CN220712360U

CN220712360U - Plant harvesting device

Info

Publication number: CN220712360U
Application number: CN202322496222.4U
Authority: CN
Inventors: 周天
Original assignee: Beijing Canggao Technology Co ltd; Inner Mongolia Avic Minfu Technology Co ltd
Current assignee: Beijing Canggao Technology Co ltd; Inner Mongolia Avic Minfu Technology Co ltd
Priority date: 2023-09-14
Filing date: 2023-09-14
Publication date: 2024-04-05
Anticipated expiration: 2033-09-14

Abstract

The utility model discloses a plant harvesting device, which relates to the technical field of plant collection and transportation and comprises a cutting and gathering device, a crushing device and a discharging device which are sequentially communicated, wherein the cutting and gathering device comprises a roller assembly, a first frame, a second frame and a tensioning mechanism, the roller assembly comprises a transmission shaft, a cutting knife, a first motor, rollers and a transmission mechanism, the cutting knife is fixed at the bottom of the transmission shaft, the first motor drives the cutting knife to rotate so as to cut branches through the transmission shaft, the rollers are sleeved on the transmission shaft, the transmission shaft can drive the rollers to rotate through the transmission mechanism, two groups of roller assemblies are respectively arranged on the first frame and the second frame, a feeding channel is formed between the two rollers of the two groups of roller assemblies, and the two rollers can rotate in opposite directions so as to convey the branches cut by the cutting knife into the crushing device; the tensioning mechanism can adjust the distance between the two rollers according to the thickness of the branches, so that the branches in various forms can be fed conveniently.

Description

Plant harvesting device

Technical Field

The utility model relates to the technical field of plant collection and transportation, in particular to a plant harvesting device.

Background

At present, the plants used for desert control in China are mainly high-fiber and high-toughness shrub plants such as salix psammophila, caragana microphylla and the like, the growth of the plants is ensured by regularly stumping, and meanwhile, the harvested branches can drive economic benefits. For the mechanized treatment of gathering and conveying after cutting of plants, large machines such as shrubs are commonly used, the machine head of the machine consists of a plurality of layers of tooth hooks, and branches are forcibly pulled apart and crushed in a high-output power mode.

Because the soil of sand is barren, the root of bush class plant on sand is easy to gather sand, can form hemispherical sand bag in every area that the plant grows, causes the topography of sand complicated, and the distribution of plant is also inhomogeneous on the sand, and traditional bush harvester can not adapt to the topography well when carrying out the operation, can't adjust feed channel's size according to the thickness of branch, can lead to card material scheduling problem, reaping efficiency is lower.

Disclosure of Invention

The utility model aims to provide a plant harvesting device, which solves the problems in the prior art, can adjust the size of a feeding channel according to the thickness of branches through adjusting the clasping feeding of a roller clamp, is convenient for feeding the branches in various forms, is not easy to clamp, and has high harvesting efficiency.

In order to achieve the above object, the present utility model provides the following solutions:

the utility model provides a plant harvesting device which comprises a cutting and gathering device, a crushing device and a discharging device which are sequentially communicated, wherein the cutting and gathering device comprises a roller assembly, a first frame, a second frame and a tensioning mechanism, the roller assembly comprises a transmission shaft, a cutting knife, a first motor, a roller and a transmission mechanism, the transmission shaft is vertically arranged, the cutting knife is fixed at the bottom of the transmission shaft, the output end of the first motor is connected with the transmission shaft so as to drive the cutting knife to rotate for cutting branches, the roller is sleeved on the transmission shaft, the transmission shaft can drive the roller to rotate through the transmission mechanism, the roller assembly is provided with two groups, the two groups of roller assemblies are respectively arranged on the first frame and the second frame, a feeding channel is formed between the two rollers of the two groups of roller assemblies, and the two rollers can rotate in opposite directions so as to convey the branches cut by the cutting knife to the crushing device; the first frame is connected with the second frame through the tensioning mechanism, and the tensioning mechanism can adjust the distance between the two rollers according to the thickness of the branches.

Preferably, the tensioning mechanism comprises a second motor, a screw rod, a tensioning sensor and a tensioning controller, a fixed block is arranged at one end of the first frame, a sliding rail is horizontally arranged at a position, close to the fixed block, of the first frame, a sliding block is arranged on the second frame, the sliding block is matched with the sliding rail, the second motor is arranged on the fixed block, one end of the screw rod is connected with the output end of the second motor, the other end of the screw rod is in threaded connection with the second frame, and the second motor can drive the screw rod to rotate so as to drive the second frame to move along the sliding rail on the first frame; the tensioning sensor and the second motor are electrically connected with the tensioning controller, the tensioning sensor is used for detecting feeding pressure in the feeding channel, and the tensioning controller is used for controlling the second motor.

Preferably, the cutting and gathering device further comprises a roller rotating speed sensor and a roller rotating speed controller, wherein the roller rotating speed sensor is used for detecting the rotating speeds of the two rollers, and the roller rotating speed controller is used for controlling the two first motors.

Preferably, the transmission mechanism of any group of roller assemblies comprises a gearbox, the gearbox is fixed on the first frame or the second frame and is located above the corresponding roller, a primary belt pulley, a secondary belt pulley, two tertiary belt pulleys and two belts are arranged in the gearbox, one end of the gearbox is provided with the primary belt pulley and the secondary belt pulley from top to bottom, the primary belt pulley is fixedly sleeved on the transmission shaft, the secondary belt pulley is rotatably sleeved on the transmission shaft and is fixedly connected with the roller, the other end of the gearbox is provided with the two tertiary belt pulleys from top to bottom, the tertiary belt pulley located above is connected with the primary belt pulley through one belt, the tertiary belt pulley located below is connected with the secondary belt pulley through the other belt, the transmission shaft can drive the primary belt pulley and the two tertiary belt pulleys to rotate, so that the secondary belt pulley is driven to rotate together with the roller, and the secondary belt pulley is smaller than the primary belt pulley in diameter, and the roller diameter is enabled to rotate.

Preferably, the output end of the first motor is connected with the corresponding transmission shaft through a coupler.

Preferably, the crushing device comprises a crushing box, a third motor, a movable cutter disc and a static blade, wherein an inlet of the crushing box is communicated with the feeding channel, the third motor is arranged on the crushing box, the movable cutter disc is arranged in the crushing box and is connected with an output end of the third motor, the static blade is arranged on the inner wall of the crushing box, the static blade and the blade of the movable cutter disc are in a tool setting state, the third motor can drive the movable cutter disc to rotate so as to crush branches in the crushing box, and an outlet of the crushing box is arranged at the top of the crushing box in a tangential direction of the movable cutter disc and is communicated with the discharging device.

Preferably, three blades of the movable cutter head are arranged.

Preferably, the crushing device further comprises a moving cutter disc rotating speed sensor and a moving cutter disc rotating speed controller, wherein the moving cutter disc rotating speed sensor and the third motor are electrically connected with the moving cutter disc rotating speed controller, the moving cutter disc rotating speed sensor is used for detecting the rotating speed of the moving cutter disc, and the moving cutter disc rotating speed controller is used for controlling the third motor.

Preferably, the discharging device comprises a storage box, a fourth motor and an auger, wherein the storage box is arranged above the crushing box, an inlet of the storage box is communicated with an outlet of the crushing box, the fourth motor is arranged on the storage box, the auger is arranged in the storage box and is connected with an output end of the fourth motor, and the fourth motor can drive the auger to rotate so as to output crushed branches in the storage box from a discharge hole of the storage box.

Preferably, the discharging device further comprises a filling sensor and a filling controller, the filling sensor and the fourth motor are electrically connected with the filling controller, the filling sensor is used for detecting whether the material storage box is filled with material or not, and the filling controller is used for controlling the fourth motor.

Compared with the prior art, the utility model has the following technical effects:

the utility model provides a plant harvesting device, which comprises a cutting and gathering device, a crushing device and a discharging device which are sequentially communicated, wherein the cutting and gathering device comprises a roller assembly, a first frame, a second frame and a tensioning mechanism, the roller assembly comprises a transmission shaft, a cutting knife, a first motor, a roller and a transmission mechanism, the transmission shaft is vertically arranged, the cutting knife is fixed at the bottom of the transmission shaft, the first motor can drive the cutting knife to rotate to cut branches through the transmission shaft, the roller is sleeved on the transmission shaft, the transmission shaft can drive the roller to rotate through the transmission mechanism, the roller assembly is provided with two groups, the two groups of roller assemblies are respectively arranged on the first frame and the second frame, and a feeding channel is formed between the two rollers of the two groups of roller assemblies. The first frame is connected with the second frame through the tensioning mechanism, and the distance between the two rollers is adjusted according to the thickness of the branches through the tensioning mechanism, so that the size of the feeding channel is adjusted, the branches in various forms are convenient to feed, the materials are not easy to clamp, and the harvesting efficiency is high.

Drawings

In order to more clearly illustrate the embodiments of the present utility model 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 utility model, 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 view of a plant harvesting apparatus according to an embodiment of the present utility model;

FIG. 2 is a schematic top view of a plant harvesting apparatus according to an embodiment of the present utility model;

FIG. 3 is a schematic top view of another feeding status of a plant harvesting apparatus according to an embodiment of the present disclosure;

FIG. 4 is a flowchart of the operation of the tension sensor provided by an embodiment of the present utility model;

FIG. 5 is a flowchart of a drum rotation speed sensor according to an embodiment of the present utility model;

fig. 6 is a working flow chart of a dynamic cutterhead speed sensor provided by the embodiment of the utility model;

fig. 7 is a flowchart of the operation of the full sensor according to the embodiment of the present utility model.

In the figure: 01-branch, 10-cutting and gathering device, 11-first frame, 12-second frame, 131-transmission shaft, 132-cutting knife, 133-first motor, 134-roller, 135-transmission mechanism, 136-coupling, 141-second motor, 142-screw, 143-tensioning sensor, 15-roller rotating speed sensor, 20-smashing device, 21-smashing box, 22-third motor, 23-movable cutter rotating speed sensor, 30-discharging device, 31-storage box, 32-fourth motor, 33-auger and 34-full sensor.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

As shown in fig. 1, the present embodiment provides a plant harvesting device, including a cutting and gathering device 10, a crushing device 20 and a discharging device 30 that are sequentially communicated, the cutting and gathering device 10 includes a roller assembly, a first frame 11, a second frame 12 and a tensioning mechanism, the roller assembly includes a transmission shaft 131, a cutting blade 132, a first motor 133, a roller 134 and a transmission mechanism 135, the transmission shaft 131 is vertically disposed, the cutting blade 132 is fixed at the bottom of the transmission shaft 131, the output end of the first motor 133 is connected with the transmission shaft 131 to drive the cutting blade 132 to rotate to cut the branches 01, the roller 134 is sleeved on the transmission shaft 131, the transmission shaft 131 can drive the roller 134 to rotate through the transmission mechanism 135, the first motor 133 in the embodiment is preferably a hydraulic motor, the roller assembly is provided with two groups, the two groups of roller assemblies are respectively disposed on the first frame 11 and the second frame 12, and a feeding channel is formed between the two rollers 134 of the two groups of roller assemblies, as shown in fig. 2-3, the two rollers 134 can rotate in opposite directions to convey the branches 01 cut by the cutting blade 132 into the crushing device 20; the first frame 11 is connected with the second frame 12 through a tensioning mechanism, and the tensioning mechanism can adjust the distance between the two rollers 134 according to the thickness of the branches 01; when the device is used, the device is arranged on an engineering vehicle, in the travelling process of the engineering vehicle, plants are cut through the rotation of the cutting knife 132, cut branches 01 are conveyed into the crushing device 20 through the opposite rotation of the two rollers 134, and the distance between the two rollers 134 is adjusted through the tensioning mechanism, so that the size of a feeding channel is adjusted, the clamping type feeding of the adjustable roller clamp is realized, the size of the feeding channel can be adjusted according to the thickness of the branches 01, the feeding of the branches 01 in various forms is facilitated, the materials are not easy to clamp, and the harvesting efficiency is high; the plant harvesting device provided by the embodiment is not only suitable for harvesting shrubs on sand, but also suitable for harvesting shrubs on other fields.

In this embodiment, the tensioning mechanism includes a second motor 141, a screw 142, a tensioning sensor 143 and a tensioning controller, one end of the first frame 11 is provided with a fixed block, a sliding rail is horizontally arranged at a position on the first frame 11 near the fixed block, a sliding block is arranged on the second frame 12, the sliding block is matched with the sliding rail, the second motor 141 is arranged on the fixed block, the second motor 141 in this embodiment is preferably a hydraulic motor, one end of the screw 142 is connected with an output end of the second motor 141, the other end is in threaded connection with the second frame 12, and the second motor 141 can drive the screw 142 to rotate so as to drive the second frame 12 to move along the sliding rail on the first frame 11; the tensioning sensor 143 and the tensioning controller in the embodiment are arranged on the first frame 11, the tensioning sensor 143 and the second motor 141 are electrically connected with the tensioning controller, the tensioning sensor 143 is used for detecting feeding pressure in the feeding channel, and the tensioning controller is used for controlling the second motor 141; in use, as shown in fig. 4, as the fingers 01 are fed into the feed channel between the two rollers 134, when the feed pressure increases, a high feed pressure signal is transmitted to the tensioning controller by the tensioning sensor 143, the tensioning controller controls the second motor 141 to rotate, and the second motor 141 drives the second frame 12 away from the first frame 11 by the screw 142, so that the distance between the two rollers 134 increases, i.e. the feed channel increases, to reduce the feed pressure; when the feeding pressure of the branches 01 is reduced after passing through the feeding channel, a low feeding pressure signal is transmitted to the tensioning controller through the tensioning sensor 143, the tensioning controller controls the second motor 141 to reversely rotate, the second motor 141 drives the second frame 12 to be close to the first frame 11 through the screw rod 142, the distance between the two rollers 134 is reduced, namely the feeding channel is reduced, so that the feeding pressure is increased, the clamping force of the rollers 134 on the branches 01 is adjusted according to the branches 01 with different thicknesses, and the clamping force is automatically kept at the same pressure, so that feeding is facilitated.

In this embodiment, the cutting and gathering device 10 further includes a drum rotation speed sensor 15 and a drum rotation speed controller, where the drum rotation speed sensor 15 and the drum rotation speed controller in this embodiment are both disposed on the drum 134 located on the left side in fig. 1, the drum rotation speed sensor 15 is used to detect the rotation speeds of the two drums 134, and the drum rotation speed controller is used to control the two first motors 133; as shown in fig. 5, when the device is used, a large number of branches 01 cut by the cutter 132 are conveyed into the crushing device 20 through extrusion between two rollers 134, the rollers 134 reduce the rotation speed at a constant rotation speed under the condition of pressurization, a roller low rotation speed signal is transmitted to a roller rotation speed controller through a roller rotation speed sensor 15, and the roller rotation speed controller controls two first motors 133 to accelerate, so that the two rollers 134 rotate at a high speed to recover the constant rotation speed, and the feeding is facilitated; when the branches 01 pass through the two rollers 134, the roller rotation speed sensor 15 detects that the rotation speed of the rollers 134 is too high, and transmits a roller high rotation speed signal to the roller rotation speed controller, and the roller rotation speed controller controls the two first motors 133 to reduce the speed so that the two rollers 134 rotate at a low speed.

In this embodiment, the transmission mechanism 135 of any one set of roller assemblies includes a gearbox, the gearbox is fixed on the first frame 11 or the second frame 12 and is located above the corresponding roller 134, a primary pulley, a secondary pulley, two tertiary pulleys and two belts are disposed in the gearbox, one end of the gearbox is provided with the primary pulley and the secondary pulley from top to bottom, the primary pulley is fixedly sleeved on the transmission shaft 131, the secondary pulley is rotatably sleeved on the transmission shaft 131 and is fixedly connected with the roller 134, the other end of the gearbox is provided with the two tertiary pulleys from top to bottom, the tertiary pulley located above is connected with the primary pulley through one belt, the tertiary pulley located below is connected with the secondary pulley through the other belt, the transmission shaft 131 can drive the primary pulley and the two tertiary pulleys to rotate, thereby driving the secondary pulley to rotate together with the roller 134, and the diameter of the secondary pulley is smaller than that of the primary pulley, so that the roller 134 rotates in an accelerated manner.

In the present embodiment, the output end of the first motor 133 is connected to the corresponding drive shaft 131 through a coupling 136.

In this embodiment, the crushing device 20 includes a crushing box 21, a third motor 22, a movable cutter disc and a static blade, the inlet of the crushing box 21 is communicated with the feeding channel, the third motor 22 is arranged on the crushing box 21, the third motor 22 in this embodiment is preferably a hydraulic motor, the movable cutter disc is arranged in the crushing box 21 and is connected with the output end of the third motor 22, the static blade is arranged on the inner wall of the crushing box 21, the static blade and the blade of the movable cutter disc are in a tool setting state, the third motor 22 can drive the movable cutter disc to rotate so as to crush the branches 01 in the crushing box 21, and the outlet of the crushing box 21 is arranged at the top of the crushing box 21 along the tangential direction of the movable cutter disc and is communicated with the discharging device 30; specifically, three blades of the movable cutter head are arranged, namely three movable-static blades are arranged in the crushing box 21, and crushed branches 01 are sprayed into the discharging device 30 through the centrifugal action of the rotation of the movable cutter head.

Further, the crushing device 20 further includes a movable cutter rotational speed sensor 23 and a movable cutter rotational speed controller, where the movable cutter rotational speed sensor 23 and the movable cutter rotational speed controller in this embodiment are both disposed on the crushing box 21, and the movable cutter rotational speed sensor 23 and the third motor 22 are both electrically connected to the movable cutter rotational speed controller, where the movable cutter rotational speed sensor 23 is used for detecting the rotational speed of the movable cutter, and the movable cutter rotational speed controller is used for controlling the third motor 22; as shown in fig. 6, when the branch 01 enters the crushing box 21 for crushing, the rotating resistance of the movable cutter is increased, the rotating speed is reduced, a low rotating speed signal of the movable cutter is transmitted to the movable cutter rotating speed controller through the movable cutter rotating speed sensor 23, and the movable cutter rotating speed controller controls the third motor 22 to accelerate, so that the movable cutter rotates at a high speed, and the constant rotating speed is maintained to crush the branch 01, thereby being beneficial to crushing the branch 01; when the branches 01 are crushed, the rotating speed sensor 23 of the movable cutter detects that the rotating speed of the movable cutter is too high, and transmits a high rotating speed signal of the movable cutter to the rotating speed controller of the movable cutter, and the rotating speed controller of the movable cutter controls the third motor 22 to reduce the speed so that the movable cutter rotates at a low speed.

In this embodiment, the discharging device 30 includes a storage box 31, a fourth motor 32 and an auger 33, the storage box 31 is disposed above the crushing box 21, an inlet of the storage box 31 is communicated with an outlet of the crushing box 21, the fourth motor 32 is disposed on the storage box 31, the fourth motor 32 in this embodiment is preferably a hydraulic motor, the auger 33 is disposed in the storage box 31 and is connected with an output end of the fourth motor 32, and the fourth motor 32 can drive the auger 33 to rotate so as to output crushed branches 01 in the storage box 31 from a discharge hole of the storage box 31.

Further, the discharging device 30 further includes a full charge sensor 34 and a full charge controller, where the full charge sensor 34 and the full charge controller in this embodiment are both disposed on the storage box 31, the full charge sensor 34 and the fourth motor 32 are both electrically connected to the full charge controller, the full charge sensor 34 is used for detecting whether the storage box 31 is full of material, and the full charge controller is used for controlling the fourth motor 32; as shown in fig. 7, when the storage tank 31 is full, a full signal is transmitted to a full controller through a full sensor 34, the full controller controls the fourth motor 32 to rotate, and the fourth motor 32 drives the auger 33 to rotate for discharging.

In summary, the plant harvesting device provided by the embodiment adapts to complex environments such as sandy land, and the whole cutting, gathering and conveying processes of plants are miniaturized, integrated and intelligent, and the plant harvesting device has the following advantages:

first, adopt adjustable collet chuck to embrace formula feeding mode, rotate the mode feeding of pressing from both sides tight branch 01 in opposite directions through two cylinders 134 to, adjust the size of feed channel according to the thickness of branch 01 through taut sensor 143, the branch 01 feeding of various forms of being convenient for is difficult for the card material, reaps efficiently.

Secondly, adopt compact structural layout mode, this device integrated cutting, draw in, smash and store the function, overall structure is compact, is applicable to the operation of this device of multiple engineering vehicle carrying.

Thirdly, the crushing device 20 is a small high-power crushing device, so that the thick high-fiber crops can be effectively crushed, and the crushing device is small in size and convenient to install.

Fourth, the output power of the device is diversified, and a person skilled in the art can select various power output modes such as hydraulic power, electric power, oil power and the like as required.

The principles and embodiments of the present utility model have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present utility model; also, it is within the scope of the present utility model 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 utility model.

Claims

1. Plant harvesting device, its characterized in that: the cutting and gathering device comprises a roller assembly, a first frame, a second frame and a tensioning mechanism, wherein the roller assembly comprises a transmission shaft, a cutting knife, a first motor, rollers and a transmission mechanism, the transmission shaft is vertically arranged, the cutting knife is fixed at the bottom of the transmission shaft, the output end of the first motor is connected with the transmission shaft so as to drive the cutting knife to rotate so as to cut branches, the rollers are sleeved on the transmission shaft, the transmission shaft can drive the rollers to rotate through the transmission mechanism, the roller assembly is provided with two groups, the two groups of roller assemblies are respectively arranged on the first frame and the second frame, a feeding channel is formed between the two rollers of the two groups of roller assemblies, and the two rollers can rotate in opposite directions so as to convey the branches cut by the cutting knife to the crushing device; the first frame is connected with the second frame through the tensioning mechanism, and the tensioning mechanism can adjust the distance between the two rollers according to the thickness of the branches.

2. The plant harvesting device of claim 1, wherein: the tensioning mechanism comprises a second motor, a screw rod, a tensioning sensor and a tensioning controller, wherein a fixed block is arranged at one end of the first frame, a sliding rail is horizontally arranged at the position, close to the fixed block, of the first frame, a sliding block is arranged on the second frame, the sliding block is matched with the sliding rail, the second motor is arranged on the fixed block, one end of the screw rod is connected with the output end of the second motor, the other end of the screw rod is in threaded connection with the second frame, and the second motor can drive the screw rod to rotate so as to drive the second frame to move along the sliding rail on the first frame; the tensioning sensor and the second motor are electrically connected with the tensioning controller, the tensioning sensor is used for detecting feeding pressure in the feeding channel, and the tensioning controller is used for controlling the second motor.

3. The plant harvesting device of claim 1, wherein: the cutting and gathering device further comprises a roller rotating speed sensor and a roller rotating speed controller, wherein the roller rotating speed sensor is used for detecting the rotating speeds of the two rollers, and the roller rotating speed controller is used for controlling the two first motors.

4. The plant harvesting device of claim 1, wherein: any one group the drive mechanism of cylinder subassembly all includes the gearbox, the gearbox is fixed in first frame or on the second frame, and be located corresponding the cylinder top, be provided with one-level belt pulley, second grade belt pulley, two tertiary belt pulleys and two belts in the gearbox, the one end of gearbox is provided with from top to bottom one-level belt pulley with the second grade belt pulley, just one-level belt pulley fixed cover is located on the transmission shaft, the second grade belt pulley rotates the cover and locates on the transmission shaft, and with cylinder fixed connection, the other end of gearbox is provided with two from top to bottom tertiary belt pulley, wherein, be located the top tertiary belt pulley pass through one with one-level belt pulley connection, be located the below tertiary belt pulley pass through another belt pulley with second grade belt pulley connection, the transmission shaft can drive one-level belt pulley and two tertiary belt pulley rotate, thereby drive the second grade belt pulley together with the cylinder rotates, just the diameter of second grade belt pulley is less than the one-level diameter acceleration belt pulley is less than the cylinder is rotated.

5. The plant harvesting device of claim 1, wherein: the output end of the first motor is connected with the corresponding transmission shaft through a coupler.

6. The plant harvesting device of claim 1, wherein: the crushing device comprises a crushing box, a third motor, a movable cutter disc and a static blade, wherein an inlet of the crushing box is communicated with the feeding channel, the third motor is arranged on the crushing box, the movable cutter disc is arranged in the crushing box and is connected with an output end of the third motor, the static blade is arranged on the inner wall of the crushing box, the static blade and the blade of the movable cutter disc are in a tool setting state, the third motor can drive the movable cutter disc to rotate so as to crush branches in the crushing box, and an outlet of the crushing box is arranged at the top of the crushing box in a tangential direction of the movable cutter disc and is communicated with the discharging device.

7. The plant harvesting apparatus of claim 6, wherein: the blades of the movable cutter head are three.

8. The plant harvesting apparatus of claim 6, wherein: the crushing device further comprises a movable cutter disc rotating speed sensor and a movable cutter disc rotating speed controller, wherein the movable cutter disc rotating speed sensor and the third motor are electrically connected with the movable cutter disc rotating speed controller, the movable cutter disc rotating speed sensor is used for detecting the rotating speed of the movable cutter disc, and the movable cutter disc rotating speed controller is used for controlling the third motor.

9. The plant harvesting device of claim 8, wherein: the discharging device comprises a storage box, a fourth motor and an auger, wherein the storage box is arranged above the crushing box, an inlet of the storage box is communicated with an outlet of the crushing box, the fourth motor is arranged on the storage box, the auger is arranged in the storage box and is connected with an output end of the fourth motor, and the fourth motor can drive the auger to rotate so as to output crushed branches in the storage box from a discharge port of the storage box.

10. The plant harvesting device of claim 9, wherein: the discharging device further comprises a full material sensor and a full material controller, wherein the full material sensor and the fourth motor are electrically connected with the full material controller, the full material sensor is used for detecting whether full material is filled in the material storage box, and the full material controller is used for controlling the fourth motor.