Mountain nut harvesting device capable of preventing under-forest crops from being damaged

Abstract

The invention belongs to the technical field of nut harvesting devices, and discloses a mountain nut harvesting device capable of avoiding damage to under-forest crops, the mountain nut harvesting device comprises a driving assembly, the driving assembly is sequentially provided with a picking assembly, a collecting assembly and a screening assembly from top to bottom, and the collecting assembly comprises two frames; collecting nets are fixedly connected to the inner walls of the two frames, discharging holes are formed in the outer walls of the two frames, elastic sleeves are fixedly connected to the inner walls of the two frames, the driving assembly comprises a supporting frame, and mounting holes are formed in the outer wall of the supporting frame. A rotating rod is driven by a third motor to rotate, a rotating seat is driven by the rotating rod to rotate, the inclination degree of the frame can be adjusted, the position of a discharging opening can be adjusted according to local conditions, the flexibility of the device is improved, damage to under-forest crops is effectively reduced, the labor cost is saved, and the collection period is shortened; and the overall quality of products on trees is indirectly improved.

Description

Technical Field

[0001] The invention relates to the field of nut harvesting devices, and more particularly to a mountain nut harvesting device which avoids damaging understory crops. Background Art

[0002] Mountain nut harvesting device is an efficient and intelligent agricultural machinery designed for mountain terrain and nut crops. With the rapid development of agricultural modernization, this type of device is gradually replacing traditional manual labor, greatly improving agricultural production efficiency and crop harvesting quality.

[0003] When the nut picking device in the prior art is in use and encounters undulating mountain terrain, the nut collecting device is affected by the undulating terrain and cannot be moved at will according to the position of the discharge port of the picking device. At this time, the position of the discharge port of the picking device needs to be adjusted. However, most of the devices in the prior art are conical structures, which are discharged through the bottom of the conical net, have poor flexibility, and cannot be adapted to local conditions. Summary of the invention

[0004] The present application aims to solve at least one of the technical problems existing in the prior art. To this end, the present application proposes a mountain nut harvesting device that avoids damaging understory crops. The third motor drives the rotating rod to rotate, and the rotating rod drives the rotating seat to rotate, so that the inclination of the frame can be adjusted, so that the position of the discharge port can be adjusted according to local conditions, thereby improving the flexibility of the device and avoiding damaging understory crops.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: a mountain nut harvesting device that avoids damaging understory crops, comprising a driving assembly, wherein the driving assembly is sequentially installed with a picking assembly, a collecting assembly and a screening assembly from top to bottom; The collecting assembly comprises two frames, the inner walls of the two frames are fixedly connected with collecting nets, the outer walls of the two frames are provided with discharge holes, and the inner walls of the two frames are fixedly connected with elastic sleeves.

[0006] Preferably, the driving assembly includes a support frame, the outer wall of the support frame is provided with a mounting hole, the inner wall of the mounting hole is fixedly connected to a first cylinder, the output end of the first cylinder is fixedly connected to a first hinge seat, the inner wall of the first hinge seat is rotatably connected to a swing arm, the end of the swing arm is rotatably connected to a second hinge seat, the outer wall of the support frame is fixedly connected to two support arms, a first rotating shaft is rotatably connected between the two support arms, the inner wall of the support frame is fixedly connected to a first fixed seat, and limiting grooves are provided on both sides of the support frame.

[0007] Preferably, the picking component includes a mounting seat, the bottom of the mounting seat is fixedly connected to the second hinge seat, the mounting seat sleeve is on the first rotating shaft and is rotatably connected thereto, the inner wall of the mounting seat is fixedly connected to a fixing frame, the inner wall of the fixing frame is fixedly connected to a first motor, the output end of the first motor is fixedly connected to a worm, the inner wall of the mounting seat is rotatably connected to two second rotating shafts, the circumferential outer walls of the two second rotating shafts are fixedly connected to worm wheels, the worm gear is meshed with two worm wheels, the two second rotating shaft ends respectively pass through the mounting seat and extend to the outside thereof, the two second rotating shaft ends are fixedly connected to a swing frame, and the outer walls of the two swing frames are fixedly connected to swing rods.

[0008] Preferably, a second motor is fixedly connected to the top of the mounting seat, a screw is fixedly connected to the output end of the second motor, a first support frame is threadedly connected to the circumferential outer wall of the screw, two first sliding sleeves are sleeved on the inner wall of the first support frame, two third rotating shafts are fixedly connected to the outer walls of the two first sliding sleeves, ends of the third rotating shafts respectively pass through the first support frame and are rotatably connected thereto, and the two first sliding sleeves are respectively sleeved on the rocker arm and are slidably connected thereto.

[0009] Preferably, the end of the screw rod is rotatably connected to a second support frame, a plurality of arc grooves are formed on the outer wall of the second support frame, two second sliding sleeves are sleeved on the inner wall of the second support frame, two sliding shafts are fixedly connected to the outer walls of the two second sliding sleeves, the ends of the sliding shafts respectively pass through the arc grooves and slide with the inner walls, and the two second sliding sleeves are respectively sleeved on the rocker arm and slidably connected with it.

[0010] Preferably, the outer walls of the two rocker arms are fixedly connected to two support plates, the inner walls of the two support plates located on the same rocker arm are fixedly connected to the second cylinder, the output ends of the two second cylinders are fixedly connected to connecting plates, and the outer walls of the two connecting plates are fixedly connected to connecting rods.

[0011] Preferably, the inner walls of the two connecting rods are rotatably connected to the fourth rotating shaft, the ends of the two fourth rotating shafts are fixedly connected to the first limiting sleeve, the outer ends of the two fourth rotating shafts are sleeved with torsion springs, the ends of the two fourth rotating shafts are fixedly connected to the clamping sleeves, one end of the torsion spring is fixedly connected to the rocker arm, and the other end of the torsion spring is fixedly connected to the first limiting sleeve.

[0012] Preferably, the inner walls of the two sleeves are sleeved with two rollers, and both sides of the two rollers are provided with plugging plates, and the plugging plates are respectively fixedly connected to the inner walls of the sleeves, and the outer walls of the plugging plates are provided with sliding holes, and the inner walls of the sliding holes are slidably connected with pull rods, and the ends of the pull rods pass through the plug plates and extend to the outside of the plug plates, and the inner walls of the rollers are rotatably connected with a fixed shaft, and the two ends of the fixed shaft are respectively sleeved on the pull rods and slidably connected to them, and the outer walls of the two adjacent plug plates are fixedly connected with a fixing frame, and the inner wall of the fixing frame is slidably connected with a pull plate, and the pull plates are respectively fixedly connected to the two pull rod ends, and the outer walls of the pull plates are fixedly connected with sliding rods, and the ends of the sliding rods pass through the fixing frame and are slidably connected to the second limiting sleeve, and the ends of the sliding rods are sleeved with a spring, one end of the spring is fixedly connected to the second limiting sleeve, and the other end of the spring is fixedly connected to the fixing frame.

[0013] Preferably, the screening assembly includes a rotating seat and a second fixed seat, a third motor is fixedly connected to the inner wall of the second fixed seat, a rotating rod is fixedly connected to the output end of the third motor, the end of the rotating rod passes through the second fixed seat and extends to the outside thereof, and the end of the rotating rod is fixedly connected to the rotating seat.

[0014] Preferably, an installation cavity is formed in the inner wall of the second fixed seat, and the inner side walls of the installation cavity are slidingly connected to the inner walls of the limiting grooves respectively. A third cylinder is provided in the installation cavity, and the third cylinder is fixedly connected to the inner wall of the first fixed seat. A bracket is fixedly connected to the top of the rotating seat, and the outer walls of the brackets are fixedly connected to the fourth motor. The top of the rotating seat is rotatably connected to two fifth rotating shafts, and the circumferential outer walls of the two fifth rotating shafts are fixedly connected to gears, and the two gears are meshed with each other. The two ends of the fifth rotating shafts respectively penetrate the rotating seat and extend to the bottom thereof, and the two ends of the fifth rotating shafts are fixedly connected to swing plates, the output end of the fourth motor is fixedly connected to one of the fifth rotating shafts, and the two ends of the swing plates are respectively fixedly connected to the corresponding frames.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, the third motor drives the rotating rod to rotate, and the rotating rod drives the rotating seat to rotate, so that the inclination of the frame can be adjusted, and the position of the discharge port can be adjusted according to local conditions, thereby improving the flexibility of the device and effectively reducing the damage to the crops under the forest, saving labor costs and shortening the collection cycle, and indirectly improving the overall quality of the products on the tree.

[0016] 2. In the present invention, through the first motor, the second motor, the fourth motor, the first cylinder, the second cylinder, the third cylinder and other automated components, operations such as efficient clamping of the tree trunk, height adjustment and shaking of the tree trunk are realized, which greatly improves the efficiency of nut picking and reduces manual trampling. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the implementation methods of the present application, the drawings required for use in the implementation methods will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the overall structure of the driving assembly of the present invention; Figure 3 It is a schematic diagram of the installation structure of the first cylinder of the present invention; Figure 4 It is a schematic diagram of the overall structure of the picking assembly of the present invention; Figure 5 It is a schematic diagram of the installation structure of the second cylinder of the present invention; Figure 6 It is a schematic diagram of the installation structure of the worm gear of the present invention; Figure 7 is a schematic diagram of the installation structure of the second sliding sleeve of the present invention; Figure 8 It is a structural schematic diagram of the ferrule of the present invention; Fig. 9 It is a schematic diagram of the installation structure of the roller of the present invention; Fig.10 It is a schematic diagram of the installation structure of the second screen of the present invention; Fig.11 It is a schematic diagram of the installation structure of the swing plate of the present invention; Fig.12 It is a schematic diagram of the overall structure of the collecting component of the present invention.

[0019] Explanation of the reference numerals in the figure: 1. driving assembly; 101. support frame; 102. mounting hole; 103. first cylinder; 104. first hinge seat; 105. swing arm; 106. second hinge seat; 107. support arm; 108. first rotating shaft; 109. first fixed seat; 110. limiting groove; 2. picking assembly; 201. mounting seat; 202. fixed frame; 203. first motor; 204. worm; 205. second rotating shaft; 206. worm gear; 207. swing frame; 208. second motor; 209. screw; 210. swing arm; 211. first supporting frame; 212. first sliding sleeve; 213. third rotating shaft; 214. supporting plate; 215. second cylinder; 216. second supporting frame; 217. arc groove; 218. sliding shaft; 219. connecting plate; 22 0. Connecting rod; 221. Fourth rotating shaft; 222. First limiting sleeve; 223. Torsion spring; 224. Clamping sleeve; 225. Insert plate; 226. Sliding hole; 227. Pull rod; 228. Fixed shaft; 229. Roller; 230. Fixed frame; 231. Slide rod; 232. Second limiting sleeve; 233. Spring; 234. Pull plate; 235. Second sliding sleeve; 3. Screening assembly; 301. Rotating seat; 302. Third motor; 303. Rotating rod; 304. Bracket; 305. Second fixed seat; 306. Mounting cavity; 307. Third cylinder; 308. Fourth motor; 309. Fifth rotating shaft; 310. Gear; 311. Swinging plate; 4. Collecting assembly; 401. Frame; 402. Discharge hole; 403. Collecting net; 404. Elastic sleeve. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the implementation mode of the present application clearer, the technical solution in the implementation mode of the present application will be clearly and completely described in combination with the drawings in the implementation mode of the present application. Obviously, the described implementation mode is a part of the implementation mode of the present application, not all the implementation modes. Based on the implementation mode in the present application, all other implementation modes obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application. The specific implementation modes of the present invention are described in detail in combination with the drawings in the specification. Embodiment 1:

[0021] like Figure 1-Figure 3As shown, a mountain nut harvesting device for avoiding harming understory crops includes a driving assembly 1, and the driving assembly 1 includes a support frame 101. The outer wall of the support frame 101 is provided with a mounting hole 102, and the inner wall of the mounting hole 102 is fixedly connected to a first cylinder 103, and the output end of the first cylinder 103 is fixedly connected to a first hinge seat 104, and the inner wall of the first hinge seat 104 is rotatably connected to a swing arm 105, and the end of the swing arm 105 is rotatably connected to a second hinge seat 106, and the outer wall of the support frame 101 is fixedly connected to two support arms 107, and a first rotating shaft 108 is rotatably connected between the two support arms 107, and the inner wall of the support frame 101 is fixedly connected to a first fixed seat 109, and limiting grooves 110 are provided on both sides of the support frame 101.

[0022] Understory crops such as walnut trees are planted with medicinal herbs, forest vegetables, and edible fungi; nut forests are planted with edible flowers and edible and medicinal plants; fruit gardens are planted with vegetables, etc. In the process of collecting tree products, manual operations trample on them, and tree products fall during the picking process, damaging the varieties planted on the ground. This device can effectively reduce the damage to understory crops. The use of semi-mechanized equipment in mountain areas saves labor costs and shortens the collection cycle, indirectly improving the overall quality of tree products. Embodiment 2:

[0023] This embodiment provides a mountain nut harvesting device that avoids damaging understory crops, and further includes the following structures based on the first embodiment: like Figure 1 and Figure 4-Figure 9 As shown, the driving assembly 1 is installed with a picking assembly 2, and the picking assembly 2 includes a mounting seat 201, the bottom of the mounting seat 201 is fixedly connected to the second hinge seat 106, the mounting seat 201 is sleeved on the first rotating shaft 108 and is rotatably connected thereto, the inner wall of the mounting seat 201 is fixedly connected to a fixed frame 202, the inner wall of the fixed frame 202 is fixedly connected to a first motor 203, the output end of the first motor 203 is fixedly connected to a worm 204, the inner wall of the mounting seat 201 is rotatably connected to two second rotating shafts 205, the circumferential outer walls of the two second rotating shafts 205 are fixedly connected to worm wheels 206, the worm 204 is meshed with the two worm wheels 206, the ends of the two second rotating shafts 205 respectively penetrate the mounting seat 201 and extend to the outside thereof, the ends of the two second rotating shafts 205 are fixedly connected to swing frames 207, and the outer walls of the two swing frames 207 are fixedly connected to swing rods 210.

[0024] A second motor 208 is fixedly connected to the top of the mounting base 201, a screw 209 is fixedly connected to the output end of the second motor 208, a first support frame 211 is threadedly connected to the circumferential outer wall of the screw 209, two first sliding sleeves 212 are sleeved on the inner wall of the first support frame 211, two third rotating shafts 213 are fixedly connected to the outer walls of the two first sliding sleeves 212, ends of the third rotating shafts 213 respectively pass through the first support frame 211 and are rotatably connected thereto, and the two first sliding sleeves 212 are respectively sleeved on the rocker arm 210 and are slidably connected thereto.

[0025] The end of the screw rod 209 is rotatably connected to a second support frame 216, a plurality of arc grooves 217 are formed on the outer wall of the second support frame 216, two second sliding sleeves 235 are sleeved on the inner wall of the second support frame 216, the outer walls of the two second sliding sleeves 235 are fixedly connected to two sliding shafts 218, the ends of the sliding shafts 218 respectively pass through the arc grooves 217 and slide with the inner wall thereof, and the two second sliding sleeves 235 are respectively sleeved on the rocker arm 210 and slidably connected with it.

[0026] The outer walls of the two rocker arms 210 are fixedly connected to two support plates 214, the inner walls of the two support plates 214 on the same rocker arm 210 are fixedly connected to the second cylinder 215, the output ends of the two second cylinders 215 are fixedly connected to connecting plates 219, and the outer walls of the two connecting plates 219 are fixedly connected to connecting rods 220.

[0027] The inner walls of the two connecting rods 220 are rotatably connected with the fourth rotating shaft 221, the ends of the two fourth rotating shafts 221 are fixedly connected with the first limiting sleeve 222, the outer ends of the two fourth rotating shafts 221 are sleeved with torsion springs 223, the ends of the two fourth rotating shafts 221 are fixedly connected with a clamping sleeve 224, one end of the torsion spring 223 is fixedly connected to the rocker rod 210, and the other end of the torsion spring 223 is fixedly connected to the first limiting sleeve 222.

[0028] Two rollers 229 are sleeved on the inner walls of the two ferrules 224, and plug plates 225 are provided on both sides of the two rollers 229. The plug plates 225 are fixedly connected to the inner walls of the ferrules 224 respectively. Slide holes 226 are opened on the outer walls of the plug plates 225. The inner walls of the slide holes 226 are slidably connected with pull rods 227. The ends of the pull rods 227 pass through the plug plates 225 and extend to the outside thereof. The inner walls of the rollers 229 are rotatably connected with fixed shafts 228. The two ends of the fixed shafts 228 are respectively sleeved on the pull rods 227 and slidably connected thereto. The outer walls of the two adjacent plug plates 225 are fixedly connected. A fixed frame 230 is fixedly connected, and a pull plate 234 is slidably connected to the inner wall of the fixed frame 230. The pull plate 234 is fixedly connected to the ends of the two pull rods 227 respectively. The outer walls of the pull plates 234 are fixedly connected to sliding rods 231. The ends of the sliding rods 231 pass through the fixed frame 230 and are slidably connected thereto. The ends of the sliding rods 231 are fixedly connected to the second limiting sleeves 232. The ends of the sliding rods 231 are sleeved with springs 233. One end of the spring 233 is fixedly connected to the second limiting sleeve 232, and the other end of the spring 233 is fixedly connected to the fixed frame 230.

[0029] Through the coordinated work of the first motor 203 and the second motor 208, the two rocker arms 210 drive the clamping sleeve 224 to clamp the tree trunk, ensuring the stability of the clamping. At the same time, the design of the roller 229 on the inner side of the clamping sleeve 224 allows the device to slide smoothly when clamping the tree trunk, reducing damage to the tree trunk and adapting to tree trunks of different diameters.

[0030] When the roller 229 is squeezed by the trunk, it can push the fixed shaft 228 and the pull rod 227 to move, thereby stretching the spring 233 so that the sleeve 224 is in full contact with the trunk. This adaptive adjustment mechanism ensures the stable clamping of the device on different trunks, thereby improving the reliability and success rate of picking.

[0031] When the clamp 224 moves, it drives the inner roller 229 to roll along the surface of the trunk, and moves the clamp 224 to the branch of the trunk for clamping. When the two second cylinders 215 drive the trunk to shake, the shaking force can be more concentrated on the upper part of the trunk rather than the root, which helps to loosen and shake off the nuts on the trunk more effectively, because the branches are usually areas where nuts are denser and the connection is more fragile. Secondly, because the shaking force is far away from the root of the trunk, this design greatly reduces the potential damage to the roots and soil structure. This is crucial to protecting the health and growth of trees; in addition, by accurately clamping and shaking the branches of the trunk, the nuts can be shaken off the branches more effectively, thereby improving the overall picking efficiency. At the same time, it reduces the ineffective shaking of non-target areas, further saving energy and time. Embodiment three:

[0032] This embodiment provides a mountain nut harvesting device that avoids damaging understory crops, and further includes the following structures based on the second embodiment: like Figure 1 , Fig.10 and Fig.11 As shown, the driving component 1 is installed with a screening component 3, and the screening component 3 includes a rotating seat 301 and a second fixed seat 305. The inner wall of the second fixed seat 305 is fixedly connected to the third motor 302, and the output end of the third motor 302 is fixedly connected to the rotating rod 303. The end of the rotating rod 303 passes through the second fixed seat 305 and extends to its outside, and the end of the rotating rod 303 is fixedly connected to the rotating seat 301.

[0033] An installation cavity 306 is provided on the inner wall of the second fixed seat 305, and the inner side walls of the installation cavity 306 are slidably connected to the inner walls of the limiting groove 110 respectively. A third cylinder 307 is provided in the installation cavity 306, and the third cylinder 307 is fixedly connected to the inner wall of the first fixed seat 109. A bracket 304 is fixedly connected to the top of the rotating seat 301, and the outer walls of the bracket 304 are fixedly connected to the fourth motor 308. The top of the rotating seat 301 is rotatably connected to two fifth rotating shafts 309, and the circumferential outer walls of the two fifth rotating shafts 309 are fixedly connected to gears 310. The two gears 310 are meshed with each other. The ends of the two fifth rotating shafts 309 respectively penetrate the rotating seat 301 and extend to the bottom thereof, and the ends of the two fifth rotating shafts 309 are fixedly connected to swing plates 311. The output end of the fourth motor 308 is fixedly connected to one of the fifth rotating shafts 309, and the ends of the two swing plates 311 are fixedly connected to the corresponding frames 401 respectively. Embodiment 4:

[0034] This embodiment provides a mountain nut harvesting device that avoids damaging understory crops, and further includes the following structures based on the third embodiment: like Figure 1 and Fig.12 As shown, the driving assembly 1 is installed with a collecting assembly 4, which includes two frames 401, the inner walls of the two frames 401 are fixedly connected with a collecting net 403, the outer walls of the two frames 401 are opened with discharge holes 402, and the inner walls of the two frames 401 are fixedly connected with an elastic sleeve 404.

[0035] Working principle: the device is installed on the mobile vehicle, and the two clamping sleeves 224 are moved to the two sides of the tree trunk. The first motor 203 and the second motor 208 are started at the same time, and the screw 209 is driven to rotate by the second motor 208. The first bracket 211 drives the two first sliding sleeves 212 to slide along the outer wall of the swing rod 210 respectively, and squeezes the two swing rods 210. At the same time, the first motor 203 drives the worm 204 to rotate, and the first motor 203 drives the worm 204 to rotate, and the two worm wheels 206 are driven to rotate by the worm 204, and the second rotating shaft 205 is driven to rotate by the two worm wheels 206, so that the two swing rods 210 are driven by the first motor 203 and the second motor 208 respectively, and the clamping sleeves 224 are driven by the two swing rods 210 to clamp and fix the tree trunk. When the clamping sleeve 224 is clamped, the roller 229 inside the clamping sleeve 224 contacts the tree trunk. When the swing rod 210 rotates, the second sliding sleeve 235 slides along the outer wall of the swing rod 210, and the swing rod 210 drives the sliding shaft 218 to slide along the inner wall of the arc groove 217 through the second sliding sleeve 235; The first cylinder 103 drives the mounting seat 201 to rotate around the first rotating shaft 108 through the swing arm 105, thereby adjusting the height of the ferrule 224. During the adjustment process, the second cylinder 215 drives the connecting rod 220 to move through the connecting plate 219, thereby cooperating with the vertical movement of the ferrule 224. When the clamping sleeve 224 moves, it drives the inner roller 229 to roll along the surface of the trunk. When the clamping sleeve 224 is moved to the branch of the trunk, the first motor 203 and the second motor 208 are started again, so that the two clamping sleeves 224 clamp the outer wall of the trunk. At this time, the roller 229 is squeezed by the trunk, pushing the fixed shaft 228 to move, and the fixed shaft 228 pushes the two pull rods 227 to move. The two pull rods 227 push the pull plate 234 to slide along the inner wall of the fixed frame 230, and the pull plate 234 pushes the slide bar 231 to slide along the inner wall of the fixed frame 230, so that the spring 233 is stretched until the clamping sleeve 224 is fully in contact with the trunk; The third cylinder 307 drives the second fixing seat 305 to slide along the inner wall of the limiting groove 110. When the second fixing seat 305 moves, it drives the two frames 401 to move to both sides of the tree trunk, and the elastic sleeve 404 will be sleeved on the surface of the tree trunk; The third motor 302 drives the rotating rod 303 to rotate, and the rotating rod 303 drives the rotating seat 301 to rotate, so as to adjust the inclination of the frame 401; The fourth motor 308 drives two gears 310 to rotate simultaneously through the fifth rotating shaft 309, and the two fifth rotating shafts 309 drive two frames 401 to rotate respectively through the swinging plates 311, and the two frames 401 are respectively located on both sides of the trunk; The two second cylinders 215 are reciprocated and rapidly extended and retracted, and the trunk is driven to shake through the clamping sleeve 224, so that the nuts are shaken into the collection net 403 and discharged through the discharge hole 402 at the lower end.

[0036] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A mountain nut harvesting device for avoiding damage to understory crops, comprising a drive assembly (1), characterized in that: The driving component (1) is provided with a picking component (2), a collecting component (4) and a screening component (3) in order from top to bottom; The collecting assembly (4) comprises two frames (401), the inner walls of the two frames (401) are fixedly connected with a collecting net (403), the outer walls of the two frames (401) are provided with a discharge hole (402), and the inner walls of the two frames (401) are fixedly connected with an elastic sleeve (404).

2. The mountain nut harvesting device for avoiding damage to understory crops according to claim 1 is characterized in that: The driving assembly (1) comprises a support frame (101), the outer wall of the support frame (101) is provided with a mounting hole (102), the inner wall of the mounting hole (102) is fixedly connected to a first cylinder (103), the output end of the first cylinder (103) is fixedly connected to a first hinge seat (104), the inner wall of the first hinge seat (104) is rotatably connected to a swing arm (105), the end of the swing arm (105) is rotatably connected to a second hinge seat (106), the outer wall of the support frame (101) is fixedly connected to two support arms (107), a first rotating shaft (108) is rotatably connected between the two support arms (107), the inner wall of the support frame (101) is fixedly connected to a first fixed seat (109), and both sides of the support frame (101) are provided with limiting grooves (110).

3. The mountain nut harvesting device for avoiding damage to understory crops according to claim 2, characterized in that: The picking assembly (2) comprises a mounting seat (201), the bottom of the mounting seat (201) is fixedly connected to the second hinge seat (106), the mounting seat (201) is sleeved on the first rotating shaft (108) and is rotatably connected thereto, the inner wall of the mounting seat (201) is fixedly connected to a fixing frame (202), the inner wall of the fixing frame (202) is fixedly connected to a first motor (203), the output end of the first motor (203) is fixedly connected to a worm (204), and the mounting seat (20 1) The inner wall is rotatably connected to two second rotating shafts (205), the circumferential outer walls of the two second rotating shafts (205) are fixedly connected to worm wheels (206), the worm (204) is meshed with the two worm wheels (206), the ends of the two second rotating shafts (205) respectively penetrate the mounting seat (201) and extend to the outside thereof, the ends of the two second rotating shafts (205) are fixedly connected to swing frames (207), and the outer walls of the two swing frames (207) are fixedly connected to swing rods (210).

4. The mountain nut harvesting device for avoiding damage to understory crops according to claim 3 is characterized in that: A second motor (208) is fixedly connected to the top of the mounting seat (201); a screw rod (209) is fixedly connected to the output end of the second motor (208); a first support frame (211) is threadedly connected to the circumferential outer wall of the screw rod (209); two first sliding sleeves (212) are sleeved on the inner wall of the first support frame (211); two third rotating shafts (213) are fixedly connected to the outer walls of the two first sliding sleeves (212); ends of the third rotating shafts (213) respectively penetrate the first support frame (211) and are rotatably connected thereto; and the two first sliding sleeves (212) are respectively sleeved on the swing rod (210) and are slidably connected thereto.

5. The mountain nut harvesting device for avoiding damage to understory crops according to claim 4, characterized in that: The end of the screw rod (209) is rotatably connected to a second support frame (216); a plurality of arc grooves (217) are formed on an outer wall of the second support frame (216); two second sliding sleeves (235) are sleeved on an inner wall of the second support frame (216); the outer walls of the two second sliding sleeves (235) are fixedly connected to two sliding shafts (218); the ends of the sliding shafts (218) respectively penetrate the arc grooves (217) and slide on the inner walls thereof; the two second sliding sleeves (235) are respectively sleeved on the swing rod (210) and are slidably connected thereto.

6. The mountain nut harvesting device for avoiding damage to understory crops according to claim 5, characterized in that: The outer walls of the two swing rods (210) are fixedly connected to two supporting plates (214), the inner walls of the two supporting plates (214) located on the same swing rod (210) are fixedly connected to a second cylinder (215), the output ends of the two second cylinders (215) are fixedly connected to a connecting plate (219), and the outer walls of the two connecting plates (219) are fixedly connected to a connecting rod (220).

7. The mountain nut harvesting device for avoiding damage to understory crops according to claim 6, characterized in that: The inner walls of the two connecting rods (220) are rotatably connected to a fourth rotating shaft (221), the ends of the two fourth rotating shafts (221) are fixedly connected to a first limiting sleeve (222), the outer ends of the two fourth rotating shafts (221) are sleeved with a torsion spring (223), the ends of the two fourth rotating shafts (221) are fixedly connected to a clamping sleeve (224), one end of the torsion spring (223) is fixedly connected to the swing rod (210), and the other end of the torsion spring (223) is fixedly connected to the first limiting sleeve (222).

8. The mountain nut harvesting device for avoiding damage to understory crops according to claim 7, characterized in that: The inner walls of the two clamping sleeves (224) are sleeved with two rollers (229), and both sides of the two rollers (229) are provided with plug plates (225), and the plug plates (225) are respectively fixedly connected to the inner walls of the clamping sleeves (224). The outer walls of the plug plates (225) are provided with sliding holes (226), and the inner walls of the sliding holes (226) are slidably connected with pull rods (227), and the ends of the pull rods (227) pass through the plug plates (225) and extend to the outside thereof. The inner walls of the rollers (229) are rotatably connected with fixed shafts (228), and the two ends of the fixed shafts (228) are respectively sleeved on the pull rods (227) and slidably connected thereto. The outer walls of the two adjacent plug plates (225) are A fixing frame (230) is fixedly connected, and a pull plate (234) is slidably connected to the inner wall of the fixing frame (230), and the pull plate (234) is fixedly connected to the ends of two pull rods (227) respectively, and a sliding rod (231) is fixedly connected to the outer wall of the pulling plate (234), and the ends of the sliding rod (231) pass through the fixing frame (230) and are slidably connected thereto, and the ends of the sliding rod (231) are fixedly connected to a second limiting sleeve (232), and the ends of the sliding rod (231) are sleeved with a spring (233), one end of the spring (233) is fixedly connected to the second limiting sleeve (232), and the other end of the spring (233) is fixedly connected to the fixing frame (230).

9. The mountain nut harvesting device for avoiding damage to understory crops according to claim 8, characterized in that: The screening assembly (3) comprises a rotating seat (301) and a second fixed seat (305); a third motor (302) is fixedly connected to the inner wall of the second fixed seat (305); a rotating rod (303) is fixedly connected to the output end of the third motor (302); an end of the rotating rod (303) passes through the second fixed seat (305) and extends to the outside thereof; and an end of the rotating rod (303) is fixedly connected to the rotating seat (301).

10. The mountain nut harvesting device for avoiding damage to understory crops according to claim 9, characterized in that: The inner wall of the second fixed seat (305) is provided with an installation cavity (306), the inner side walls of the installation cavity (306) are respectively slidably connected to the inner walls of the limiting groove (110), a third cylinder (307) is provided in the installation cavity (306), and the third cylinder (307) is fixedly connected to the inner wall of the first fixed seat (109), the top of the rotating seat (301) is fixedly connected to a bracket (304), the outer wall of the bracket (304) is fixedly connected to a fourth motor (308), and the top of the rotating seat (301) is rotatably connected to two fifth rotating shafts. The outer circumferential walls of the two fifth rotating shafts (309) are fixedly connected with gears (310), the two gears (310) are meshed with each other, the ends of the two fifth rotating shafts (309) respectively penetrate the rotating seat (301) and extend to the bottom thereof, the ends of the two fifth rotating shafts (309) are fixedly connected with swing plates (311), the output end of the fourth motor (308) is fixedly connected to one of the fifth rotating shafts (309), and the ends of the two swing plates (311) are respectively fixedly connected to the corresponding frames (401).

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