliding sleeves 82 are away from each other under the action of the roller 84, the mulberry tree branch can be cut, and the mulberry tree branch which is not required to be cut nearby can be protected from being cut accidentally.

Claims (3)

1. An electric cutting device for mulberry branches is characterized by comprising a shell (1), a driving motor (2), a transmission shaft (21) and a cutter disc (3),

the inside of the shell (1) is provided with a cavity, the driving motor (2) is fixedly arranged in the shell (1), one end of the transmission shaft (21) penetrates into the shell (1) and is in transmission connection with a driving shaft of the driving motor (2), and the driving motor (2) is powered by a battery (6); the transmission shaft (21) is sleeved with a holding tube (11), one end of the holding tube (11) is fixedly connected with the shell (1), a plurality of fixed bearings (22) are arranged in the holding tube (11), the fixed bearings (22) are fixedly sleeved on the transmission shaft (21), and the outer wall of each fixed bearing (22) is fixedly connected with the inner wall of the holding tube (11);

one end of the transmission shaft (21) far away from the shell (1) is in transmission connection with the cutter disc (3) through a transmission mechanism, the transmission mechanism comprises a first bevel gear (211), a second bevel gear (212) and a connecting shaft (213), the first bevel gear (211) is fixedly sleeved at one end of the transmission shaft (21) far away from the shell (1), the second bevel gear (212) is meshed with the first bevel gear (211), the connecting shaft (213) is rotatably arranged through the holding tube (11), one end of the connecting shaft (213) is fixedly connected with the second bevel gear (212), and the other end of the connecting shaft (213) is fixedly connected with the cutter disc (3);

the transmission shaft (21) comprises a fixed shaft (41), a movable shaft (42) and a universal joint coupler (43), one end of the fixed shaft (41) is in transmission connection with a driving shaft of the driving motor (2), the other end of the fixed shaft is fixedly connected with the universal joint coupler (43), one end of the movable shaft (42) is fixedly connected with one end, away from the fixed shaft (41), of the universal joint coupler (43), and the other end of the movable shaft is in transmission connection with the cutter disc (3) through the transmission mechanism; the holding tube (11) is provided with a bending section (110), the bending section (110) and the universal joint coupling (43) are positioned on the same plane, and the bending section (110) has a corrugated structure;

the movable shaft (42) comprises a first shaft body (421) and a second shaft body (422), the first shaft body (421) is of an internal hollow structure, one end of the first shaft body (421) is fixedly connected with one end of the universal joint coupler (43) away from the fixed shaft (41), the second shaft body (422) is slidably arranged in the first shaft body (421) through a clamping groove and a limiting block which are in sliding fit, and one end of the second shaft body (422) away from the first shaft body (421) is in transmission connection with the cutter disc (3) through the transmission mechanism;

the holding tube (11) is of a nested sliding telescopic structure and comprises a first tube body (111), a second tube body (112) and a locking mechanism, one end of the first tube body (111) is fixedly connected with the shell (1), the other end of the first tube body is embedded into the second tube body (112) and is in sliding connection with the second tube body (112), the first tube body (111) is fixedly connected with the first shaft body (421) through the fixed bearing (22), and the second tube body (112) is fixedly connected with the second shaft body (422) through the fixed bearing (22); the bending section (110) is arranged at one end of the first pipe body (111) close to the shell (1) so that the first pipe body (111) can be bent, and the connecting shaft (213) is arranged at one end of the second pipe body (112) far away from the first pipe body (111) so that the holding pipe (11) can be matched with the expansion and contraction of the movable shaft (42);

the outer wall of the first pipe body (111) is provided with an axial first rack (5), the locking mechanism comprises a locking piece (51), a connecting seat (52) and a locking spring, the connecting seat (52) is fixedly arranged on the outer wall, close to one end of the first pipe body (111), of the second pipe body (112), the middle part of the locking piece (51) is rotationally connected with the connecting seat (52) through a rotating shaft (53), the locking spring is sleeved on the rotating shaft (53), two ends of the locking spring are respectively abutted with the locking piece (51) and the connecting seat (52), and under the elastic force of the locking spring, one end of the locking piece (51) facing the first pipe body (111) can be in clamping fit with the first rack (5);

the anti-slip mechanism is arranged in the first pipe body (111), the anti-slip mechanism comprises a placing shell (7), a sliding block (71) and an electromagnet (72), a placing cavity is arranged in the placing shell (7), an opening communicated with the placing cavity is formed in one end of the placing shell, the placing shell (7) is positioned at one end, far away from the shell (1), of the first pipe body (111), the opening of the placing shell (7) is fixedly connected with the inner wall of the first pipe body (111), the sliding block (71) is positioned in the placing cavity and is in sliding connection with the placing shell (7), an anti-slip piece (711) is fixedly arranged on one surface, facing the first pipe body (111), of the sliding block (71) and is in sliding penetrating arrangement with the first pipe body (111), a second rack (73) is arranged on the inner wall of the second pipe body, and the electromagnet (72) is positioned between the sliding block (71) and the first pipe body (111) and is fixedly connected with the inner wall (7) of the placing shell (6); when the electromagnet (72) is powered on, the electromagnet (72) can attract the sliding block (71) so that the anti-sliding piece (711) penetrates out of the first pipe body (111) and is clamped and matched with the second rack (73);

a release spring (74) is arranged on one surface of the sliding block (71) and the surface, which is opposite to the anti-skid part (711), of the sliding block, the release spring (74) is positioned in the placement cavity, two ends of the release spring are fixedly connected with the sliding block (71) and the placement shell (7) respectively, and when the electromagnet (72) is powered off, under the action of the elasticity of the release spring (74), the anti-skid part (711) slides towards the direction away from the second rack (73);

the shell (1) is provided with a handle (12), the handle (12) is provided with a button (121), and the button (121) is electrically connected with the driving motor (2), the electromagnet (72) and the battery (6) respectively;

the portable electric power generation device is characterized by further comprising a battery box (61), wherein the battery (6) is arranged in the battery box (61), the battery box (61) is provided with a binding band (611), and the binding band (611) is provided with a Chinese character 'ri' shaped buckle (612), so that the battery box (61) is tied between the waists of a user through the binding band (611).

2. An electric mulberry twig cutting apparatus as set forth in claim 1, wherein: the connecting shaft (213) is sleeved with a connecting sleeve (801), one end of the connecting sleeve (801) is fixedly connected with the second pipe body (112), the other end of the connecting sleeve is provided with a protecting sleeve (8), the protecting sleeve (8) is sleeved outside the cutter disc (3), the protecting sleeve (8) comprises a fixed sleeve (81) and a sliding sleeve (82), the fixed sleeve (81) and the sliding sleeve (82) are of fan-shaped structures, the fixed sleeve (81) is sleeved outside the cutter disc (3), one surface of the fixed sleeve is fixedly connected with the connecting sleeve (801), the two sliding sleeves (82) are arranged, one side of each sliding sleeve (82) is embedded into the fixed sleeve (81), the other side of each sliding sleeve is sleeved outside the cutter disc (3), the two sliding sleeves (82) are oppositely arranged, the circle centers of the two sliding sleeves (82) are rotatably connected with the circle centers of the fixed sleeve (81), compression springs (83) are fixedly arranged in the fixed sleeve (81), the two ends of the fixed sleeve (81) are respectively connected with the two sliding sleeves (82) in a rotating mode, and the two sliding sleeves (82) are abutted to one side of each other and are far away from the sliding sleeve (82) in a natural state; and rollers (84) are arranged on the opposite sides of the two sliding sleeves (82), and the rollers (84) are positioned on the round edges of the sliding sleeves (82) and are rotationally connected with the sliding sleeves (82).

3. An electric mulberry twig cutting apparatus as set forth in claim 1, wherein: the pipe clamp (113) is sleeved on the first pipe body (111) in a threaded mode, the pipe clamp (113) is rotated through threads, and the pipe clamp (113) can be sleeved outside the bending section (110) so as to limit bending movement of the first pipe body (111).

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