Mountain walnut harvesting equipment

Abstract

The utility model discloses mountain walnut harvesting equipment, and relates to the technical field of agricultural machinery. The mountain walnut harvesting equipment comprises a tractor and a dragging device, the dragging device comprises a mounting part, a transmission part, a guide part and a traction part, the transmission part comprises a transmission assembly and a dragging arm, and the traction part comprises a traction rope; the mounting part is connected with a tractor, the guide part is connected with the mounting part, the dragging arm is slidably connected with the guide part, a power output shaft of the tractor is in transmission connection with one end of the dragging arm through a transmission assembly and used for driving the dragging arm to reciprocate in the axial direction of the dragging arm, and the other end of the dragging arm is connected with a traction rope. The mountain walnut harvesting equipment provided by the embodiment of the utility model is used for harvesting walnuts, can also flexibly work in complex terrains such as mountain lands, and solves the problems that large harvesting equipment cannot be close to walnut trees for harvesting due to terrains and small harvesting equipment is inconvenient to move due to no power system.

Description

Technical Field

[0001] This application relates to the field of agricultural machinery technology, specifically to a walnut harvesting device for mountainous areas. Background Technology

[0002] Walnuts are an important economic crop and are widely cultivated worldwide. However, walnut harvesting has always been a labor-intensive process, especially in mountainous areas with complex terrain, where harvesting is even more difficult.

[0003] Traditional harvesting methods mainly rely on manual climbing of walnut trees, which is not only inefficient but also poses significant safety hazards. To improve walnut harvesting efficiency, specialized harvesting equipment is now commonly used.

[0004] However, when harvesting walnuts in mountainous areas with complex terrain, large harvesting equipment is often unable to get close to the walnut trees due to terrain limitations, while small harvesting equipment, although able to enter complex terrain, is often inconvenient to move due to the lack of a power system, making it impossible to carry out harvesting work quickly and effectively. Utility Model Content

[0005] The purpose of this application is to provide a walnut harvesting device for mountainous areas, which solves the problems of large harvesting equipment being unable to get close enough to harvest and small harvesting equipment being inconvenient to move.

[0006] The technical solution adopted by this application to solve its technical problem is:

[0007] A walnut harvesting device for mountainous areas includes a tractor and a towing device. The towing device includes a mounting section, a transmission section, a guide section, and a traction section. The transmission section includes a transmission assembly and a towing arm, and the traction section includes a traction rope. The mounting section is connected to the tractor, the guide section is connected to the mounting section, and the towing arm is slidably connected to the guide section. The power output shaft of the tractor is connected to one end of the towing arm via the transmission assembly and is used to drive the towing arm to reciprocate along its own axis. The other end of the towing arm is connected to the traction rope.

[0008] Furthermore, the mounting portion includes a tie rod assembly and a mounting bracket, the mounting bracket being connected to the tractor via the tie rod assembly, and the guide portion being connected to the mounting bracket.

[0009] Furthermore, the transmission assembly includes a gearbox, an eccentric wheel, and a connecting rod; the gearbox is connected to the mounting part, the input shaft of the gearbox is connected to the power output shaft of the tractor, the output shaft of the gearbox is connected to the eccentric wheel, the eccentric wheel is hinged to one end of the connecting rod, and the other end of the connecting rod is hinged to the towing arm.

[0010] Furthermore, the input shaft of the gearbox is connected to the power output shaft of the tractor via a belt drive mechanism.

[0011] Furthermore, the eccentric wheel is hinged to one end of the connecting rod via an adjusting assembly; the adjusting assembly includes an adjusting screw and a movable block; the adjusting screw is arranged perpendicular to the axial direction of the eccentric wheel and its two ends are respectively connected to the eccentric wheel, the movable block is threadedly connected to the adjusting screw, and one end of the connecting rod is hinged to the movable block.

[0012] Furthermore, both ends of the adjusting screw are connected to the eccentric wheel via adjusting screw bearing units, and a locking nut is also threaded onto the adjusting screw.

[0013] Furthermore, the connecting rod includes a first connecting rod, a second connecting rod slidably connected to the first connecting rod, and a locking bolt for locking the first connecting rod and the second connecting rod; one end of the first connecting rod is hinged to the eccentric wheel, and one end of the second connecting rod is hinged to one end of the drag arm.

[0014] Furthermore, the guide portion includes a guide seat connected to the mounting portion, the guide seat having a guide hole through which the drag arm passes.

[0015] Furthermore, the guide portion also includes a guide wheel disposed around the guide hole and in rolling cooperation with the drag arm.

[0016] Furthermore, the traction unit also includes a winch base, a winch, and a locking mechanism; the winch base is connected to the towing arm, the winch is rotatably connected to the winch base, the locking mechanism is disposed between the winch and the winch base and is used to lock the winch, and the traction rope is wound around the winch and one end of it is connected to the winch.

[0017] The beneficial effects of this application are:

[0018] The walnut harvesting equipment provided in this application is used for harvesting walnuts. A tractor drives a towing device to move quickly within the harvesting area. The tractor's power take-off shaft drives the towing arm to reciprocate, and the towing arm, via a traction rope, causes the walnut trees to sway, thus harvesting the walnuts. In complex terrain such as mountainous areas, the traction rope can be flexibly connected to different walnut trees, allowing the tractor to operate from a fixed position without having to move to each tree, improving work efficiency. Therefore, compared to existing harvesting equipment, this application can operate flexibly in complex terrain such as mountainous areas, solving the problems of large harvesting equipment being unable to approach walnut trees due to terrain limitations and small harvesting equipment being inconvenient to move due to the lack of a power system. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a perspective view of the mountain walnut harvesting equipment provided in the embodiments of this application;

[0021] Figure 2 It is a 3D diagram of the drag-and-drop device;

[0022] Figure 3 This is a 3D view of the installation section;

[0023] Figure 4 This is a three-dimensional view of the transmission unit;

[0024] Figure 5 This is the front view of the transmission unit;

[0025] Figure 6 yes Figure 5 Enlarged view of section A in the middle;

[0026] Figure 7 This is a top view of the transmission unit;

[0027] Figure 8 This is a three-dimensional view of the guide section;

[0028] Figure 9 This is a side view of the guide section;

[0029] Figure 10 This is a top view of the guide section;

[0030] Figure 11 This is a three-dimensional view of the traction unit;

[0031] Figure 12 This is the front view of the traction unit;

[0032] Figure 13 yes Figure 12 A cross-sectional view along line AA.

[0033] Figure label:

[0034] 1-Tractor;

[0035] 2-Drag and drop device;

[0036] 3-Installation section;

[0037] 301 - Upper tie rod; 302 - Upper spherical sleeve; 303 - Middle tie rod; 304 - Lower tie rod; 305 - Lower spherical sleeve; 306 - Splined shaft bearing unit; 307 - Lower column; 308 - Mounting bracket; 309 - Upper column;

[0038] 4-Transmission unit;

[0039] 401-Universal joint; 402-Splined shaft; 403-Small pulley; 404-Belt; 405-Eccentric wheel; 406-Moving block; 407-Adjusting screw bearing unit; 408-Moving block bearing cover; 409-Moving block bearing cover bolt; 410-First connecting rod; 411-Second connecting rod; 412-Trail arm; 413-Trail arm bearing cover bolt; 414-Trail arm bearing cover; 415-Locking bolt; 416-Adjusting screw; 417-Locking nut; 418-Pin; 419-Gearbox; 420-Large pulley;

[0040] 5-Guide section;

[0041] 501-Upper beam; 502-Upper beam bolt; 503-Upper beam nut; 504-Side support rod; 505-Side support rod bolt; 506-Side beam; 507-Side support rod nut; 508-Lower beam; 509-Lower beam bolt; 510-Lower connecting plate; 511-Gateway seat; 512-Gateway; 513-Side wheel bolt; 514-Side wheel; 515-Side wheel nut; 516-Gateway seat bolt; 519-Lower beam nut;

[0042] 6-Traction unit;

[0043] 601-Windlass base connecting plate; 602-Windlass gear cover; 603-First winch shaft bearing; 604-Windlass gear; 605-Gear shaft bearing; 606-Gear shaft nut; 607-Windlass gear shaft; 608-Handle screw; 609-Handle handle; 610-Windlass handle; 611-Reset spring; 612-Windlass; 613-Traction rope; 614-Windlass base; 615-Second winch shaft bearing; 616-Windlass shaft; 617-Self-locking rack; 618-Gear cover bolt. Detailed Implementation

[0044] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings.

[0045] It should be noted that similar reference numerals and letters in the following figures indicate similar items; therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures. Furthermore, the embodiments and features described in these embodiments can be combined with each other unless otherwise specified.

[0046] In the description of the embodiments of this application, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the product of this application is usually placed during use, or the orientation or positional relationship commonly understood by those skilled in the art. The terms "set", "open", "installed", "connected", and "connected" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, and integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal communication between two components.

[0047] See Figures 1 to 13 The mountain walnut harvesting equipment provided in this application includes a tractor 1 and a towing device 2. The towing device 2 includes an installation part 3, a transmission part 4, a guide part 5, and a traction part 6. The transmission part 4 includes a transmission assembly and a towing arm 412. The traction part 6 includes a traction rope 613. The installation part 3 is connected to the tractor 1, the guide part 5 is connected to the installation part 3, and the towing arm 412 is slidably connected to the guide part 5. The power output shaft of the tractor 1 is connected to one end of the towing arm 412 through the transmission assembly and is used to drive the towing arm 412 to reciprocate along its own axis. The other end of the towing arm 412 is connected to the traction rope 613.

[0048] The tractor 1 is located at the front of the entire harvesting equipment and provides power to move the towing device 2. The towing device 2 is installed at the rear of the tractor 1 and mainly consists of a mounting part 3, a transmission part 4, a guide part 5, and a traction part 6. Specifically, the mounting part 3 is suspended and installed at the rear of the tractor 1, the guide part 5 is installed on the mounting part 3, the towing arm 412 of the transmission part 4 is slidably installed on the guide part 5, the power output shaft of the tractor 1 provides power and is connected to one end of the towing arm 412 through the transmission assembly of the transmission part 4 to drive the towing arm 412 to reciprocate along its axis under the guidance of the guide part 5; the other end of the towing arm 412 is connected to the traction rope 613 of the traction part 6.

[0049] The walnut harvesting equipment provided in this application embodiment is used for harvesting walnuts. The specific harvesting process is as follows: First, the tractor 1 is started, and the worker drives the tractor 1 to pull the towing device 2 to move in the harvesting site. When the tractor 1 moves to the predetermined position, the towing rope 613 is connected to the walnut tree and the towing rope 613 is tightened. Then, the worker controls the power output shaft of the tractor 1 to rotate, so as to drive the towing arm 412 to move back and forth. The towing arm 412 pulls the walnut tree through the towing rope 613, causing the walnut tree to sway and causing the mature walnuts to fall from the tree, thus realizing the walnut harvesting.

[0050] The walnut harvesting equipment provided in this application embodiment allows the tractor 1 to drive the towing device 2 to move quickly within the harvesting area. The tractor 1's power take-off shaft drives the towing arm 412 to reciprocate, and the towing arm 412, via a traction rope 613, causes the walnut trees to sway, thus harvesting the walnuts. In complex terrain such as mountainous areas, the traction rope 613 can be flexibly connected to different walnut trees, allowing the tractor 1 to operate from a fixed position without having to move to each tree, improving operational efficiency. Therefore, compared to existing harvesting equipment, this application can operate flexibly in complex terrain such as mountainous areas, solving the problems of large harvesting equipment being unable to approach walnut trees due to terrain limitations and small harvesting equipment being inconvenient to move due to the lack of a power system.

[0051] In some embodiments, see Figure 3 The mounting part 3 includes a tie rod assembly and a mounting bracket 308. The mounting bracket 308 is connected to the tractor 1 via the tie rod assembly, and the guide part 5 is connected to the mounting bracket 308. The mounting bracket 308 can be a frame structure or a plate structure.

[0052] For example, the mounting bracket 308 can be a horizontally arranged plate-like structure, and the tie rod assembly can include an upper tie rod 301, an upper spherical bushing 302, a middle tie rod 303, a lower tie rod 304, a lower spherical bushing 305, a spline shaft bearing unit 306, a lower column 307, and an upper column 309. The upper support column 309 comprises two columns, both vertically positioned above the mounting frame 308, with their lower ends welded to the mounting frame 308. The upper tie rod 301 comprises two rods, one end of which is connected to the tractor 1 via an upper ball bushing 302, and the other end of which is bolted to the upper ends of the two upper columns 309 respectively. The lower support column 307 comprises two columns, both vertically positioned below the mounting frame 308, with their upper ends welded to the mounting frame 308. The lower tie rod 304 comprises two rods. One end of each of the two lower pull rods 304 is connected to the tractor 1 via a lower spherical bushing 305, and the other end of each lower pull rod 304 is connected to the lower end of each of the two lower columns 307 via bolts. There are two middle pull rods 303, which are arranged between the upper pull rod 301 and the lower pull rod 304. One end of each of the two middle pull rods 303 is connected to the tractor 1 via bolts, and the other end of each of the two middle pull rods 303 is connected to each of the two lower pull rods 304 via bolts. The spline shaft bearing unit 306 includes a bearing housing and a bearing installed therein. The bearing housing is installed below the mounting bracket 308 via bolts to fix the rotational position of the spline shaft 402 in the transmission part 4.

[0053] In some embodiments, see Figure 4 , Figure 5 , Figure 6 , Figure 7The transmission assembly includes a gearbox 419, an eccentric wheel 405, and a connecting rod. The gearbox 419 is connected to the mounting part 3. The input shaft of the gearbox 419 is connected to the power output shaft of the tractor 1. The output shaft of the gearbox 419 is connected to the eccentric wheel 405. The eccentric wheel 405 is hinged to one end of the connecting rod, and the other end of the connecting rod is hinged to the towing arm 412.

[0054] The working principle of the transmission assembly is as follows: the worker controls the power output shaft of the tractor 1 to rotate, so as to transmit power to the input shaft of the gearbox 419. The input shaft of the gearbox 419 rotates and drives its output shaft to rotate. The output shaft of the gearbox 419 then drives the eccentric wheel 405 on it to rotate. The eccentric wheel 405 drives the towing arm 412 to move back and forth under the guidance of the guide part 5 through the connecting rod.

[0055] In some embodiments, the gearbox 419 is bolted to the top of the mounting bracket 308, and the input shaft and output shaft of the gearbox 419 are perpendicular to each other to change the direction of force; the eccentric wheel 405 is mounted on the output shaft of the gearbox 419 and fixed by the pin 418, and the input shaft of the gearbox 419 is connected to the power output shaft of the tractor 1 through a belt drive mechanism.

[0056] For example, the belt drive mechanism may include a universal joint 401, a splined shaft 402, a small pulley 403, a belt 404, and a large pulley 420; the splined shaft 402 is rotatably mounted below the mounting bracket 308 via a splined shaft bearing unit 306, and one end of the splined shaft 402 is connected to the power output shaft of the tractor 1 via the universal joint 401 for transmitting power; the small pulley 403 is fixed to the other end of the splined shaft 402, and the large pulley 420 is fixed to the input shaft of the gearbox 419; the small pulley 403 and the large pulley 420 are connected by a belt 404 sleeved on both of them for transmitting the power output from the splined shaft 402 to the gearbox 419.

[0057] The working principle of the belt drive mechanism is as follows: the worker controls the power output shaft of the tractor 1 to rotate, the power output shaft of the tractor 1 drives the spline shaft 402 to rotate through the universal joint 401, the spline shaft 402 drives the small pulley 403 to rotate, the small pulley 403 drives the large pulley 420 to rotate through the belt 404, and the large pulley 420 then drives the input shaft of the gearbox 419 to rotate.

[0058] In some embodiments, see Figure 4 , Figure 5The eccentric wheel 405 is hinged to one end of the connecting rod via an adjusting assembly. The adjusting assembly includes an adjusting screw 416 and a movable block 406. The adjusting screw 416 is arranged perpendicular to the axial direction of the eccentric wheel 405, and its two ends are respectively connected to the eccentric wheel 405. The movable block 406 is threadedly connected to the adjusting screw 416, and one end of the connecting rod is hinged to the movable block 406. The movable block 406 has an internally threaded hole through which the adjusting screw 416 passes and is threadedly connected. For example, the movable block 406 may include a nut.

[0059] In use, by adjusting the position of the movable block 406 on the adjusting screw 416, the rotation radius of the movable block 406 on the eccentric wheel 405 can be changed, thereby adjusting the linear speed of the connecting rod. By adjusting the linear speed of the connecting rod, the reciprocating frequency of the drag arm 412 can be adjusted, thereby controlling the shaking force of the traction rope 613 on the walnut tree to adapt to walnut trees of different sizes and maturity levels.

[0060] The two ends of the adjusting screw 416 can be fixedly connected to the eccentric wheel 405. When it is necessary to adjust the position of the movable block 406 on the adjusting screw 416, the connecting structure between the movable block 406 and the connecting rod can be removed first, and the movable block 406 can be rotated to adjust its position. After the adjustment is completed, the movable block 406 can be reconnected to the connecting rod.

[0061] In some embodiments, see Figure 4 , Figure 5 The two ends of the adjusting screw 416 are connected to the eccentric wheel 405 via the adjusting screw bearing unit 407, and a locking nut 417 is threaded onto the adjusting screw 416. The adjusting screw bearing unit 407 includes a bearing housing and a bearing installed therein. The bearing housing is connected to the eccentric wheel 405, and the bearing is connected to the adjusting screw 416.

[0062] When it is necessary to adjust the position of the movable block 406 on the adjusting screw 416, first loosen the locking nut 417 to control the rotation of the adjusting screw 416 to adjust the position of the movable block 406. After adjustment, tighten the locking nut 417 to make it tightly contact the adjusting screw bearing unit 407 to lock the adjusting screw 416 and prevent it from rotating during walnut harvesting. This adjustment method does not require dismantling the connection structure between the movable block 406 and the connecting rod, making it simple to operate and more efficient.

[0063] In some embodiments, see Figure 4 , Figure 5 , Figure 6 , Figure 7The connecting rod includes a first connecting rod 410, a second connecting rod 411 slidably connected to the first connecting rod 410, and a locking bolt 415 for locking the first connecting rod 410 and the second connecting rod 411; one end of the first connecting rod 410 is hinged to the eccentric wheel 405, and one end of the second connecting rod 411 is hinged to one end of the drag arm 412.

[0064] In use, the length of the entire connecting rod can be adjusted by controlling the relative sliding of the first connecting rod 410 and the second connecting rod 411. The first connecting rod 410 and the second connecting rod 411 can be locked by the locking bolt 415, thereby keeping the connecting rod at the adjusted length. By adjusting the length of the connecting rod, the reciprocating distance of the towing arm 412 can be adjusted, thereby controlling the shaking force of the traction rope 613 on the walnut tree to adapt to walnut trees of different sizes and maturity levels.

[0065] For example, the first connecting rod 410 is a tubular structure, and the second connecting rod 411 is slidably fitted into the inner cavity of the first connecting rod 410. The wall of the first connecting rod 410 is provided with an elongated groove extending along its axial direction for the locking bolt 415 to pass through. The second connecting rod 411 is provided with an internally threaded hole that is threadedly connected to the locking bolt 415. In use, loosening the locking bolt 415 can control the sliding of the second connecting rod 411 relative to the first connecting rod 410 to adjust the length of the connecting rod; tightening the locking bolt 415 can lock the first connecting rod 410 and the second connecting rod 411.

[0066] In some embodiments, one end of the first link 410 is hinged to the movable block 406; this allows for two adjustment methods to change the reciprocating frequency and distance of the drag arm 412, thereby controlling the shaking force of the traction rope 613 on the walnut tree to adapt to walnut trees of different sizes and maturity.

[0067] For example, see Figure 7 One end of the first connecting rod 410 is rotatably connected to the movable block 406 via a bearing, and the connection point between the two is connected by the movable block bearing cover bolt 409 to the movable block bearing cover 408 for protecting the bearing; one end of the second connecting rod 411 is rotatably connected to the towing arm 412 via a bearing, and the connection point between the two is connected by the towing arm bearing cover bolt 413 to the towing arm bearing cover 414 for protecting the bearing.

[0068] In some embodiments, the guide portion 5 includes a guide seat connected to the mounting portion 3, and the guide seat is provided with a guide hole through which the towing arm 412 passes. The guide hole limits and guides the towing arm 412, ensuring that the towing arm 412 can only reciprocate along its own axial direction, thus improving the reliability of the towing arm 412's movement. To reduce the frictional force of the towing arm 412 during reciprocating movement, the guide portion 5 also includes a guide wheel disposed around the guide hole and in rolling engagement with the towing arm 412.

[0069] For example, see Figure 8 , Figure 9 , Figure 10 The guide seat includes an upper beam 501, an upper beam bolt 502, an upper beam nut 503, a side support rod 504, a side support rod bolt 505, a side beam 506, a side support rod nut 507, a lower beam 508, a lower beam bolt 509, a lower connecting plate 510, a grooved wheel seat 511, a grooved wheel 512, a side wheel bolt 513, a side wheel 514, a side wheel nut 515, a grooved wheel seat bolt 516, and a lower beam nut 519.

[0070] The upper beam 501 is horizontally positioned, and a lower beam 508 parallel to it is positioned below the upper beam 501. The upper beam 501 and the lower beam 508 are connected on both sides by a connector consisting of two side support rods 504 and a side beam 506, respectively. The upper end of the side support rod 504 is connected to the upper beam 501 by a fastener consisting of an upper beam bolt 502 and an upper beam nut 503, and the lower end of the side support rod 504 is connected to the lower beam 508 by a fastener consisting of a lower beam bolt 509 and a lower beam nut 519. The two ends of the side beam 506 are connected to the two side support rods 504 by fasteners consisting of side support rod bolts 505 and side support rod nuts 507, respectively. The middle connection is as follows: the bottom of the upper beam 501 is fixed with two grooved wheel seats 511 by grooved wheel seat bolts 516, and the top of the lower beam 508 is fixed with two grooved wheel seats 511 by grooved wheel seat bolts 516. Grooved wheels 512 are rotatably mounted on each of the four grooved wheel seats 511; the inner sides of the two side beams 506 are respectively rotatably mounted with side wheels 514 by fasteners consisting of side wheel bolts 513 and side wheel nuts 515. Guide holes for guiding the towing arm 412 are formed between the four grooved wheels 512 and the two side wheels 514; the lower connecting plate 510 is welded to the bottom of the lower beam 508 and fixed to the mounting bracket 308 by bolts.

[0071] After the drag arm 412 passes through the guide hole, it gets stuck in the groove of the grooved wheel 512 and rolls with the grooved wheel 512 and the side wheel 514. The four grooved wheels 512 limit the drag arm 412 in the vertical direction, and the two side wheels 514 limit the drag arm 412 in the horizontal direction, so that the drag arm 412 reciprocates linearly along its own axis.

[0072] In some embodiments, see Figure 11 , Figure 12 , Figure 13 The traction unit 6 also includes a winch base 614, a winch 612, and a locking mechanism; the winch base 614 is connected to the towing arm 412, the winch 612 is rotatably connected to the winch base 614, the locking mechanism is disposed between the winch 612 and the winch base 614 and is used to lock the winch 612, and the traction rope 613 is wound around the winch 612, and one end of the rope is connected to the winch 612.

[0073] During operation, first release the locking mechanism, rotate the winch 612 to release the traction rope 613. After the traction rope 613 is connected to the walnut tree, control the winch 612 to rotate in the opposite direction to wind the traction rope 613 onto the winch 612. After the traction rope 613 is tightened, lock the winch 612 through the locking mechanism. Then, drive the towing arm 412 to move back and forth through the power take-off shaft of the tractor 1. The towing arm 412 drives the walnut tree to sway through the traction rope 613 to achieve walnut harvesting.

[0074] For example, the traction unit 6 also includes a winch seat connecting plate 601, a winch gear cover 602, a first winch shaft bearing 603, a winch gear 604, a gear shaft bearing 605, a gear shaft nut 606, a winch gear shaft 607, a crank screw 608, a crank handle 609, a winch crank handle 610, a second winch shaft bearing 615, a winch shaft 616, and a gear cover bolt 618. The winch base connecting plate 601 includes two parallel plates. One end of the winch base connecting plate 601 is welded to the tail of the winch base 614, and the other end is used to fix it to the towing arm 412 by bolts. The winch gear cover 602 is fixed to one side of the winch base 614 by gear cover bolts 618, and two meshing winch gears 604 are arranged in the space between them. The two winch gears 604 are respectively fixed to the winch gear shaft 607 and the winch shaft 616. The two ends of the winch gear shaft 607 are respectively connected to the winch base 614 and the winch gear cover 602 by gear shaft bearings 605, so that the winch gear shaft 607 can rotate around its own axis. The winch shaft nut 606 is located on the outside of the winch gear cover 602 and threaded to one end of the winch gear shaft 607. One end of the winch handle 610 is connected to the winch gear shaft 607 and is located between the winch gear cover 602 and the gear shaft nut 606. The handle 609 is connected to the other end of the winch handle 610 by the handle screw 608. The two ends of the winch shaft 616 are connected to the winch seat 614 by the first winch shaft bearing 603 and the second winch shaft bearing 615, respectively, so that the winch shaft 616 can rotate around its own axis. The winch 612 is fixed on the winch shaft 616. One end of the traction rope 613 is connected to the winch 612 by a screw and wound around the winch 612. During operation, the worker holds the crank handle 609 and drives the winch gear shaft 607 to rotate through the winch crank handle 610. The winch gear shaft 607 drives the winch shaft 616 through the meshing transmission of two winch gears 604. The winch shaft 616 then drives the winch 612 to rotate, so as to wind up or release the traction rope 613.

[0075] The locking mechanism includes a pin, which is positioned parallel to the winch shaft 616. The winch base 614 has a positioning hole through which the pin passes, and the winch 612 has multiple adjustment holes evenly distributed around its circumference. To lock the winch 612, simply insert the pin into the positioning hole and the corresponding adjustment hole. To unlock the winch 612, simply pull the pin out of the positioning hole and the corresponding adjustment hole.

[0076] In some embodiments, see Figure 11 The locking mechanism includes a self-locking rack 617 and a return spring 611. The self-locking rack 617 is rotatably connected to the winch base 614 via a pin, so that the self-locking rack 617 can rotate around the pin. One end of the self-locking rack 617 is connected to the winch base 614 via the return spring 611, which provides a reset force to engage and lock the self-locking rack 617 with one of the winch gears 604. The other end of the self-locking rack 617 is provided with a handle. During operation, the worker holds the handle and controls the self-locking rack 617 to rotate around the pin and move away from the winch gear 604. When the self-locking rack 617 separates from the winch gear 604, the winch is unlocked and can then be controlled to rotate. When the worker releases the handle, the return spring 611 provides a reset force to drive the self-locking rack 617 to rotate around the pin and move closer to the winch gear 604, thereby engaging and locking the self-locking rack 617 with the winch gear 604, thus preventing the winch 612 from rotating.

[0077] The above description is merely a preferred embodiment of this application and is not intended to limit this application in any way. Any simple modifications, equivalent substitutions, and improvements made to the above embodiments based on the technical essence of this application and within the spirit and principles of this application shall still fall within the protection scope of the technical solution of this application.

Claims

1. A walnut harvesting device for mountainous areas, characterized in that, The device includes a tractor (1) and a towing device (2). The towing device (2) includes a mounting part (3), a transmission part (4), a guide part (5) and a traction part (6). The transmission part (4) includes a transmission assembly and a towing arm (412). The traction part (6) includes a towing rope (613). The mounting part (3) is connected to the tractor (1), the guide part (5) is connected to the mounting part (3), the towing arm (412) is slidably connected to the guide part (5), the power output shaft of the tractor (1) is connected to one end of the towing arm (412) through the transmission assembly and is used to drive the towing arm (412) to reciprocate along its own axis, and the other end of the towing arm (412) is connected to the traction rope (613).

2. The walnut harvesting equipment for mountainous areas according to claim 1, characterized in that, The mounting part (3) includes a tie rod assembly and a mounting bracket (308), the mounting bracket (308) being connected to the tractor (1) via the tie rod assembly, and the guide part (5) being connected to the mounting bracket (308).

3. The walnut harvesting equipment for mountainous areas according to claim 1, characterized in that, The transmission assembly includes a gearbox (419), an eccentric wheel (405), and a connecting rod; the gearbox (419) is connected to the mounting part (3), the input shaft of the gearbox (419) is connected to the power output shaft of the tractor (1), the output shaft of the gearbox (419) is connected to the eccentric wheel (405), the eccentric wheel (405) is hinged to one end of the connecting rod, and the other end of the connecting rod is hinged to the towing arm (412).

4. The walnut harvesting equipment for mountainous areas according to claim 3, characterized in that, The input shaft of the gearbox (419) is connected to the power output shaft of the tractor (1) via a belt drive mechanism.

5. The walnut harvesting equipment for mountainous areas according to claim 3, characterized in that, The eccentric wheel (405) is hinged to one end of the connecting rod via an adjusting assembly; the adjusting assembly includes an adjusting screw (416) and a movable block (406); the adjusting screw (416) is arranged perpendicular to the axial direction of the eccentric wheel (405) and its two ends are respectively connected to the eccentric wheel (405); the movable block (406) is threadedly connected to the adjusting screw (416); and one end of the connecting rod is hinged to the movable block (406).

6. The walnut harvesting equipment for mountainous areas according to claim 5, characterized in that, The two ends of the adjusting screw (416) are respectively connected to the eccentric wheel (405) through the adjusting screw bearing unit (407), and a locking nut (417) is also threaded onto the adjusting screw (416).

7. The walnut harvesting equipment for mountainous areas according to claim 3, characterized in that, The connecting rod includes a first connecting rod (410), a second connecting rod (411) slidably connected to the first connecting rod (410), and a locking bolt (415) for locking the first connecting rod (410) and the second connecting rod (411); one end of the first connecting rod (410) is hinged to the eccentric wheel (405), and one end of the second connecting rod (411) is hinged to one end of the drag arm (412).

8. The walnut harvesting equipment for mountainous areas according to claim 1, characterized in that, The guide part (5) includes a guide seat connected to the mounting part (3), and the guide seat is provided with a guide hole, through which the drag arm (412) passes.

9. The walnut harvesting equipment for mountainous areas according to claim 8, characterized in that, The guide portion (5) also includes a guide wheel disposed around the guide hole and in rolling cooperation with the drag arm (412).

10. The walnut harvesting equipment for mountainous areas according to claim 1, characterized in that, The traction unit (6) further includes a winch seat (614), a winch (612), and a locking mechanism; the winch seat (614) is connected to the towing arm (412), the winch (612) is rotatably connected to the winch seat (614), the locking mechanism is disposed between the winch (612) and the winch seat (614) and is used to lock the winch (612), and the traction rope (613) is wound around the winch (612) and one end of it is connected to the winch (612).

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