Lily low-loss harvester capable of realizing flexible separation

Abstract

The invention belongs to the technical field of agricultural harvesting devices, and particularly relates to a lily low-loss harvester capable of realizing flexible separation, which comprises a harvesting shell, a lily harvesting assembly and a chain tightness adjusting assembly, two limiting rings are fixedly mounted on the front surface of the harvesting shell, a supporting plate is fixedly mounted at the upper end of the harvesting shell, and a gear shell is arranged at the upper end of the supporting plate; a stroke groove is formed in one side of the harvesting shell. When a connecting disc rotates, a transmission rod is driven to rotate, then a first chain wheel and a first chain are driven to rotate through the transmission rod, a second chain wheel and a first rotating rod are driven to rotate through the first chain, then a third chain wheel is driven to rotate through the first rotating rod, and a second chain is driven to rotate through the third chain wheel; and the harvesting conveyor belt is driven to rotate through the second chain, so that the effect of stably and continuously conveying the loosened lily tubers from the soil upwards after digging is achieved.

Description

Technical Field

[0001] This invention belongs to the field of agricultural harvesting equipment technology, specifically a low-damage lily harvester that can achieve flexible separation. Background Technology

[0002] As an important economic crop and ornamental flower, the bulb of the lily is rich in nutrients and is widely used in food processing, medicine and horticulture. With the expansion of lily planting area and the advancement of industrialization, mechanized harvesting has become a key link to improve production efficiency and reduce labor costs. Therefore, this paper proposes a low-damage lily harvester that can achieve flexible separation.

[0003] However, in use, traditional rigid digging mechanisms cause mechanical damage to lily bulbs through direct collision and impact, making it impossible to smoothly and continuously transport the loosened lily tubers from the soil after digging. This results in a decline in commercial quality and storage value. Furthermore, the conveying method cannot smoothly and continuously transport the loosened lily tubers from the soil after digging, leading to discontinuous material transport, low efficiency, and a lack of flexibility. This makes it unsuitable for the low-loss harvesting requirements of easily damaged crops like lilies. Therefore, we provide a low-loss lily harvester that can achieve flexible separation. Summary of the Invention

[0004] To overcome the shortcomings of existing technologies and solve the problems of smoothly and continuously conveying the loosened lily tubers from the soil upwards, as well as the adjustable and controllable tension of the chain drive, a low-damage lily harvester capable of flexible separation is proposed.

[0005] The technical solution adopted by this invention to solve its technical problem is:

[0006] Low-loss lily harvesters capable of flexible separation include:

[0007] The harvesting shell has two limiting rings fixedly installed on its front side, a support plate fixedly installed on its upper end, a gear housing on the upper end of the support plate, a stroke groove on one side of the harvesting shell, two limiting frames fixedly installed on its back side, a first threaded hole on the back of the limiting frame, a fixing bolt threaded into the first threaded hole, a support rod threaded into the surface of the fixing bolt through a second threaded hole, a support leg fixedly installed at the lower end of the support rod, a fixing rod fixedly installed at the bottom of the inner side wall of the harvesting shell, and a shovel head fixedly installed on the front of the fixing rod, the shovel head having an arc-shaped wear-resistant structure and its digging end having rounded corners.

[0008] Preferred options also include:

[0009] A lily harvesting assembly, which is set within a limiting ring, is used for stable harvesting and flexible transport of lilies;

[0010] The lily harvesting component includes:

[0011] A transmission rod is set inside the limiting ring. A connecting plate is fixedly installed on the other side of the transmission rod. The end face of the connecting plate has evenly distributed connecting holes for connecting to an external power device. A first sprocket is fixedly installed at one end of the transmission rod. A first chain is meshed on the surface of the first sprocket. A second sprocket is meshed on the inner side wall of the first chain. The tooth profiles of the first sprocket and the second sprocket are adapted to each other, and the surface of the sprocket is treated with anti-rust and wear-resistant treatment.

[0012] Preferably, the second sprocket and one side of the first sprocket are connected to a protective shell by a bearing. One side of the protective shell is bolted to one side of the harvesting shell. The protective shell has a hollow structure and a lubricating oil groove is provided on its inner side.

[0013] Preferably, a first rotating rod is fixedly installed on the other side of the second sprocket, and a third sprocket is fixedly installed on both sides of the surface of the first rotating rod. The surface of the third sprocket is engaged with a second chain. The two third sprockets are symmetrically distributed and have an interference fit with the first rotating rod.

[0014] Preferably, a fourth sprocket is engaged with the inner wall of the second chain, and a second rotating rod is provided inside the fourth sprocket. The number of fourth sprockets matches that of the third sprocket, and the surface of the second rotating rod is chrome-plated.

[0015] Preferably, the two sides of the second rotating rod are set inside the harvesting shell by bearings, and the inner side wall of the second chain is connected to a harvesting conveyor belt. The harvesting conveyor belt has a flexible grid structure with a grid gap of -mm, and the surface of the conveyor belt is covered with an anti-slip and wear-resistant rubber layer.

[0016] Preferred options also include:

[0017] A chain tension adjustment component is disposed at the upper middle part of the harvesting shell and is used to adjust the tension of the chain.

[0018] The chain tension adjustment assembly also includes:

[0019] A circular groove is formed in the middle of the upper part of the harvest hull. A circular rod is set inside the circular groove. The circular rod is partially adapted to the circular groove. A turntable is fixedly installed at the upper end of the circular rod. The surface of the turntable is provided with anti-slip texture and positioning bolts are provided on the turntable.

[0020] Preferably, a lead screw is fixedly installed at the lower end of the round rod, one end of the lead screw is set in the stroke groove through a bearing, and a threaded block is threadedly connected to the surface of the lead screw through a threaded hole. The threaded block is partially adapted to the stroke groove, and a wear-resistant guide strip is provided on the inner side wall of the stroke groove.

[0021] Preferably, a support arm is fixedly installed on one side of the threaded block, and a roller is fixedly installed on one side of the support arm. The roller is in contact with the outer wall of the first chain, and the roller has a polyurethane coated structure.

[0022] Preferably, the inner wall of the harvesting shell is provided with a soil guide plate, which is located below the harvesting conveyor belt and has an inclined structure with an inclination angle of 30-45°; the support rod has a telescopic structure and its surface is provided with height scale lines.

[0023] The beneficial effects of this invention are:

[0024] This invention achieves low-damage digging and flexible separation and transportation of lily bulbs by setting up an arc-shaped rounded corner shovel head and a flexible grid-type harvesting conveyor belt. The arc structure and rounded corner design of the shovel head effectively reduce direct collisions with the lily bulbs during digging, while the flexible rubber layer and grid structure of the harvesting conveyor belt enable smooth separation of the lily tubers from the soil without any jamming during transportation. This reduces the breakage rate of lily bulbs to below 5%, significantly improving the commercial quality and storage value of lilies.

[0025] The lily harvesting component of this invention adopts a multi-stage sprocket and chain synchronous transmission structure. Two third sprockets are symmetrically distributed and drive two second chains to operate synchronously, ensuring the smooth transmission of the harvesting conveyor belt and realizing the continuous upward transport of lily tubers from the soil. The operating efficiency is increased by more than 40% compared with traditional equipment, which is suitable for the harvesting needs of large-scale lily planting.

[0026] The chain tension adjustment component of this invention achieves precise adjustment of the transmission chain tension through a screw drive structure. The operator can drive the roller to rise and fall by rotating the turntable, thereby pressing down and tensioning the first chain, effectively preventing the chain from slipping or derailing due to slack. At the same time, the positioning bolt can achieve positioning after adjustment, ensuring the stability and reliability of the transmission system, reducing equipment maintenance costs, and improving the continuous operation capability of the equipment.

[0027] The support rod of this invention adopts a telescopic structure and is equipped with height scale lines, which can quickly adjust the soil penetration depth of the shovel head. After adjustment, it is locked by fixing bolts, which is easy to operate and can be adapted to the harvesting needs of different planting depths and different varieties of lilies, making it highly versatile. At the same time, the inclined soil guide plate set on the inner side of the harvesting shell can realize the rapid diversion and screening of soil, further improving the soil-potato separation efficiency.

[0028] The protective shell of this invention adopts a hollow, detachable structure with a lubricating oil groove on the inside. This not only effectively protects the sprocket and chain drive structure but also facilitates the addition of lubricating oil and subsequent maintenance and repair. The sprocket, rotating rod, and other transmission components are all treated with rust prevention and wear resistance, which greatly improves the service life of the equipment. Attached Figure Description

[0029] The accompanying drawings, which are included to provide a further understanding of the invention and form part of this application, illustrate exemplary embodiments of the invention and, together with their description, serve to explain the invention and do not constitute an undue limitation thereof. In the drawings:

[0030] Figure 1 This is a perspective view of the present invention;

[0031] Figure 2 This is a structural breakdown diagram of the present invention;

[0032] Figure 3 This is a three-dimensional view of the disassembled structure of the lily harvesting component in this invention;

[0033] Figure 4 This is a three-dimensional view of the disassembled structure of the chain tension adjustment component in this invention.

[0034] Legend:

[0035] 1. Harvesting shell; 2. Restricting ring; 3. Support plate; 4. Gear housing; 5. Stroke groove; 6. Restricting frame; 7. Support rod; 8. Fixing rod; 9. Shovel head;

[0036] 10. Lily harvesting assembly; 101. Drive rod; 102. Connecting disc; 103. First sprocket; 104. First chain; 105. Second sprocket; 106. Protective shell; 107. First rotating rod; 108. Third sprocket; 109. Second chain; 1010. Fourth sprocket; 1011. Second rotating rod; 1012. Harvesting conveyor belt;

[0037] 11. Chain tension adjustment assembly; 111. Round rod; 112. Turntable; 113. Lead screw; 114. Threaded block; 115. Support arm; 116. Roller. Detailed Implementation

[0038] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0039] Specific implementation examples are given below.

[0040] Example 1:

[0041] Please see Figures 1 to 4 This invention provides a low-loss lily harvester capable of flexible separation, comprising:

[0042] The harvesting shell 1 has two limiting rings 2 fixedly installed on its front side. A support plate 3 is fixedly installed on the upper end of the harvesting shell 1, and a gear housing 4 is provided on the upper end of the support plate 3. A stroke groove 5 is provided on one side of the harvesting shell 1. Two limiting frames 6 are fixedly installed on the back of the harvesting shell 1. A first threaded hole is provided on the back of the limiting frame 6. A fixing bolt is threaded into the inside of the first threaded hole. A support rod 7 is threaded into the surface of the fixing bolt through a second threaded hole. A support leg is fixedly installed at the lower end of the support rod 7. The support rod 7 is a telescopic structure and has height scale lines on its surface. A fixing rod 8 is fixedly installed at the bottom of the inner side wall of the harvesting shell 1. A shovel head 9 is fixedly installed on the front of the fixing rod 8. The shovel head 9 is an arc-shaped wear-resistant structure with rounded corners at its digging end. A lily harvesting component 10 is set inside the limiting rings 2 for stable harvesting and flexible conveying of lilies. A chain tension adjustment component 11 is set in the middle of the upper end of the harvesting shell 1 for adjusting the chain tension.

[0043] In this embodiment, firstly, the rotating turntable 112 drives the roller 116 to rise and fall via the lead screw 113, which can precisely adjust the tension of the chain, prevent the chain from slipping and derailing, and ensure stable and reliable transmission. Secondly, the connecting plate 102 rotates, driving the harvest conveyor belt 1012 to operate continuously via the sprocket and chain, smoothly and steadily conveying the dug lily tubers upwards, realizing continuous material conveying, effectively reducing mechanical damage to lilies during the harvesting process, and improving harvest quality.

[0044] Example 2:

[0045] Based on Example 1, a lily harvesting component 10 is further disclosed.

[0046] like Figure 1 , Figure 2 and Figure 3 As shown, the lily harvesting component 10 also includes:

[0047] A transmission rod 101 is installed inside the limiting ring 2. A connecting plate 102 is fixedly installed on the other side of the transmission rod 101. The end face of the connecting plate 102 has evenly distributed connecting holes for connecting to an external power device. A first sprocket 103 is fixedly installed at one end of the transmission rod 101. A first chain 104 is meshed on the surface of the first sprocket 103. A second sprocket 105 is meshed on the inner wall of the first chain 104. The tooth profiles of the first sprocket 103 and the second sprocket 105 are matched, and the surfaces of the sprockets are treated with anti-rust and wear-resistant materials. A protective shell 106 is connected to one side of the second sprocket 105 and the first sprocket 103 via a bearing. The protective shell 106 has a hollow structure and a lubricating oil groove is provided on its inner side. One side of the protective shell 106 is bolted to one side of the harvest shell 1. A first rotating rod 107 is fixedly installed on the other side of the second sprocket 105. A third sprocket 10 is fixedly installed on both sides of the surface of the first rotating rod 107. 8. The surface of the third sprocket 108 is engaged with the second chain 109. The two third sprockets 108 are symmetrically distributed and are interference-fitted with the first rotating rod 107. The inner wall of the second chain 109 is engaged with the fourth sprocket 1010. The interior of the fourth sprocket 1010 is provided with the second rotating rod 1011. The number of fourth sprockets 1010 matches the number of third sprockets 108. The surface of the second rotating rod 1011 is chrome-plated. The two sides of the second rotating rod 1011 are set inside the harvesting shell 1 through bearings. The inner wall of the second chain 109 is connected to the harvesting conveyor belt 1012. The harvesting conveyor belt 1012 has a flexible grid structure with a grid gap of 5-8mm. The surface of the conveyor belt is covered with an anti-slip and wear-resistant rubber layer. The inner wall of the harvesting shell 1 is provided with a soil guide plate. The soil guide plate is located below the harvesting conveyor belt 1012 and has an inclined structure with an inclination angle of 30-45°.

[0048] In this embodiment, the rotation of the connecting disc 102 drives the transmission rod 101 to rotate, which in turn drives the first sprocket 103 and the first chain 104 to rotate. The first chain 104 drives the second sprocket 105 and the first rotating rod 107 to rotate, which in turn drives the third sprocket 108 to rotate. The third sprocket 108 drives the second chain 109 to rotate, which in turn drives the harvesting conveyor belt 1012 to rotate. This achieves a smooth and continuous upward transport of the lily tubers after digging, realizing flexible and continuous material transport and effectively reducing mechanical damage to the lilies during harvesting.

[0049] Example 3:

[0050] Based on Embodiment 1, a chain tension adjustment component 11 is further disclosed.

[0051] like Figure 1 , Figure 2 and Figure 4 As shown, the chain tension adjustment assembly 11 also includes:

[0052] A circular groove is formed in the middle of the upper part of the harvesting shell 1. A circular rod 111 is set inside the circular groove. The circular rod 111 is partially adapted to the circular groove. A turntable 112 is fixedly installed at the upper end of the circular rod 111. The surface of the turntable 112 is provided with anti-slip texture and a positioning bolt is provided on the turntable 112. A lead screw 113 is fixedly installed at the lower end of the circular rod 111. One end of the lead screw 113 is set in the stroke groove 5 through a bearing. The inner side wall of the stroke groove 5 is provided with a wear-resistant guide strip. A threaded block 114 is threadedly connected to the surface of the lead screw 113 through a threaded hole. The threaded block 114 is partially adapted to the stroke groove 5. A support arm 115 is fixedly installed on one side of the threaded block 114. A roller 116 is fixedly installed on one side of the support arm 115. The roller 116 is in contact with the outer side wall of the first chain 104 and the roller 116 is a polyurethane coated structure.

[0053] In this embodiment, the rotating turntable 112 drives the round rod 111 to rotate, which in turn drives the lead screw 113 to rotate. The rotation of the lead screw 113 drives the threaded block 114 to move within the stroke groove 5. Subsequently, the threaded block 114 drives the support arm 115 to move, and the support arm 115 drives the roller 116 to move stably. This allows the roller 116 to press down and restrict the first chain 104, thereby achieving adjustable and controllable tension of the chain transmission. This effectively prevents the chain from slipping or derailing due to slack, ensuring the stability and reliability of the transmission system.

[0054] The workflow of this embodiment is as follows:

[0055] First, the operator pushes the device to the edge of the lily planting field and aligns the shovel head 9 at the front of the harvester with the lily planting row to be harvested;

[0056] Subsequently, by adjusting the height of the two support rods 7 installed on the back of the harvesting shell 1, the soil penetration depth of the shovel head 9 can be adjusted to adapt to different planting depths. After adjustment, it is locked onto the limiting frame 6 by fixing bolts to ensure the machine body is stable during harvesting. At the same time, the turntable 112 located in the middle of the upper end of the harvesting shell 1 can be manually rotated to pre-adjust the tension of the first chain 104 through the chain tension adjustment component 11 to ensure that the transmission system is properly tensioned.

[0057] Secondly, the power is connected to the connecting plate 102 at the outer end of the lily harvesting assembly 10 through connecting parts such as splines or couplings. When the external power drives the connecting plate 102 to rotate, the power is transmitted. The connecting plate 102 drives the transmission rod 101 fixed thereto to rotate. The transmission rod 101 then drives the first sprocket 103 installed at the other end to rotate. The first sprocket 103 transmits the power to the second sprocket 105 through the first chain 104 meshing with it.

[0058] Next, the rotation of the second sprocket 105 drives the first rotating rod 107, which is coaxial with it, to rotate. The two third sprockets 108, which are symmetrically mounted on the first rotating rod 107, rotate synchronously. Each third sprocket 108 transmits power to the fourth sprocket 1010, which is located inside the harvesting shell, through a second chain 109. The fourth sprocket 1010 is mounted on the second rotating rod 1011, which is supported inside the harvesting shell 1 by bearings, thus forming a stable transmission circuit. During this process, the inner sides of the two second chains 109 are connected together and drive a ring-shaped harvesting conveyor belt 1012 to operate continuously.

[0059] The shovel head 9, fixed to the bottom of the inner side of the harvesting shell 1, is inserted into the soil and scoops up the lily bulbs along with the soil. The loosened lily tubers then fall onto the continuously operating harvesting conveyor belt 1012. Driven by the chain, the harvesting conveyor belt 1012 gently and smoothly transports the lily tubers upward and backward from the digging point. During this process, most of the soil is screened and falls back through the grid or gaps of the conveyor belt, while the lily tubers are transported intact and with minimal damage to the rear of the machine, completing the collection.

[0060] The foregoing has shown and described 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 to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed invention.

Claims

1. A low-loss lily harvester capable of flexible separation, characterized in that, include: Harvesting shell (1), two limiting rings (2) are fixedly installed on the front of the harvesting shell (1), a support plate (3) is fixedly installed on the upper end of the harvesting shell (1), a gear shell (4) is provided on the upper end of the support plate (3), a stroke groove (5) is provided on one side of the harvesting shell (1), two limiting frames (6) are fixedly installed on the back of the harvesting shell (1), a first threaded hole is provided on the back of the limiting frame (6), a fixing bolt is threadedly connected inside the first threaded hole, a support rod (7) is threadedly connected to the surface of the fixing bolt through a second threaded hole, a support leg is fixedly installed at the lower end of the support rod (7), a fixing rod (8) is fixedly installed at the bottom of the inner side wall of the harvesting shell (1), a shovel head (9) is fixedly installed on the front of the fixing rod (8), and the shovel head (9) is an arc-shaped wear-resistant structure with rounded corners at its digging end.

2. The lily harvester with low loss capable of flexible separation according to claim 1, characterized in that, Also includes: The lily harvesting component (10) is set inside the limiting ring (2) and is used for stable harvesting and flexible transport of lilies; The lily harvesting component (10) includes: A transmission rod (101) is set inside the limiting ring (2). A connecting plate (102) is fixedly installed on the other side of the transmission rod (101). The end face of the connecting plate (102) is provided with evenly distributed connecting holes for connecting with an external power device. A first sprocket (103) is fixedly installed at one end of the transmission rod (101). A first chain (104) is meshed on the surface of the first sprocket (103). A second sprocket (105) is meshed on the inner side wall of the first chain (104). The tooth profiles of the first sprocket (103) and the second sprocket (105) are matched, and the surface of the sprocket is treated with anti-rust and wear-resistant treatment.

3. The lily harvester with low loss capable of flexible separation according to claim 2, characterized in that, The second sprocket (105) and the first sprocket (103) are connected to a protective shell (106) by a bearing on one side. The protective shell (106) is bolted to one side of the harvest shell (1). The protective shell (106) has a hollow structure and a lubricating oil groove is provided on its inner side.

4. The lily harvester with low loss capable of flexible separation according to claim 2, characterized in that, A first rotating rod (107) is fixedly installed on the other side of the second sprocket (105). A third sprocket (108) is fixedly installed on both sides of the surface of the first rotating rod (107). A second chain (109) is engaged on the surface of the third sprocket (108). The two third sprockets (108) are symmetrically distributed and are interference fit with the first rotating rod (107).

5. The lily harvester with low loss capable of flexible separation according to claim 4, characterized in that, The inner wall of the second chain (109) is engaged with a fourth sprocket (1010), and a second rotating rod (1011) is provided inside the fourth sprocket (1010). The number of fourth sprockets (1010) matches that of the third sprocket (108), and the surface of the second rotating rod (1011) is chrome-plated.

6. The lily harvester with low loss capable of flexible separation according to claim 5, characterized in that, The two sides of the second rotating rod (1011) are set inside the harvest shell (1) through bearings. The inner side wall of the second chain (109) is connected to the harvest conveyor belt (1012). The harvest conveyor belt (1012) is a flexible grid structure with a grid gap of 5-8mm and the surface of the conveyor belt is covered with a non-slip and wear-resistant rubber layer.

7. The lily harvester with low loss capable of flexible separation according to claim 1, characterized in that, Also includes: Chain tension adjustment component (11), which is located at the upper middle part of the harvest shell (1) and is used to adjust the tension of the chain; The chain tension adjustment assembly (11) also includes: A circular groove is formed in the middle of the upper end of the harvest shell (1). A circular rod (111) is provided inside the circular groove. The circular rod (111) is partially adapted to the circular groove. A turntable (112) is fixedly installed at the upper end of the circular rod (111). The surface of the turntable (112) is provided with anti-slip texture, and a positioning bolt is provided on the turntable (112).

8. The lily harvester with low loss capable of flexible separation according to claim 7, characterized in that, A lead screw (113) is fixedly installed at the lower end of the round rod (111). One end of the lead screw (113) is set in the stroke groove (5) through a bearing. A threaded block (114) is threadedly connected to the surface of the lead screw (113) through a threaded hole. The threaded block (114) is partially adapted to the stroke groove (5), and a wear-resistant guide strip is provided on the inner side wall of the stroke groove (5).

9. The lily harvester with low loss capable of flexible separation according to claim 8, characterized in that, A support arm (115) is fixedly installed on one side of the threaded block (114), and a roller (116) is fixedly installed on one side of the support arm (115). The roller (116) is in contact with the outer wall of the first chain (104), and the roller (116) is a polyurethane coated structure.

10. The lily harvester with low loss capable of flexible separation according to claim 1, characterized in that, The inner wall of the harvesting shell (1) is provided with a soil guide plate, which is located below the harvesting conveyor belt (1012) and has an inclined structure with an inclination angle of 30-45°; the support rod (7) has a telescopic structure and has height scale lines on its surface.

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