Traction mechanism of cyperus esculentus harvester

Abstract

When the traction mechanism of the cyperus esculentus harvester is used, the traction end of a traction frame of the cyperus esculentus harvester is inserted between the left ends of an upper traction connecting plate and a lower traction connecting plate from left to right, and a traction pin shaft is vertically inserted into an upper left inserting hole, a traction hole and a lower left inserting hole; the front connecting end of a front shifting fork connecting rod of a lifting frame of a tractor is inserted between the right ends of a first lifting front connecting plate and a second lifting front connecting plate from right to left, and a front lifting pin shaft is inserted into a first front inserting hole, a front shifting fork hole and a second front inserting hole in the front-back direction; the rear connecting end of a rear shifting fork connecting rod of a lifting frame of the tractor is inserted between the right ends of the first lifting rear connecting plate and the second lifting rear connecting plate from right to left, and a rear lifting pin shaft is inserted into a first rear inserting hole, a rear shifting fork hole and a second rear inserting hole in the front-back direction. According to the utility model, when a tractor drags the cyperus esculentus harvester, the lifting is flexible, the lifting positioning is accurate, and the steering is flexible.

Description

Technical Field

[0001] This utility model relates to the field of agricultural machinery technology, and in particular to the field of tiger nut harvester technology, specifically referring to a traction mechanism for a tiger nut harvester. Background Technology

[0002] Agricultural machinery refers to all kinds of machinery used in crop cultivation and animal husbandry, as well as in the initial processing and handling of agricultural and livestock products. Agricultural machinery includes agricultural power machinery, farmland construction machinery, soil tillage machinery, planting and fertilization machinery, plant protection machinery, farmland irrigation and drainage machinery, crop harvesting machinery, agricultural product processing machinery, livestock machinery, and agricultural transportation machinery, etc.

[0003] Tiger nuts are a root tuber crop that grows 15-20cm deep in sandy soil. During growth, the roots tiller into fluffy clumps about 20-30cm in diameter, with the roots and tiger nuts wrapped together. They are harvested using a tiger nut harvester.

[0004] When harvesting tiger nuts using a tiger nut harvester, it is necessary to complete not only digging, sieving, separating grass and nuts, cleaning, conveying, removing impurities, and collecting seeds, but also to ensure that the digging depth is controlled between 15cm and 20cm. Therefore, when the tractor is towing the tiger nut harvester, the traction mechanism of the tiger nut harvester must be flexible in raising and lowering, accurate in raising and lowering positioning, and convenient and quick in loading and unloading.

[0005] The existing traction mechanism of tiger nut harvesters has problems during the harvesting operation. Due to the unreasonable traction mechanism, the tiger nut harvester is lifted too high or too low, and the positioning is inaccurate. This seriously affects the harvesting depth of the harvester, causing the harvesting depth to be inconsistent. In addition, the tractor is not flexible enough when towing the tiger nut harvester to turn, and there are even cases where the tractor and tiger nut harvester scrape against each other.

[0006] Therefore, it is desirable to provide a traction mechanism for a tiger nut harvester that enables flexible lifting, accurate lifting positioning, and flexible steering when a tractor tows a tiger nut harvester. Utility Model Content

[0007] In order to overcome the shortcomings of the prior art, one objective of this utility model is to provide a traction mechanism for a tiger nut harvester, which enables the tractor to lift and lower the tiger nut harvester flexibly, accurately position the lifting and lowering, and flexibly turn the steering wheel, making it suitable for large-scale promotion and application.

[0008] Another objective of this utility model is to provide a traction mechanism for a tiger nut harvester, which is ingeniously designed, simple in structure, easy to manufacture, and low in manufacturing cost, making it suitable for large-scale promotion and application.

[0009] To achieve the above objectives, this utility model provides a traction mechanism for a tiger nut harvester, characterized by comprising a connecting rod, an upper traction connecting plate, a lower traction connecting plate, a first lifting front connecting plate, a second lifting front connecting plate, a first lifting rear connecting plate, and a second lifting rear connecting plate, wherein:

[0010] The connecting rod is arranged in the front-to-back direction. Both the upper traction connecting plate and the lower traction connecting plate are horizontally arranged and in the left-to-right direction. The middle part of the connecting rod is located between the right ends of the upper traction connecting plate and the lower traction connecting plate, connecting the right ends of both plates respectively. The distance between the left ends of the upper traction connecting plate and the lower traction connecting plate is equal to the thickness of the traction end of the traction frame of the tiger nut harvester. The space between the left ends of the upper traction connecting plate and the lower traction connecting plate is used to insert the traction end. The left end of the upper connecting plate and the left end of the lower connecting plate are respectively provided with an upper left insertion hole and a lower left insertion hole. The upper left insertion hole and the lower left insertion hole are vertically spaced apart from each other. The diameter of the upper left insertion hole and the lower left insertion hole are both equal to the diameter of the traction hole of the traction end. The upper left insertion hole and the lower left insertion hole are used to insert the traction hole. The upper left insertion hole, the traction hole and the lower left insertion hole are used to vertically insert the traction pin of the tiger pea harvester, so that the traction end can rotate horizontally between the left end of the upper connecting plate and the left end of the lower connecting plate.

[0011] Both the first and second lifting front connecting plates are vertically arranged and along the left-right direction, spaced apart from each other. The left ends of both the first and second lifting front connecting plates are sleeved on the front end of the connecting rod. The distance between the right ends of the first and second lifting front connecting plates is equal to the dimension of the front connecting end of the front fork connecting rod of the tractor's lifting frame in the front-back direction. The right end of the first and second lifting front connecting plates is used to insert the front connecting end. The right end of the connecting plate is provided with a first front insertion hole and a second front insertion hole along the front-rear direction. The first front insertion hole and the second front insertion hole are spaced apart from each other. The diameter of the first front insertion hole and the diameter of the second front insertion hole are both equal to the diameter of the front shift fork hole of the front connecting end. The first front insertion hole and the second front insertion hole are used to insert the front shift fork hole. The first front insertion hole, the front shift fork hole and the second front insertion hole are used to insert the front lifting pin of the tractor along the front-rear direction, so that the front connecting end can rotate around the front-rear direction between the right end of the lifting first front connecting plate and the right end of the lifting second front connecting plate.

[0012] Both the first and second rear connecting plates are vertically arranged and positioned along the left-right direction, spaced apart from each other. The left ends of both the first and second rear connecting plates are sleeved onto the rear end of the connecting rod. The distance between the right ends of the first and second rear connecting plates is equal to the dimension of the rear connecting end of the rear fork connecting rod of the lifting frame in the front-back direction. The right end of the first and second rear connecting plates is used to insert the rear connecting end. The right end of the connecting plate is provided with a first rear insertion hole and a second rear insertion hole along the front-rear direction. The first rear insertion hole and the second rear insertion hole are spaced apart from each other. The diameter of the first rear insertion hole and the diameter of the second rear insertion hole are both equal to the diameter of the rear shift fork hole of the rear connecting end. The rear shift fork hole is inserted between the first rear insertion hole and the second rear insertion hole. The rear lifting pin of the tractor is inserted into the first rear insertion hole, the rear shift fork hole and the second rear insertion hole along the front-rear direction, so that the rear connecting end can rotate around the front-rear direction between the right end of the lifting first rear connecting plate and the right end of the lifting second rear connecting plate.

[0013] Preferably, the connecting rod is a pipe fitting.

[0014] More preferably, the fitting is a steel fitting.

[0015] More preferably, the fitting is a round or square tube.

[0016] Preferably, the dimensions of the upper traction connecting plate and the lower traction connecting plate in the front-rear direction both gradually decrease from right to left toward the center in the front-rear direction.

[0017] Preferably, the vertical dimensions of the first lifting front connecting plate, the second lifting front connecting plate, the first lifting rear connecting plate, and the second lifting rear connecting plate all gradually decrease from left to right toward the center.

[0018] Preferably, the traction mechanism of the tiger nut harvester further includes a U-shaped traction rib plate, which is vertically arranged and along the left-right direction, with the opening of the U-shaped traction rib plate facing left, and the U-shaped traction rib plate is respectively snapped onto the connecting rod, the upper traction connecting plate and the lower traction connecting plate.

[0019] More preferably, there are multiple U-shaped traction ribs, and the multiple U-shaped traction ribs are arranged at intervals between each other.

[0020] Preferably, the traction mechanism of the tiger nut harvester further includes a first lifting front rib plate, a second lifting front rib plate, a first lifting rear rib plate, and a second lifting rear rib plate. The first lifting front rib plate and the second lifting front rib plate are both horizontally arranged and positioned along the left-right direction, spaced vertically apart. Both the first lifting front rib plate and the second lifting front rib plate are located behind and connected to the second lifting front connecting plate. The connecting rod is located between the left end of the first lifting front rib plate and the left end of the second lifting front rib plate, and is respectively connected to the... The left end of the first lifting front stiffener plate and the left end of the second lifting front stiffener plate; the first lifting rear stiffener plate and the second lifting rear stiffener plate are both horizontally arranged and arranged along the left-right direction and spaced apart vertically from each other; the first lifting rear stiffener plate and the second lifting rear stiffener plate are both located in front of the first lifting rear connecting plate and are both connected to the first lifting rear connecting plate; the connecting rod is located between the left end of the first lifting rear stiffener plate and the left end of the second lifting rear stiffener plate and is respectively connected to the left end of the first lifting rear stiffener plate and the left end of the second lifting rear stiffener plate.

[0021] Preferably, the traction mechanism of the tiger nut harvester further includes a first lifting front axle sleeve, a second lifting front axle sleeve, a first lifting rear axle sleeve, and a second lifting rear axle sleeve. The first lifting front axle sleeve, the second lifting front axle sleeve, the first lifting rear axle sleeve, and the second lifting rear axle sleeve are all arranged along the front-rear direction and respectively inserted into the first front insertion hole, the second front insertion hole, the first rear insertion hole, and the second rear insertion hole along the front-rear direction. The distance between the first lifting front axle sleeve and the second lifting front axle sleeve is equal to the dimension of the front connecting end in the front-rear direction. The diameters of the first lifting front axle sleeve and the second lifting front axle sleeve are both equal to the diameter of the front shift fork hole. The first lifting front axle sleeve and the second lifting front axle sleeve are used to insert the front connecting end and the front shift fork hole. The fork hole and the second lifting front axle sleeve are used to insert the front lifting pin in the front-rear direction, so that the front connecting end can rotate between the first lifting front axle sleeve and the second lifting front axle sleeve in the front-rear direction; the distance between the first lifting rear axle sleeve and the second lifting rear axle sleeve is equal to the size of the rear connecting end in the front-rear direction, the diameter of the first lifting rear axle sleeve and the diameter of the second lifting rear axle sleeve are both equal to the diameter of the rear shift fork hole, the first lifting rear axle sleeve and the second lifting rear axle sleeve are used to insert the rear connecting end and the rear shift fork hole, the first lifting rear axle sleeve, the rear shift fork hole and the second lifting rear axle sleeve are used to insert the rear lifting pin in the front-rear direction, so that the rear connecting end can rotate between the first lifting rear axle sleeve and the second lifting rear axle sleeve in the front-rear direction.

[0022] The main beneficial effects of this utility model are as follows:

[0023] 1. When using the traction mechanism of this utility model for a tiger nut harvester, insert the traction end of the traction frame of the tiger nut harvester from left to right between the left end of the upper traction connecting plate and the left end of the lower traction connecting plate until the traction hole is located between the upper left insertion hole and the lower left insertion hole. Vertically insert the traction pin into the upper left insertion hole, the traction hole, and the lower left insertion hole. Insert the front connecting end of the front fork connecting rod of the tractor's lifting frame from right to left between the right end of the first lifting front connecting plate and the right end of the second lifting front connecting plate until the front fork hole is located between the first front insertion hole and the second front insertion hole. Insert the front lifting pin into the first front insertion hole, the front shift fork hole, and the second front insertion hole in the front-back direction; insert the rear connecting end of the rear shift fork connecting rod of the tractor's lifting frame from right to left between the right end of the first rear connecting plate and the right end of the second rear connecting plate, until the rear shift fork hole is located between the first rear insertion hole and the second rear insertion hole; insert the rear lifting pin into the first rear insertion hole, the rear shift fork hole, and the second rear insertion hole in the front-back direction. Therefore, it enables the tractor to lift and lower the tiger nut harvester flexibly, accurately position the lifting and lowering, and flexibly turn, making it suitable for large-scale promotion and application.

[0024] 2. When using the traction mechanism of this utility model for a tiger nut harvester, insert the traction end of the traction frame of the tiger nut harvester from left to right between the left end of the upper traction connecting plate and the left end of the lower traction connecting plate until the traction hole is located between the upper left insertion hole and the lower left insertion hole. Vertically insert the traction pin into the upper left insertion hole, the traction hole, and the lower left insertion hole. Insert the front connecting end of the front fork connecting rod of the tractor's lifting frame from right to left between the right end of the first lifting front connecting plate and the right end of the second lifting front connecting plate until the front fork hole is located between the first front insertion hole and the second... Between the front insertion holes, the front lifting pin is inserted into the first front insertion hole, the front shift fork hole, and the second front insertion hole in the front-rear direction; the rear connecting end of the rear shift fork connecting rod of the tractor's lifting frame is inserted from right to left between the right end of the first rear connecting plate and the right end of the second rear connecting plate, until the rear shift fork hole is located between the first rear insertion hole and the second rear insertion hole, and the rear lifting pin is inserted into the first rear insertion hole, the rear shift fork hole, and the second rear insertion hole in the front-rear direction. Therefore, its design is ingenious, its structure is simple, its manufacturing is convenient, its manufacturing cost is low, and it is suitable for large-scale promotion and application.

[0025] These and other objects, features and advantages of this utility model will be fully apparent from the following detailed description and drawings, and can be achieved by the means, devices and combinations thereof specifically pointed out in the description of the utility model. Attached Figure Description

[0026] Figure 1 This is a three-dimensional schematic diagram of a specific embodiment of the traction mechanism of the tiger nut harvester of this utility model. Figure 1 .

[0027] Figure 2 yes Figure 1 The three-dimensional schematic diagram of the specific embodiment shown Figure 2 .

[0028] Figure 3 yes Figure 1 The diagram shown is a front view of a specific embodiment in use.

[0029] Figure 4 yes Figure 3 A partially enlarged schematic diagram of the structure shown.

[0030] Figure 5 yes Figure 1 The diagram shown is a top view of the specific embodiment in use.

[0031] Figure 6 yes Figure 5 A partially enlarged schematic diagram of the structure shown.

[0032] (Symbol Explanation)

[0033] 1. Connecting rod; 2. Upper traction connecting plate; 21. Upper left insertion hole; 3. Lower traction connecting plate; 31. Lower left insertion hole; 4. Lifting first front connecting plate; 41. First front insertion hole; 5. Lifting second front connecting plate; 51. Second front insertion hole; 6. Lifting first rear connecting plate; 7. Lifting second rear connecting plate; 71. Second rear insertion hole; 8. U-shaped traction rib plate; 9. Lifting first front rib plate; 10. Lifting second front rib plate; 11. Lifting first rear rib plate; 12. Lifting second rear rib plate; 13. Lifting first front axle sleeve; 14. Lifting second front axle sleeve; 15. Lifting first rear axle sleeve; 16. Lifting second rear axle sleeve;

[0034] 100 Tiger Pea Harvester; 101 Traction Frame; 102 Traction End; 103 Traction Hole; 104 Traction Pin;

[0035] 200 Tractor; 201 Lifting frame; 202 Front shift fork connecting rod; 203 Front connecting end; 204 Front shift fork hole; 205 Front lifting pin; 206 Rear shift fork connecting rod; 207 Rear connecting end; 208 Rear shift fork hole; 209 Rear lifting pin. Detailed Implementation

[0036] In order to better understand the technical content of this utility model, the following embodiments are provided for detailed description.

[0037] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0038] Please see Figures 1-2 As shown, in a specific embodiment of this utility model, the traction mechanism of the tiger nut harvester includes a connecting rod 1, an upper traction connecting plate 2, a lower traction connecting plate 3, a first lifting front connecting plate 4, a second lifting front connecting plate 5, a first lifting rear connecting plate 6, and a second lifting rear connecting plate 7, wherein:

[0039] The connecting rod 1 is arranged in the front-to-back direction. The upper traction connecting plate 2 and the lower traction connecting plate 3 are both arranged horizontally and in the left-to-right direction. The middle part of the connecting rod 1 is located between the right end of the upper traction connecting plate 2 and the right end of the lower traction connecting plate 3, and connects the right ends of the upper traction connecting plate 2 and the lower traction connecting plate 3 respectively. The distance between the left end of the upper traction connecting plate 2 and the left end of the lower traction connecting plate 3 is equal to the traction end 102 of the traction frame 101 of the tiger nut harvester 100 (see...). Figures 3-6 The thickness of the traction end 102 is such that the left end of the upper traction connecting plate 2 and the left end of the lower traction connecting plate 3 are used to insert the traction end 102. The left end of the upper traction connecting plate 2 and the left end of the lower traction connecting plate 3 are respectively provided with a left upper insertion hole 21 and a left lower insertion hole 31 vertically spaced apart. The diameter of the left upper insertion hole 21 and the diameter of the left lower insertion hole 31 are both equal to the diameter of the traction hole 103 of the traction end 102. The left upper insertion hole 21 and the left lower insertion hole 31 are used to insert the traction hole 103. The left upper insertion hole 21, the traction hole 103 and the left lower insertion hole 31 are used to vertically insert the traction pin 104 of the tiger pea harvester 100, so that the traction end 102 can rotate horizontally between the left end of the upper traction connecting plate 2 and the left end of the lower traction connecting plate 3.

[0040] The first lifting front connecting plate 4 and the second lifting front connecting plate 5 are both vertically arranged and along the left-right direction, and are spaced apart from each other. The left ends of the first lifting front connecting plate 4 and the second lifting front connecting plate 5 are both sleeved on the front end of the connecting rod 1. The distance between the right ends of the first lifting front connecting plate 4 and the second lifting front connecting plate 5 is equal to the front connecting end 203 of the front fork connecting rod 202 of the lifting frame 201 of the tractor 200 (see...). Figures 3-6 The dimensions in the front-rear direction are such that the right end of the first lifting front connecting plate 4 and the right end of the second lifting front connecting plate 5 are used to insert the front connecting end 203. The right ends of the first lifting front connecting plate 4 and the second lifting front connecting plate 5 are respectively provided with a first front insertion hole 41 and a second front insertion hole 51 in the front-rear direction. The first front insertion hole 41 and the second front insertion hole 51 are spaced apart from each other. The diameter of the first front insertion hole 41 and the diameter of the second front insertion hole 51 are both equal to the diameter of the front shift fork hole 204 of the front connecting end 203. The first front insertion hole 41 and the second front insertion hole 51 are used to insert the front shift fork hole 204. The first front insertion hole 41, the front shift fork hole 204 and the second front insertion hole 51 are used to insert the front lifting pin 205 of the tractor 200 in the front-rear direction, so that the front connecting end 203 can rotate around the front-rear direction between the right ends of the first lifting front connecting plate 4 and the right ends of the second lifting front connecting plate 5.

[0041] The first lifting rear connecting plate 6 and the second lifting rear connecting plate 7 are both vertically arranged and along the left-right direction, spaced apart from each other. The left ends of the first lifting rear connecting plate 6 and the second lifting rear connecting plate 7 are both sleeved on the rear end of the connecting rod 1. The distance between the right ends of the first lifting rear connecting plate 6 and the second lifting rear connecting plate 7 is equal to the dimension of the rear connecting end 207 of the rear fork connecting rod 206 of the lifting frame 201 in the front-back direction. The right end of the first lifting rear connecting plate 6 and the right end of the second lifting rear connecting plate 7 is used to insert the rear connecting end 207. The right ends of the first lifting rear connecting plate 6 and the second lifting rear connecting plate 7 are respectively arranged along the left-right direction. A first rear insertion hole (not shown in the figure) and a second rear insertion hole 71 are provided in the front-rear direction. The first rear insertion hole and the second rear insertion hole 71 are spaced apart from each other. The diameter of the first rear insertion hole and the diameter of the second rear insertion hole 71 are both equal to the diameter of the rear shift fork hole 208 of the rear connecting end 207. The rear shift fork hole 208 is inserted between the first rear insertion hole and the second rear insertion hole 71. The rear lifting pin 209 of the tractor 200 is inserted into the first rear insertion hole, the rear shift fork hole 208 and the second rear insertion hole 71 in the front-rear direction, so that the rear connecting end 207 can rotate around the front-rear direction between the right end of the lifting first rear connecting plate 6 and the right end of the lifting second rear connecting plate 7.

[0042] The connecting rod 1 can have any suitable shape; please refer to [link / reference]. Figures 1-2 As shown, in a specific embodiment of this utility model, the connecting rod 1 is a pipe fitting.

[0043] The pipe fitting can be made of any suitable material. In one specific embodiment of this utility model, the pipe fitting is a steel pipe fitting.

[0044] The fitting can have any suitable shape; more preferably, it is a round or square tube. See also... Figures 1-2 As shown, in a specific embodiment of this utility model, the pipe fitting is a round pipe.

[0045] The dimensions of the upper traction connecting plate 2 in the front-rear direction and the dimensions of the lower traction connecting plate 3 in the front-rear direction can remain constant or vary along the left-right direction. Please refer to [link / reference needed]. Figures 1-2 As shown, in a specific embodiment of this utility model, the dimensions of the upper traction connecting plate 2 and the lower traction connecting plate 3 in the front-back direction both gradually decrease from right to left toward the center in the front-back direction.

[0046] The vertical dimensions of the first lifting front connecting plate 4, the second lifting front connecting plate 5, the first lifting rear connecting plate 6, and the second lifting rear connecting plate 7 can remain constant or vary along the left-right direction. Please refer to [link / reference]. Figures 1-2 As shown, in a specific embodiment of this utility model, the vertical dimensions of the first lifting front connecting plate 4, the second lifting front connecting plate 5, the first lifting rear connecting plate 6, and the second lifting rear connecting plate 7 all gradually decrease from left to right toward the center.

[0047] The traction mechanism of the tiger nut harvester may also include any other suitable components; please refer to [link / reference]. Figures 1-2 As shown, in a specific embodiment of this utility model, the traction mechanism of the tiger nut harvester further includes a U-shaped traction rib plate 8. The U-shaped traction rib plate 8 is arranged vertically and along the left-right direction. The opening of the U-shaped traction rib plate 8 faces left. The U-shaped traction rib plate 8 is respectively snapped onto the outside of the connecting rod 1, the upper traction connecting plate 2 and the lower traction connecting plate 3.

[0048] The number of U-shaped traction ribs 8 can be determined as needed. More preferably, there are multiple U-shaped traction ribs 8, which are arranged at intervals. "Multiple" refers to two or more ribs. Please refer to [link to relevant documentation]. Figures 1-2 As shown, in a specific embodiment of this utility model, the number of U-shaped traction ribs 8 is 2.

[0049] The traction mechanism of the tiger nut harvester may also include any other suitable components; please refer to [link / reference]. Figures 1-2As shown, in a specific embodiment of this utility model, the traction mechanism of the tiger nut harvester further includes a first lifting front rib plate 9, a second lifting front rib plate 10, a first lifting rear rib plate 11, and a second lifting rear rib plate 12. The first lifting front rib plate 9 and the second lifting front rib plate 10 are both horizontally arranged and positioned along the left-right direction, with vertical spacing between them. Both the first lifting front rib plate 9 and the second lifting front rib plate 10 are located after and connected to the second lifting front connecting plate 5. The connecting rod 1 is located between the left end of the first lifting front rib plate 9 and the left end of the second lifting front rib plate 10, and is positioned separately. The left end of the first lifting front stiffener plate 9 and the left end of the second lifting front stiffener plate 10 are connected separately; the first lifting rear stiffener plate 11 and the second lifting rear stiffener plate 12 are both horizontally arranged and arranged along the left-right direction and are spaced apart vertically; the first lifting rear stiffener plate 11 and the second lifting rear stiffener plate 12 are both located in front of the first lifting rear connecting plate 6 and are both connected to the first lifting rear connecting plate 6; the connecting rod 1 is located between the left end of the first lifting rear stiffener plate 11 and the left end of the second lifting rear stiffener plate 12 and is respectively connected to the left end of the first lifting rear stiffener plate 11 and the left end of the second lifting rear stiffener plate 12.

[0050] The lifting first front stiffening plate 9, the lifting second front stiffening plate 10, the lifting first rear stiffening plate 11, and the lifting second rear stiffening plate 12 can have any suitable shape. Please refer to [link / reference]. Figures 1-2 As shown, in a specific embodiment of this utility model, the first lifting front stiffener 9, the second lifting front stiffener 10, the first lifting rear stiffener 11, and the second lifting rear stiffener 12 are all L-shaped plates.

[0051] The traction mechanism of the tiger nut harvester may also include any other suitable components; please refer to [link / reference]. Figures 1-2As shown, in a specific embodiment of this utility model, the traction mechanism of the tiger nut harvester further includes a first lifting front axle sleeve 13, a second lifting front axle sleeve 14, a first lifting rear axle sleeve 15, and a second lifting rear axle sleeve 16. The first lifting front axle sleeve 13, the second lifting front axle sleeve 14, the first lifting rear axle sleeve 15, and the second lifting rear axle sleeve 16 are all arranged along the front-rear direction and respectively inserted into the first front insertion hole 41, the second front insertion hole 51, the first rear insertion hole, and the second rear insertion hole 71 along the front-rear direction. The distance between the first lifting front axle sleeve 13 and the second lifting front axle sleeve 14 is equal to the dimension of the front connecting end 203 in the front-rear direction. The diameter of the first lifting front axle sleeve 13 and the diameter of the second lifting front axle sleeve 14 are both equal to the diameter of the front shift fork hole 204. The first lifting front axle sleeve 13 and the second lifting front axle sleeve 14 are used to insert the front connecting end 203 and the front shift fork hole 204. The front fork hole 204 and the second lifting front axle sleeve 14 are used to insert the front lifting pin 205 in the front-rear direction, so that the front connecting end 203 can rotate between the first lifting front axle sleeve 13 and the second lifting front axle sleeve 14 in the front-rear direction; the distance between the first lifting rear axle sleeve 15 and the second lifting rear axle sleeve 16 is equal to the size of the rear connecting end 207 in the front-rear direction, the diameter of the first lifting rear axle sleeve 15 and the diameter of the second lifting rear axle sleeve 16 are both equal to the diameter of the rear fork hole 208, the rear connecting end 207 and the rear fork hole 208 are used to insert between the first lifting rear axle sleeve 15 and the second lifting rear axle sleeve 16, and the rear lifting pin 209 is used to insert in the front-rear direction, so that the rear connecting end 207 can rotate between the first lifting rear axle sleeve 15 and the second lifting rear axle sleeve 16 in the front-rear direction.

[0052] In use, insert the traction end 102 of the traction frame 101 of the tiger nut harvester 100 from left to right between the left end of the upper traction connecting plate 2 and the left end of the lower traction connecting plate 3, until the traction hole 103 is located between the upper left insertion hole 21 and the lower left insertion hole 31. Vertically insert the traction pin 104 into the upper left insertion hole 21, the traction hole 103, and the lower left insertion hole 31. Insert the front connecting end 203 of the front fork connecting rod 202 of the lifting frame 201 of the tractor 200 from right to left between the right end of the first lifting front connecting plate 4 and the right end of the second lifting front connecting plate 5, until the front fork hole 204 is reached. Located between the first front insertion hole 41 and the second front insertion hole 51, the front lifting pin 205 is inserted into the first front insertion hole 41, the front shift fork hole 204 and the second front insertion hole 51 in the front-rear direction; the rear connecting end 207 of the rear shift fork connecting rod 206 of the lifting frame 201 of the tractor 200 is inserted from right to left between the right end of the lifting first rear connecting plate 6 and the right end of the lifting second rear connecting plate 7 until the rear shift fork hole 208 is located between the first rear insertion hole and the second rear insertion hole 71, and the rear lifting pin 209 is inserted into the first rear insertion hole, the rear shift fork hole 208 and the second rear insertion hole 71 in the front-rear direction.

[0053] If the first lifting front axle sleeve 13, the second lifting front axle sleeve 14, the first lifting rear axle sleeve 15, and the second lifting rear axle sleeve 16 are present, then insert the front connecting end 203 of the front shift fork connecting rod 202 of the lifting frame 201 of the tractor 200 from right to left between the first lifting front axle sleeve 13 and the second lifting front axle sleeve 14 until the front shift fork hole 204 is located between the first lifting front axle sleeve 13 and the second lifting front axle sleeve 14. Then insert the front lifting pin 205 into the first lifting front axle sleeve 16 in the front-rear direction. 3. In the front shift fork hole 204 and the lifting second front axle sleeve 14; insert the rear connecting end 207 of the rear shift fork connecting rod 206 of the lifting frame 201 of the tractor 200 from right to left between the lifting first rear axle sleeve 15 and the lifting second rear axle sleeve 16, until the rear shift fork hole 208 is located between the lifting first rear axle sleeve 15 and the lifting second rear axle sleeve 16. Insert the rear lifting pin 209 in the front-rear direction into the lifting first rear axle sleeve 15, the rear shift fork hole 208, and the lifting second rear axle sleeve 16. Please refer to [link / reference]. Figures 3-6 As shown.

[0054] During operation, the lifting frame 201 of the tractor 200 drives the connecting rod 1 by lifting the first front connecting plate 4, the second front connecting plate 5, the first rear connecting plate 6, and the second rear connecting plate 7. Then, the lifting of the tiger pea harvester 100 is controlled by the upper traction connecting plate 2 and the lower traction connecting plate 3 connected to the connecting rod 1.

[0055] Since the distance between the right end of the first lifting front connecting plate 4 and the right end of the second lifting front connecting plate 5 is equal to the front connecting end 203 of the front fork connecting rod 202 of the lifting frame 201 of the tractor 200 in the longitudinal direction, the diameters of the first front insertion hole 41 and the second front insertion hole 51 are both equal to the diameter of the front fork hole 204 of the front connecting end 203, and the distance between the right end of the first lifting rear connecting plate 6 and the right end of the second lifting rear connecting plate 7 is equal to the rear connecting end 207 of the rear fork connecting rod 206 of the lifting frame 201 in the longitudinal direction, the diameter of the first rear insertion hole... The diameters of the upper left insertion hole 21 and the lower left insertion hole 31 are both equal to the diameter of the rear fork hole 208 of the rear connecting end 207, ensuring the accuracy of machine lifting and lowering; furthermore, since the distance between the left end of the upper traction connecting plate 2 and the left end of the lower traction connecting plate 3 is equal to the thickness of the traction end 102 of the traction frame 101 of the tiger pea harvester 100, the diameters of the upper left insertion hole 21 and the lower left insertion hole 31 are both equal to the diameter of the traction hole 103 of the traction end 102, ensuring that when the lifting frame 201 of the tractor 200 is lifted and lowered, the tiger pea harvester 100 also accurately follows and rises and falls together, and the lifting and lowering accuracy is high.

[0056] Furthermore, since the middle part of the connecting rod 1 is located between the right end of the upper traction connecting plate 2 and the right end of the lower traction connecting plate 3, and connects the right ends of the upper traction connecting plate 2 and the lower traction connecting plate 3 respectively, the traction end 102 can rotate horizontally between the left end of the upper traction connecting plate 2 and the left end of the lower traction connecting plate 3. That is, the connection point of the traction end 102 of the traction frame 101 of the tiger nut harvester 100 is in an open position. Therefore, the tractor 200 can turn the tiger nut harvester 100 more flexibly, and there will be no scraping or mutual interference.

[0057] By taking the above measures, the technical problems of inaccurate lifting and positioning and inflexible steering of the traction mechanism of tiger nut harvesters in traditional technology have been solved.

[0058] Therefore, this utility model provides a traction mechanism for a tiger nut harvester. By optimizing the structure, size, and position of the traction connecting plate and the lifting connecting plate, the unreasonable aspects of the traditional traction mechanism are improved. This achieves the effect that when the tractor is pulling the tiger nut harvester, the traction mechanism is flexible in lifting and lowering, the lifting and lowering positioning is accurate, the tractor and tiger nut harvester can turn flexibly when the machine turns, there is no scraping or collision, and the operation is convenient during loading and unloading.

[0059] In summary, the traction mechanism of this utility model for a tiger nut harvester enables flexible lifting and lowering, accurate lifting and positioning, and flexible steering when a tractor pulls a tiger nut harvester. It features ingenious design, simple structure, easy manufacturing, and low manufacturing cost, making it suitable for large-scale promotion and application.

[0060] Therefore, it is evident that the objective of this utility model has been fully and effectively achieved. The function and structural principles of this utility model have been demonstrated and explained in the embodiments. Without departing from the stated principles, any modifications can be made to the implementation methods. Therefore, this utility model includes all modified embodiments based on the spirit and scope of the claims.

Claims

1. A chufa harvester traction mechanism, characterized by, Includes a connecting rod, an upper traction connecting plate, a lower traction connecting plate, a first lifting front connecting plate, a second lifting front connecting plate, a first lifting rear connecting plate, and a second lifting rear connecting plate, wherein: The connecting rod is arranged in the front-to-back direction. Both the upper traction connecting plate and the lower traction connecting plate are horizontally arranged and in the left-to-right direction. The middle part of the connecting rod is located between the right ends of the upper traction connecting plate and the lower traction connecting plate, connecting the right ends of both plates respectively. The distance between the left ends of the upper traction connecting plate and the lower traction connecting plate is equal to the thickness of the traction end of the traction frame of the tiger nut harvester. The space between the left ends of the upper traction connecting plate and the lower traction connecting plate is used to insert the traction end. The left end of the upper connecting plate and the left end of the lower connecting plate are respectively provided with an upper left insertion hole and a lower left insertion hole. The upper left insertion hole and the lower left insertion hole are vertically spaced apart from each other. The diameter of the upper left insertion hole and the lower left insertion hole are both equal to the diameter of the traction hole of the traction end. The upper left insertion hole and the lower left insertion hole are used to insert the traction hole. The upper left insertion hole, the traction hole and the lower left insertion hole are used to vertically insert the traction pin of the tiger pea harvester, so that the traction end can rotate horizontally between the left end of the upper connecting plate and the left end of the lower connecting plate. Both the first and second lifting front connecting plates are vertically arranged and along the left-right direction, spaced apart from each other. The left ends of both the first and second lifting front connecting plates are sleeved on the front end of the connecting rod. The distance between the right ends of the first and second lifting front connecting plates is equal to the dimension of the front connecting end of the front fork connecting rod of the tractor's lifting frame in the front-back direction. The right end of the first and second lifting front connecting plates is used to insert the front connecting end. The right end of the connecting plate is provided with a first front insertion hole and a second front insertion hole along the front-rear direction. The first front insertion hole and the second front insertion hole are spaced apart from each other. The diameter of the first front insertion hole and the diameter of the second front insertion hole are both equal to the diameter of the front shift fork hole of the front connecting end. The first front insertion hole and the second front insertion hole are used to insert the front shift fork hole. The first front insertion hole, the front shift fork hole and the second front insertion hole are used to insert the front lifting pin of the tractor along the front-rear direction, so that the front connecting end can rotate around the front-rear direction between the right end of the lifting first front connecting plate and the right end of the lifting second front connecting plate. Both the first and second rear connecting plates are vertically arranged and positioned along the left-right direction, spaced apart from each other. The left ends of both the first and second rear connecting plates are sleeved onto the rear end of the connecting rod. The distance between the right ends of the first and second rear connecting plates is equal to the dimension of the rear connecting end of the rear fork connecting rod of the lifting frame in the front-back direction. The right end of the first and second rear connecting plates is used to insert the rear connecting end. The right end of the connecting plate is provided with a first rear insertion hole and a second rear insertion hole along the front-rear direction. The first rear insertion hole and the second rear insertion hole are spaced apart from each other. The diameter of the first rear insertion hole and the diameter of the second rear insertion hole are both equal to the diameter of the rear shift fork hole of the rear connecting end. The rear shift fork hole is inserted between the first rear insertion hole and the second rear insertion hole. The rear lifting pin of the tractor is inserted into the first rear insertion hole, the rear shift fork hole and the second rear insertion hole along the front-rear direction, so that the rear connecting end can rotate around the front-rear direction between the right end of the lifting first rear connecting plate and the right end of the lifting second rear connecting plate.

2. The Cyperus esculentus harvester draft mechanism as claimed in claim 1, wherein, The connecting rod is a pipe fitting.

3. A Cyperus esculentus harvester hitch according to claim 2, characterised in that, The pipe fittings are steel pipe fittings.

4. The Cyperus esculentus harvester draft mechanism of claim 2, wherein, The pipe fitting is a round or square pipe.

5. The Cyperus esculentus harvester draft mechanism as claimed in claim 1, wherein, The dimensions of the upper traction connecting plate and the lower traction connecting plate in the front-rear direction both gradually decrease from right to left towards the center.

6. The Cyperus esculentus harvester draft mechanism of claim 1, wherein, The vertical dimensions of the first lifting front connecting plate, the second lifting front connecting plate, the first lifting rear connecting plate, and the second lifting rear connecting plate all gradually decrease from left to right toward the center.

7. The Cyperus esculentus harvester draft mechanism of claim 1, wherein, The traction mechanism of the tiger nut harvester also includes a U-shaped traction rib plate, which is vertically arranged and arranged along the left-right direction. The opening of the U-shaped traction rib plate faces left, and the U-shaped traction rib plate is respectively snapped onto the connecting rod, the upper traction connecting plate and the lower traction connecting plate.

8. A cyperus harvestor hitch according to claim 7, wherein, The number of U-shaped traction ribs is multiple, and the multiple U-shaped traction ribs are arranged at intervals between each other.

9. The Cyperus esculentus harvester draft mechanism of claim 1, wherein, The traction mechanism of the tiger nut harvester further includes a first lifting front rib plate, a second lifting front rib plate, a first lifting rear rib plate, and a second lifting rear rib plate. The first lifting front rib plate and the second lifting front rib plate are both horizontally arranged along the left-right direction and spaced vertically apart. Both the first lifting front rib plate and the second lifting front rib plate are located behind and connected to the second lifting front connecting plate. The connecting rod is located between the left end of the first lifting front rib plate and the left end of the second lifting front rib plate and is respectively connected to the lifting... The left end of the first front stiffening plate and the left end of the second front stiffening plate are lowered; the first rear stiffening plate and the second rear stiffening plate are both horizontally arranged and arranged along the left-right direction and are spaced apart vertically; the first rear stiffening plate and the second rear stiffening plate are both located in front of the first rear connecting plate and are both connected to the first rear connecting plate; the connecting rod is located between the left end of the first rear stiffening plate and the left end of the second rear stiffening plate and is respectively connected to the left end of the first rear stiffening plate and the left end of the second rear stiffening plate.

10. The Cyperus esculentus harvester draft mechanism of claim 1, wherein, The traction mechanism of the tiger nut harvester further includes a first lifting front axle sleeve, a second lifting front axle sleeve, a first lifting rear axle sleeve, and a second lifting rear axle sleeve. The first lifting front axle sleeve, the second lifting front axle sleeve, the first lifting rear axle sleeve, and the second lifting rear axle sleeve are all arranged along the front-rear direction and respectively inserted into the first front insertion hole, the second front insertion hole, the first rear insertion hole, and the second rear insertion hole along the front-rear direction. The distance between the first lifting front axle sleeve and the second lifting front axle sleeve is equal to the dimension of the front connecting end in the front-rear direction. The diameters of the first lifting front axle sleeve and the second lifting front axle sleeve are both equal to the diameter of the front shift fork hole. The first lifting front axle sleeve and the second lifting front axle sleeve are used to insert the front connecting end and the front shift fork hole. The first lifting front axle sleeve and the second lifting front axle sleeve are used to insert the front lifting pin in the front-rear direction, so that the front connecting end can rotate between the first lifting front axle sleeve and the second lifting front axle sleeve in the front-rear direction; the distance between the first lifting rear axle sleeve and the second lifting rear axle sleeve is equal to the size of the rear connecting end in the front-rear direction, the diameter of the first lifting rear axle sleeve and the diameter of the second lifting rear axle sleeve are both equal to the diameter of the rear shift fork hole, the first lifting rear axle sleeve and the second lifting rear axle sleeve are used to insert the rear connecting end and the rear shift fork hole, the first lifting rear axle sleeve, the rear shift fork hole and the second lifting rear axle sleeve are used to insert the rear lifting pin in the front-rear direction, so that the rear connecting end can rotate between the first lifting rear axle sleeve and the second lifting rear axle sleeve in the front-rear direction.

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