Deep-rooted medicinal herb harvester

Abstract

This invention discloses a harvester for deep-rooted medicinal herbs. The device includes: a frame; a digging device located at the bottom front end of the frame; a feeding device located inside the frame, with the feeding end corresponding to the digging device; a screening device located inside the frame, at the rear end of the feeding device; a power transmission system located on the frame, transmitting power sequentially to the feeding device and the screening device; and two ground wheels located on both sides of the rear end of the frame. The feeding device includes: a primary feeding roller, laterally positioned inside the frame and located at the rear end of the digging device; and a secondary feeding roller, laterally positioned inside the frame and located at the rear end of the primary feeding roller. The secondary feeding roller is connected to the primary feeding roller via a transmission assembly.

Description

Technical Field

[0001] This invention relates to the field of Chinese medicinal herb harvesting equipment, and particularly to a harvester for deep-rooted Chinese medicinal herbs. Background Technology

[0002] With the booming development of my country's Chinese medicinal herb market, the demand for Chinese medicinal herbs is also increasing. Currently, the planting area of ​​Chinese medicinal herbs exceeds 20 million mu, and the planting area of ​​deep-rooted medicinal herbs is about 50% of the total area. In order to improve harvesting efficiency, many deep-rooted medicinal herb harvesters have appeared on the market. However, the current harvesting equipment has a very low efficiency in conveying the herbs and soil after digging, which cannot adapt to large-scale harvesting of medicinal herbs and seriously affects the efficiency of operation. Summary of the Invention

[0003] To address the aforementioned technical problems, this invention provides a harvester for deep-rooted medicinal herbs.

[0004] To achieve the above objectives, the technical solution of the present invention is as follows:

[0005] Harvesters for deep-rooted medicinal herbs, including:

[0006] frame;

[0007] The excavation device is located at the bottom of the front end of the frame;

[0008] The feeding device is located inside the frame, with the feeding end corresponding to the excavation device;

[0009] The screening device is installed inside the frame and located at the rear end of the feeding device;

[0010] The power transmission system, mounted on the frame, transmits power sequentially to the feeding device and the screening device.

[0011] Two ground wheels are respectively located on both sides of the rear of the frame;

[0012] The feeding device includes:

[0013] The primary feeding roller is horizontally positioned inside the frame and located at the rear end of the excavating device;

[0014] The secondary feeding roller is horizontally arranged inside the frame and located at the rear end of the primary feeding roller. The secondary feeding roller is connected to the primary feeding roller through a transmission assembly.

[0015] The third-stage feeding roller is arranged laterally inside the frame and located at the rear end of the second-stage feeding roller. The third-stage feeding roller is connected to the second-stage feeding roller through a transmission assembly.

[0016] The fourth-stage feeding roller is horizontally arranged inside the frame and located at the rear end of the third-stage feeding roller. The fourth-stage feeding roller is connected to the third-stage feeding roller through a transmission assembly.

[0017] The fifth-stage feeding roller is horizontally arranged inside the frame and located at the rear end of the fourth-stage feeding roller;

[0018] The sixth-stage feeding roller is horizontally arranged inside the frame and located at the rear end of the fifth-stage feeding roller. The sixth-stage feeding roller and the fifth-stage feeding roller are connected by a transmission assembly.

[0019] The sixth-stage feeding roller and the fourth-stage feeding roller are connected to the power transmission system, which enables the sixth-stage feeding roller to drive the fifth-stage feeding roller to rotate, and the fourth-stage feeding roller to transmit power to the third-stage feeding roller.

[0020] All of the transmission components are small sprocket transmission components.

[0021] The invention also includes two vertically arranged soil-removing rollers, which are respectively arranged on both sides of the front end of the frame, and their tops are respectively connected to the power transmission system through bevel gear assemblies.

[0022] The invention also includes a feeding roller, which is arranged laterally inside the frame and located above the sixth feeding roller, for accelerating the feeding of materials into the screening device.

[0023] The feeding roller includes:

[0024] The rotating shaft connects to the power transmission system.

[0025] Several triangular rotating plates are evenly installed on the rotating shaft, and the three corners of two adjacent triangular rotating plates are staggered.

[0026] Three rotating rods are inserted sequentially at the three corners of several triangular rotating plates;

[0027] Since the three corners of two adjacent triangular rotating plates are staggered, the three rotating rods are arranged in a spiral shape.

[0028] The invention also includes a traction device disposed at the front end of the frame.

[0029] The traction device includes:

[0030] Front crossbeam;

[0031] Two front ramps, the tops of which are connected to both ends of the front crossbeam;

[0032] The two side panels are connected to the bottom of the two front ramps at their front ends, respectively.

[0033] Two rear ramps are set behind the two front ramps, and their tops are connected to the front crossbeam via a top plate.

[0034] The rear crossbeam is connected at both ends to the bottom of the two rear inclined plates and the rear end of the two side plates, respectively.

[0035] Both front inclined plates are equipped with front connecting lugs; both ends of the rear crossbeam are equipped with rear connecting lugs; the rear crossbeam is rotatably mounted at the front end of the frame, and the rear connecting lugs are connected to the frame via traction drive cylinders, so that the traction drive cylinders can drive the rear crossbeam to rotate when they extend or retract.

[0036] The screening device includes:

[0037] The primary screen assembly is inclinedly positioned at the rear end of the sixth-stage feeding roller;

[0038] The secondary screen assembly is inclinedly positioned at the rear end of the primary screen assembly;

[0039] The power input ends of the primary screen assembly and the secondary screen assembly are respectively connected to the power transmission system; the tilt angle of the primary screen assembly is greater than that of the secondary screen assembly.

[0040] The primary screen assembly and the secondary screen assembly have the same structure, and the secondary screen assembly includes:

[0041] The screen drive shaft and the screen driven shaft are connected to the power transmission system.

[0042] The rubber mesh sleeve is fitted onto the screen drive shaft and the screen driven shaft, so that the screen drive shaft and the screen driven shaft can drive the rubber mesh sleeve to rotate. A plastic chain is set in the middle of the rubber mesh sleeve, which can mesh with the gears on the screen drive shaft and the screen driven shaft, thereby improving the structural stability of the rubber mesh sleeve.

[0043] The invention also includes a flexible soil crushing roller, which is laterally arranged at the tail of the primary screen assembly for crushing large soil clods on the primary screen assembly, and the flexible soil crushing roller is connected to the power transmission system.

[0044] The power transmission system includes:

[0045] The gearbox is located at the front of the frame, and its power input shaft is connected to the power source.

[0046] The first drive shaft has one end connected to the power output end of the gearbox via the first sprocket assembly, and the other end connected to the main shafts of the sixth-stage and fourth-stage feeding rollers, as well as the power input ends of the first-stage and second-stage screen assemblies via the second and third sprocket assemblies respectively.

[0047] The second drive shaft is connected to the first drive shaft via a gear set, and its power output end is connected to the main shaft and rotating shaft of the flexible soil crushing roller via the fourth sprocket assembly.

[0048] The third drive shaft is connected to the first drive shaft via the fifth sprocket assembly, and its two ends are connected to the two soil-removing rollers via bevel gear assemblies.

[0049] It also includes several limiting gears, which are set on the side wall of the frame and cooperate with the second sprocket assembly to facilitate the installation and removal of the chain of the second sprocket assembly.

[0050] The beneficial effects of this invention are:

[0051] 1. The feeding device of the present invention adopts a six-stage roller feeding system, which greatly improves the conveying efficiency of medicine and soil after excavation. At the same time, the use of the feeding roller solves the problem of soil accumulation after excavation and improves the working efficiency of the machine.

[0052] 2. The traction device of the present invention can adjust the digging depth according to the different requirements of different medicinal materials or different agronomic practices of the same medicinal material. During digging, the entire device can be rotated by the traction drive cylinder.

[0053] 3. The screening device of the present invention consists of a primary screen assembly and a secondary screen assembly. The angle formed between the primary screen assembly and the ground is greater than that of the secondary screen assembly. The screen uses a rubber mesh sleeve, which not only reduces damage to the medicinal materials, but also prevents the medicinal materials from falling off the screen and being buried due to the small mesh size of the rubber mesh sleeve.

[0054] 4. In order to break up larger soil clods on the primary screen assembly, a soil-breaking roller is added. To solve the problem of clogging between the primary screen assembly and the soil-breaking roller, the soil-breaking roller is designed as a flexible soil-breaking roller. The flexible soil-breaking roller can adjust its height according to the amount of medicinal materials and soil clods conveyed by the primary screen assembly, and can further break up the soil clods without clogging. Attached Figure Description

[0055] Figure 1 This is a perspective view of the present invention.

[0056] Figure 2 This is a side view of the present invention.

[0057] Figure 3 This is a top view of the present invention.

[0058] Figure 4 This is a schematic diagram of the material feeding roller of the present invention.

[0059] Figure 5 This is a schematic diagram of the traction device of the present invention.

[0060] Figure 6 This is a side view of the traction device of the present invention.

[0061] Figure 7 This is a schematic diagram of the structure of the secondary screen assembly of the present invention. Detailed Implementation

[0062] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to specific embodiments and the accompanying drawings. It should be understood that these descriptions are merely exemplary and not intended to limit the scope of the invention. Furthermore, descriptions of well-known structures and techniques are omitted in the following description to avoid unnecessarily obscuring the concept of the invention.

[0063] like Figures 1 to 3 As shown, a deep-rooted medicinal herb harvester includes: a frame 17; a digging device 1, located at the front bottom of the frame 17; a feeding device, located inside the frame 17, with its feed end corresponding to the digging device 1; a screening device, located inside the frame 17, at the rear end of the feeding device; a power transmission system, located on the frame 17, sequentially transmitting power to the feeding device and the screening device; and two ground wheels 11, respectively located on both sides of the rear end of the frame 17. The feeding device includes: a primary feeding roller 2, laterally positioned inside the frame 17 and located at the rear end of the digging device 1; a secondary feeding roller 3, laterally positioned inside the frame 17 and located at the rear end of the primary feeding roller 2, the secondary feeding roller 3 being connected to the primary feeding roller 2 via a transmission assembly; and a tertiary feeding roller 4, laterally positioned inside the frame 17 and located at the rear end of the secondary feeding roller 1. The rear end of the feed roller 3 is connected to the third-stage feed roller 4 and the second-stage feed roller 3 via a transmission assembly; the fourth-stage feed roller 16 is laterally arranged within the frame 17 and located at the rear end of the third-stage feed roller 4, and is connected to the third-stage feed roller 4 via a transmission assembly; the fifth-stage feed roller 15 is laterally arranged within the frame 17 and located at the rear end of the fourth-stage feed roller 16; the sixth-stage feed roller 14 is laterally arranged within the frame 17 and located at the rear end of the fifth-stage feed roller 15, and is connected to the fifth-stage feed roller 15 via a transmission assembly; wherein, the sixth-stage feed roller 14 and the fourth-stage feed roller 16 are both connected to the power transmission system, so that the sixth-stage feed roller 14 can drive the fifth-stage feed roller 15 to rotate, and the fourth-stage feed roller 16 can transmit power to the third-stage feed roller 4, and the transmission assembly is a small sprocket transmission assembly.

[0064] like Figure 1 and Figure 2 As shown, the present invention also includes two vertically arranged soil-removing rollers 5, which are respectively arranged on both sides of the front end of the frame 17, and their tops are respectively connected to the power transmission system through bevel gear assemblies 22.

[0065] like Figure 2 and Figure 3 As shown, the present invention also includes a feeding roller 13, which is arranged laterally in the frame 17 and located above the sixth feeding roller 14, for accelerating the feeding of materials into the screening device.

[0066] like Figure 4As shown, the feeding roller 13 includes: a rotating shaft 133 connected to a power transmission system; several triangular rotating plates 132 evenly installed on the rotating shaft 133, with the three corners of two adjacent triangular rotating plates 132 staggered from each other; and three rotating rods 131 sequentially inserted at the three corners of the several triangular rotating plates 132; wherein, since the three corners of two adjacent triangular rotating plates 132 are staggered from each other, the three rotating rods 131 are respectively arranged in a spiral shape.

[0067] like Figures 1 to 3 As shown, the present invention also includes a traction device 7, which is disposed at the front end of the frame 17.

[0068] like Figure 5 and Figure 6 As shown, the traction device 7 includes: a front crossbeam 77; two front inclined plates 72, the tops of which are respectively connected to both ends of the front crossbeam 77; two side plates 71, the front ends of which are respectively connected to the bottoms of the two front inclined plates 72; two rear inclined plates 75, which are disposed at the rear of the two front inclined plates 72, and their tops are connected to the front crossbeam 77 through a top plate 74; and a rear crossbeam 78, the two ends of which are respectively connected to the bottoms of the two rear inclined plates 75 and the rear ends of the two side plates 71; wherein, each of the two front inclined plates 72 is provided with a front connecting ear plate 73; and the rear crossbeam 78 is provided with a rear connecting ear plate 76 at both ends; the rear crossbeam 78 is rotatably mounted on the front end of the frame 17, and the rear connecting ear plate 76 is connected to the frame 17 through a traction drive cylinder 8, so that the traction drive cylinder 8 can drive the rear crossbeam 78 to rotate when it extends or retracts.

[0069] like Figures 1 to 3 and Figure 7 As shown, the screening device includes: a primary screen assembly 12, inclinedly disposed at the rear end of the sixth-stage feeding roller 14; and a secondary screen assembly 10, inclinedly disposed at the rear end of the primary screen assembly 12. The power input ends of the primary screen assembly 12 and the secondary screen assembly 10 are respectively connected to a power transmission system. The inclination angle of the primary screen assembly 12 is greater than that of the secondary screen assembly 10. The primary screen assembly 12 and the secondary screen assembly 10 have identical structures. The secondary screen assembly 10 includes: a screen drive shaft 101. The screen driven shaft 101 is connected to the power transmission system, along with the screen driven shaft 104. A rubber mesh sleeve 102 is fitted onto the screen driven shaft 101 and the screen driven shaft 104, so that when the screen driven shaft 101 and the screen driven shaft 104 rotate, the rubber mesh sleeve 102 can be driven to rotate. A plastic chain 103 is provided at the middle position of the rubber mesh sleeve 102, which can mesh with the gears on the screen driven shaft 101 and the screen driven shaft 104, thereby improving the structural stability of the rubber mesh sleeve 102.

[0070] like Figures 1 to 3As shown, the present invention also includes a flexible soil crushing roller 9, which is laterally arranged at the tail of the primary screen assembly 12 for crushing large soil clods on the primary screen assembly 12, and the flexible soil crushing roller 9 is connected to the power transmission system.

[0071] like Figures 1 to 3 As shown, the power transmission system includes: a gearbox 6, located at the front end of the frame 17, with its power input shaft connected to a power source; a first drive shaft 18, one end of which is connected to the power output end of the gearbox 6 via a first sprocket assembly 23, and the other end is connected to the main shafts of the sixth-stage feeding roller 14 and the fourth-stage feeding roller 16, as well as the power input ends of the first-stage screen assembly 12 and the second-stage screen assembly 10, via second sprocket assemblies 25 and 27 respectively; a second drive shaft 19, connected to the first drive shaft 18 via a gear set 21, with its power output end connected to the main shaft and rotating shaft 133 of the flexible soil-crushing roller 9 via a fourth sprocket assembly 28 respectively; a third drive shaft 20, connected to the first drive shaft 18 via a fifth sprocket assembly 24, with both ends connected to two soil-dispensing rollers 5 via bevel gear assemblies 22 respectively; and several limiting gears 26, located on the side wall of the frame 17, engaging with the second sprocket assembly 25 to facilitate the installation and removal of the chain of the second sprocket assembly 25.

[0072] In use, the front connecting ear plate 73 and the front end of the side plate 71 are connected to the traction device. According to actual needs, the traction drive cylinder 8 is used to rotate the entire traction device up and down to adjust the digging depth. Then, the power input shaft of the gearbox is connected to the power source. The traction device then moves the device into the work area to begin operation. After the digging device 1 excavates the medicinal materials, they are sequentially and rapidly pushed towards the rear end of the frame 17 by a series of feeding rollers arranged from front to back and upwards: the first-stage feeding roller 2, the second-stage feeding roller 3, the third-stage feeding roller 4, the fourth-stage feeding roller 16, the fifth-stage feeding roller 15, and the sixth-stage feeding roller 14. Because there are gaps between each feeding roller, small clods of soil are quickly separated, greatly improving the efficiency of conveying the excavated medicinal materials and soil. In conjunction with the use of the feeding roller 13, the rotating feeding roller 13 can quickly push the medicinal materials at the sixth-stage feeding roller 14 backward, solving the problem of soil accumulation after the excavation shovel and improving the working efficiency of the machine. Afterward, the material falls onto the first-stage screen assembly 12, and then falls onto the second-stage screen assembly 10 as the first-stage screen assembly 12 rotates. After being screened by the two screens, the medicinal materials and soil residue are separated. During this process, the flexible soil crushing roller 9 set at the rear end of the first-stage screen assembly 12 will crush the larger soil clods on the first-stage screen assembly 10. Due to the flexible material design of the flexible soil crushing roller, it can deform and adjust its height according to the amount of medicinal materials and soil clods conveyed by the first-stage screen assembly, and can further crush the soil clods without causing congestion.

[0073] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A deep-rooted rhizome Chinese herbal medicine harvesting machine, characterized in that, The utility model relates to a kind of excavator, including: Frame (17); Excavating device (1) is arranged at the bottom of the front end of frame (17); Feeding device is arranged in frame (17), and feeding end corresponds with excavating device (1); Screening device is arranged in frame (17), and located at the rear end of feeding device; Power transmission system is arranged on frame (17), and power is sequentially transmitted to feeding device and screening device; Two ground wheels (11) are arranged at the tail of frame (17) respectively; Wherein, the feeding device includes: Primary feeding roller (2) is transversely arranged in frame (17), and located at the rear end of excavating device (1); Secondary feeding roller (3) is transversely arranged in frame (17), and located at the rear end of primary feeding roller (2), and secondary feeding roller (3) is connected by transmission assembly between primary feeding roller (2); Tertiary feeding roller (4) is transversely arranged in frame (17), and located at the rear end of secondary feeding roller (3), and tertiary feeding roller (4) is connected by transmission assembly between secondary feeding roller (3); Quaternary feeding roller (16) is transversely arranged in frame (17), and located at the rear end of tertiary feeding roller (4), and quaternary feeding roller (16) is connected by transmission assembly between tertiary feeding roller (4); Quinary feeding roller (15) is transversely arranged in frame (17), and located at the rear end of quaternary feeding roller (16); Sixth feeding roller (14) is transversely arranged in frame (17), and located at the rear end of quinary feeding roller (15), and sixth feeding roller (14) is connected by transmission assembly between quinary feeding roller (15); Wherein, sixth feeding roller (14) and quaternary feeding roller (16) are jointly connected in power transmission system, so that sixth feeding roller (14) can drive quinary feeding roller (15) to rotate, and quaternary feeding roller (16) can transmit power to tertiary feeding roller (4); Still include two vertical setting dozers (5), and are arranged at the front end of frame (17) respectively, and top is connected with power transmission system by bevel gear assembly (22) respectively; Still include material pushing roller (13), and is transversely arranged in frame (17), and located at the upper portion of sixth feeding roller (14), for accelerating material to be sent into screening device; The material pushing roller (13) includes: Shaft (133) is connected with power transmission system; A plurality of triangular rotating plates (132) are evenly installed on the shaft (133), and the three angles of adjacent two triangular rotating plates (132) are staggered; Three rotating rods (131) are inserted in the three angles of a plurality of triangular rotating plates (132) in turn; Wherein, since the three angles of adjacent two triangular rotating plates (132) are staggered, the three rotating rods (131) are arranged in helix respectively; Still include traction device (7), and is arranged at the front end of frame (17); The traction device (7) includes: Front crossbeam (77); Two front inclined plates (72) are connected with the top of the two ends of front crossbeam (77) respectively; Two side plates (71) are connected with the bottom of two front inclined plates (72) respectively at front end; Two rear inclined plates (75) are arranged behind the two front inclined plates (72), and the top of the two rear inclined plates (75) is connected with the front cross beam (77) through the top plate (74); The rear cross beam (78) is connected with the bottom of the two rear inclined plates (75) and the rear end of the two side plates (71) at two ends, respectively; The front connecting lug plate (73) is arranged on each of the two front inclined plates (72); the rear connecting lug plate (76) is arranged at two ends of the rear cross beam (78); the rear cross beam (78) is rotatably arranged at the front end of the rack (17), and the rear connecting lug plate (76) is connected with the rack (17) through the traction drive oil cylinder (8), so that the traction drive oil cylinder (8) can drive the rear cross beam (78) to rotate when the traction drive oil cylinder (8) is extended or retracted; The screening device comprises: A first-level screen assembly (12) is arranged at the rear end of the six-stage feeding roller (14) in an inclined manner; A second-level screen assembly (10) is arranged at the rear end of the first-level screen assembly (12) in an inclined manner; The power input ends of the first-level screen assembly (12) and the second-level screen assembly (10) are connected with the power transmission system, respectively; and the inclination angle of the first-level screen assembly (12) is greater than that of the second-level screen assembly (10); The first-level screen assembly (12) and the second-level screen assembly (10) are identical in structure, and the second-level screen assembly (10) comprises: A screen driving shaft (101) and a screen driven shaft (104) are connected with the power transmission system; A rubber mesh sleeve (102) is sleeved on the screen driving shaft (101) and the screen driven shaft (104), so that the screen driving shaft (101) and the screen driven shaft (104) can drive the rubber mesh sleeve (102) to rotate when the screen driving shaft (101) and the screen driven shaft (104) rotate; and a plastic chain (103) is arranged at the middle position of the rubber mesh sleeve (102), the plastic chain (103) can be engaged with the gears on the screen driving shaft (101) and the screen driven shaft (104), and the structural stability of the rubber mesh sleeve (102) is improved.

2. The deep-rooted rhizome Chinese medicinal material harvesting machine according to claim 1, characterized in that: The transmission assemblies are all small sprocket transmission assemblies.

3. The deep-rooted rhizome Chinese medicinal material harvesting machine according to claim 1, characterized in that: A flexible soil crushing roller (9) is arranged at the tail of the first-level screen assembly (12) in a transverse manner, and is used for crushing large soil blocks on the first-level screen assembly (12); and the flexible soil crushing roller (9) is connected with the power transmission system.

4. The deep-rooted rhizome Chinese medicinal material harvesting machine according to claim 3, characterized in that: The power transmission system comprises: A gearbox (6) is arranged at the front end of the rack (17), and a power input shaft of the gearbox (6) is connected with a power source; A first transmission shaft (18) is connected with the power output end of the gearbox (6) through a first sprocket assembly (23) at one end, and is connected with the power input ends of the six-stage feeding roller (14) and the four-stage feeding roller (16) and the first-level screen assembly (12) and the second-level screen assembly (10) through a second sprocket assembly (25) and a third sprocket assembly (27) at the other end, respectively; A second transmission shaft (19) is connected with the first transmission shaft (18) through a gear set (21), and a power output end of the second transmission shaft (19) is connected with the main shaft and the rotating shaft (133) of the flexible soil crushing roller (9) through a fourth sprocket assembly (28). The third transmission shaft (20) is connected with the first transmission shaft (18) through the fifth sprocket assembly (24), and the two ends of the third transmission shaft (20) are connected with the two dozers (5) through the bevel gear assemblies (22) respectively; The second sprocket assembly (25) is connected with the third transmission shaft (20) through the fourth sprocket assembly (23), and the second sprocket assembly (25) is connected with the first transmission shaft (18) through the fifth sprocket assembly (24). The third transmission shaft (20) is connected with the first transmission shaft (18) through the fifth sprocket assembly (24), and the two ends of the third transmission shaft (20) are connected with the two dozers (5) through the bevel gear assemblies (22) respectively; The second sprocket assembly (25) is connected with the third transmission shaft (20) through the fourth sprocket assembly (23), and the second sprocket assembly (25) is connected with the first transmission shaft (18) through the

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