Anti-clamping structure of chain conveying type garlic harvester

Abstract

The utility model belongs to the field of agricultural machinery, and particularly relates to an anti-clamping structure of a chain conveying type garlic harvester, which comprises a supporting plate 1, a conveying clamping chain 2 which moves circularly is arranged on the supporting plate 1, the conveying clamping chain 2 is meshed with a driving chain wheel 3, and the conveying clamping chain 2 is connected with at least one gearless wheel 4 without a chain tooth structure in a matched mode. The gearless wheel 4 is connected with the supporting plate 1, the periphery of the gearless wheel 4 is annularly connected with a chain link inner ring of the conveying clamping chain 2, and the conveying clamping chain 2 is positioned. In addition, due to the characteristics of the chain (each chain link is provided with a rotatable roller), the chain is matched with the jammed gearless movement, the situation that the sprocket structure is jammed is avoided, the number of points prone to jamming is reduced to only one point of the remaining driving sprocket, and troubleshooting and cleaning work after jamming are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of agricultural machinery, concretely relates to a chain conveying type garlic harvester anti - jamming structure. BACKGROUND

[0002] The garlic harvester is the machine that replaces the manual harvesting garlic by mechanical structure, is equipped with the mechanism that the garlic head is shovelled from the land and is separated with the ground at the front end, and the harvested garlic is conveyed to the rear through the conveying mechanism, and the root is handled in the process of conveying, and its structure can refer to such as CN201920618469.X, CN201420313107.7 or the CN202121262363.4 that the applicant has applied for, including support plate, the conveying clamping chain of cyclic motion is set up on the support plate, and the garlic is transported through the two conveying clamping chains between the two support plates, in the prior art, the conveying clamping chain is driven through meshing with driving sprocket, and the driving sprocket is powered by motor or other driving equipment, and the conveying clamping chain is also supported by other working sprocket, the problem existing in the prior art is that the just harvested garlic is adhered with soil, and after the root treatment, the soil residue or garlic root and agricultural film weeds are easy to enter the rotating matching place of sprocket, and the sprocket is easy to be stuck after long-term use, so it is necessary to clean up, and if the sprocket is too much, it is troublesome to clean up and affects the harvesting efficiency. CONTENT OF UTILITY MODEL

[0003] To solve the technical problem that other working wheels except driving sprocket are stuck because of chain tooth structure, the utility model provides a chain conveying type garlic harvester anti - jamming structure.

[0004] The utility model discloses a chain conveying type garlic harvester anti - jamming structure, including support plate 1, the support plate 1 is set up the conveying clamping chain 2 of cyclic motion, the conveying clamping chain 2 engages driving sprocket 3, and the conveying clamping chain 2 is connected with at least one gearless wheel 4 without having chain tooth structure, and the gearless wheel 4 is connected support plate 1, the outer circumferential ring of the gearless wheel 4 is connected with the link inner ring of conveying clamping chain 2, and the conveying clamping chain 2 is positioned.

[0005] Further, the outer circumferential ring of the gearless wheel 4 is connected with the link inner ring of the conveying clamping chain 2, that is, the link includes two side shaft plates, and the rollers are rotatably connected between the two shaft plates, the gearless wheel 4 is provided with a convex ring 421, the thickness of the convex ring 421 is less than the distance between the two shaft plates, and the convex ring 421 is located between the two shaft plates and abuts against the rollers, so that the two shaft plates are located at both ends of the convex ring 421 for limiting.

[0006] Further, the gearless wheel 4 comprises an inner cylinder 41 and an outer wheel 42, the convex ring 421 is fixed to the outer periphery of the outer wheel 42, the bearing 43 is arranged between the inner cylinder 41 and the outer wheel 42, the first eaves 411 of the inner cylinder 41 extends towards the outer wheel 42 at one end, the gap between the first eaves 411 and the outer wheel 42 is less than 5mm, the other end of the inner cylinder 41 is fixedly connected with the protective cover 44, the second eaves 441 of the protective cover 44 extends towards the outer wheel 42, the gap between the second eaves 441 and the outer wheel 42 is less than 5mm.

[0007] Further, the support plate 1 is rotationally connected with the mounting frame 5, the torsion spring is arranged between the mounting frame 5 and the support plate 1, the mounting frame 5 is rotationally connected with the tension sprocket 51, and the tension sprocket 51 is engaged with the conveying and clamping chain 2.

[0008] Compared with the prior art, the utility model discloses other working wheels except the driving sprocket are changed into gearless wheels without chain tooth structure, even if the gearless wheel is stuck, because of the characteristics of the chain (each chain link has rotatable rollers), the chain can move with the stuck gearless wheel, and the stuck point is reduced to only the driving sprocket, so that the troubleshooting and cleaning work after being stuck are facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 It is the internal structure schematic view of conveying mechanism;

[0010] Figure 2 It is the partial enlarged view of conveying mechanism;

[0011] Figure 3 It is the structure schematic view of gearless wheel;

[0012] Figure 4 It is the sectional view of gearless wheel and the schematic view when being matched with chain link;

[0013] Figure 5 It is the explosion view of gearless wheel.

[0014] Among them, the support plate 1, the conveying and clamping chain 2, the driving sprocket 3, the gearless wheel 4, the inner cylinder 41, the first eaves 411, the outer wheel 42, the convex ring 421, the bearing 43, the protective cover 44, the second eaves 441, the mounting frame 5, the tension sprocket 51. DETAILED DESCRIPTION

[0015] The technical scheme in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the range protected by the utility model.

[0016] In the utility model, unless another explicit provision and limitation, the orientation or position relation indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" are based on the orientation or position relation shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, cannot be understood as the limitation of the utility model.

[0017] As shown in the accompanying drawings, Figures 1-2 A chain conveying type garlic harvester anti-blocking structure, including support plate 1, the support plate 1 is provided with circulating motion conveying clamping chain 2, conveying clamping chain 2 engages driving sprocket 3, driving sprocket 3 is connected by fixed connection sprocket shaft, sprocket shaft connects power source, driving sprocket 3 itself is transmission connection between support plate 1, conveying clamping chain 2 is cooperatively connected with at least one gearless gear 4 without tooth structure, gearless gear 4 is connected with support plate 1, the outer circumferential ring of the gearless gear 4 is connected with the inner ring of the link of the conveying clamping chain 2, and the conveying clamping chain 2 is positioned, and the gearless gear 4 is arranged on the support plate 1 and is preferably rotationally connected with the support plate 1.

[0018] Further, the outer circumferential ring of the gearless gear 4 is connected with the inner ring of the link of the conveying clamping chain 2, that is, Figure 4 As shown in the accompanying drawings: the link includes two side shaft connecting plates, and a roller rotationally connected between the two shaft connecting plates, the conveying clamping chain 2 and the link structure can be the prior art, which is a common chain link structure in life, and the present scheme does not involve improvement of the chain link structure, the gearless gear 4 is provided with a convex ring 421, the thickness of the convex ring 421 is less than the spacing between the two shaft connecting plates, the convex ring 421 is located between the two shaft connecting plates and abuts against the roller, so that the two shaft connecting plates are positioned at both ends of the convex ring 421, and support is formed at a place of the conveying clamping chain 2.

[0019] The number of gearless gears 4 can be only one, that is, the driving sprocket 3 simultaneously provides power and support at one end of the conveying clamping chain 2, and one gearless gear 4 provides support at the other end of the conveying clamping chain 2; the gearless gears 4 can also be multiple, for example, Figure 1 As shown in the accompanying drawings, the driving sprocket 3 only provides power under the condition of meeting the wrap angle requirement, two gearless gears 4 provide support at both ends, and at least one gearless gear 4 guides at other positions of the conveying clamping chain 2.

[0020] Further, as shown in the accompanying drawings, Figures 3-5As shown, the gearless gear 4 includes an inner cylinder 41 and an outer wheel 42, a convex ring 421 is fixed to the outer periphery of the outer wheel 42, a bearing 43 is arranged between the inner cylinder 41 and the outer wheel 42, that is, a plurality of rotating relationships, not only relying on the rollers of the chain links to rotate, one end of the inner cylinder 41 extends towards the outer wheel 42 First eaves 411, the gap between the first eaves 411 and the outer wheel 42 is less than 5mm, the closer to 0 is better, that is, to reduce the probability of dirt entering the bearing, the other end of the inner cylinder 41 is fixedly connected with the protective cover 44, the inner cylinder 41 and the protective cover 44 can be sleeved and further welded, or can be clamped and fixed, the protective cover 44 extends towards the outer wheel 42 Second eaves 441, the gap between the second eaves 441 and the outer wheel 42 is less than 5mm, the closer to 0 is better, that is, to reduce the probability of dirt entering the bearing; wherein the inner cylinder 41 is fixedly connected with a shaft, which can be fixedly connected with the support plate 1 or rotatably connected with the support plate 1.

[0021] Further, the support plate 1 is rotatably connected with the mounting frame 5, a torsion spring is arranged between the mounting frame 5 and the support plate 1, the mounting frame 5 is rotatably connected with the tension sprocket 51, the tension sprocket 51 is engaged with the conveying and clamping chain 2, although the tension sprocket 51 is a sprocket structure, but due to the arrangement of the torsion spring on the mounting frame 5, it mainly plays an adaptive tensioning role for the conveying and clamping chain 2, even if it is stuck, it will be bounced away by the movement of the conveying and clamping chain 2, the cooperation position of the tension sprocket 51 and the conveying and clamping chain 2 is mainly distributed on the clamping channels formed between the two conveying and clamping chains 2 of the two support plates 1.

[0022] In use, if the problem of jamming occurs, the driving sprocket 3 is checked first, and even if the gearless gear 4 is jammed, it will not affect the normal operation of the conveying and clamping chain 2 due to the characteristics of the chain links, and the gearless gear 4 can be cleaned or replaced after a plurality of gearless gears 4 are jammed.

[0023] The above only describes preferred embodiments of the present application, and it should be pointed out that for those skilled in the art, without departing from the overall concept of the present application, some changes and improvements can be made, which should also be considered as the protection range of the present application.

Claims

1. A chain conveyor type garlic harvester anti-jamming structure, comprising a support plate (1), wherein a conveyor clamping chain (2) is provided on the support plate (1) for cyclic movement, the conveyor clamping chain (2) engaging a drive sprocket (3), characterized in that: The conveying clamping chain (2) is connected to at least one gearless (4) without chain teeth. The gearless (4) is connected to the support plate (1). The outer circumference of the gearless (4) is connected to the inner ring of the chain link of the conveying clamping chain (2) to position the conveying clamping chain (2).

2. The anti-jamming structure for a chain conveyor garlic harvester as described in claim 1, characterized in that: The outer circumference of the gearless (4) is connected to the inner ring of the conveyor clamping chain (2). The chain link includes the connecting plates on both sides and the rollers that rotate between the two connecting plates. The outer circumference of the gearless (4) is provided with a convex ring (421). The thickness of the convex ring (421) is less than the distance between the two connecting plates. The convex ring (421) is located between the two connecting plates and abuts against the rollers, so that the two connecting plates are respectively located at the two ends of the convex ring (421) for limiting.

3. The anti-jamming structure for a chain conveyor garlic harvester as described in claim 2, characterized in that: The gearless (4) includes an inner cylinder (41) and an outer wheel (42). A convex ring (421) is fixed to the outer circumference of the outer wheel (42). A bearing (43) is provided between the inner cylinder (41) and the outer wheel (42). One end of the inner cylinder (41) extends outward toward the outer wheel (42) with a first outer eave (411). The gap between the first outer eave (411) and the outer wheel (42) is less than 5 mm. The other end of the inner cylinder (41) is fixedly connected to a protective cover (44). The protective cover (44) extends outward toward the outer wheel (42) with a second outer eave (441). The gap between the second outer eave (441) and the outer wheel (42) is less than 5 mm.

4. The anti-jamming structure for a chain conveyor garlic harvester as described in claim 1, characterized in that: The mounting frame (5) is rotatably connected to the support plate (1). A torsion spring is provided between the mounting frame (5) and the support plate (1). A tension sprocket (51) is rotatably connected to the mounting frame (5). The tension sprocket (51) engages with the conveying clamping chain (2).

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