Crop conveying mechanism for highland barley harvester

Abstract

The crop conveying mechanism for the highland barley harvester comprises a roller and a plurality of sets of auxiliary conveying mechanisms distributed in the axial direction of the roller in a scattered mode, and the multiple auxiliary conveying mechanisms in each set are arranged in a circumferential array mode relative to the center axis of the roller; the roller is fixedly provided with a pipe part which is arranged aiming at each auxiliary conveying mechanism; the auxiliary conveying mechanism comprises a movable hinge head rotationally installed at the end of the pipe part and further comprises a rod piece, and one end of the rod piece is connected with the movable hinge head. The auxiliary conveying mechanism further comprises a telescopic rod capable of sliding and rotating relative to the pipe part. A first pin shaft is arranged at the outer end of the telescopic rod, and a first strip-shaped hole allowing the first pin shaft to be placed in is formed in the rod piece; and a first driving mechanism for driving the telescopic rod to do telescopic motion and a second driving mechanism for driving the telescopic rod to rotate are mounted on the roller. According to the crop conveying mechanism, the regularity of highland barley crops can be kept after the highland barley crops are cut off by the cutting knife, and follow-up treatment is facilitated.

Description

Technical Field

[0001] The present invention relates to the technical field of highland barley harvesting, and particularly to a crop conveying mechanism for a highland barley harvester. Background Art

[0002] As an important crop, highland barley has irreplaceable economic and nutritional value in plateau areas and is one of the main food sources for local residents. With the advancement of agricultural modernization, mechanized harvesting has become a key way to improve production efficiency and reduce labor intensity. However, traditional highland barley harvesters usually use traditional reel structures shown in Patent CN 204157300 U and the like to guide and move crops. Although this design can complete the operation tasks to a certain extent, there are obvious deficiencies: First, it is difficult to precisely control the contact force on highland barley crops during the operation of the reel, which easily causes crop lodging or damage, thus affecting the harvesting quality; Second, due to the design limitations of the reel, it cannot ensure the neatness of the crops after being cut, bringing inconvenience to subsequent processes such as drying and threshing. Summary of the Invention

[0003] Object of the Invention: In order to overcome the deficiencies in the prior art, the present invention provides a crop conveying mechanism for a highland barley harvester that can maintain the neatness of the crops after being cut.

[0004] Technical Solution: To achieve the above object, the crop conveying mechanism for a highland barley harvester of the present invention includes a drum and multiple groups of auxiliary conveying mechanisms dispersedly arranged in the axial direction of the drum. A plurality of auxiliary conveying mechanisms in each group are circumferentially arrayed relative to the central axis of the drum;

[0005] The drum is fixed with a pipe portion provided for each of the auxiliary conveying mechanisms; the auxiliary conveying mechanism includes a movable hinge joint rotatably installed at the end of the pipe portion, and further includes a rod member, one end of the rod member is connected to the movable hinge joint;

[0006] The auxiliary conveying mechanism further includes a telescopic rod that can slide and rotate relative to the pipe portion; the outer end of the telescopic rod has a first pin shaft, and the rod member has a first elongated hole for the first pin shaft to be inserted into;

[0007] A first driving mechanism for driving the telescopic rod to perform telescopic movement and a second driving mechanism for driving the telescopic rod to rotate are installed on the drum.

[0008] Further, the first driving mechanism includes a first driving rod rotatably connected to the inner end of the telescopic rod, and all the telescopic rods corresponding to all the auxiliary conveying mechanisms in the same row are connected to the same first driving rod;

[0009] The first driving rod can slide in the radial direction of the drum.

[0010] Furthermore, a first roller is installed at the end of the first driving rod; a disk cam fixedly installed relative to the frame is installed at the end of the drum, and the drum is rotatably installed relative to the frame; the first roller can move in the groove of the disk cam.

[0011] When the drum rotates, the first roller can move along the groove in the disk cam, enabling the rod to rotate relative to the movable hinge joint to switch between a retracted state and an extended state. In the retracted state, the open end of the rod abuts against the outer wall of the drum. In this way, when the drum rotates, the extra space occupied by the rod is less. When the pipe part corresponding to the rod passes through the lowest point, it is in the retracted state, so that the drum can be lowered to a lower position.

[0012] Furthermore, the second driving mechanism includes a control handle that can axially slide relative to the telescopic rod and cannot circumferentially rotate relative to the telescopic rod; a second strip-shaped hole is provided at the end of the control handle; the second driving mechanism further includes a second driving rod extending along the axial direction of the drum; a plurality of second pin shafts are installed on the second driving rod, and the number of second pin shafts is equal to the number of auxiliary conveying mechanisms in the same row. The second pin shafts extend into the corresponding second strip-shaped holes of the auxiliary conveying mechanisms; the second driving rod can slide in the axial direction of the drum.

[0013] Furthermore, an axial cam fixed relative to the frame is installed at one end of the drum, and a second roller is installed at the end of the second driving rod; a spring is provided between the second driving rod and the drum to keep the second roller in constant contact with the cam surface of the axial cam.

[0014] With the above structure, when the drum rotates and the second roller rolls along the cam surface, the rod can be switched between the extended state and the horizontal state. In the extended state, the rod is perpendicular to the axial direction of the drum, and in the horizontal state, the rod is parallel to the axial direction of the drum.

[0015] During operation, there is a cutter under the drum. When the drum rotates, the auxiliary conveying mechanism rotates with the drum. When the auxiliary conveying mechanism is located at the rear side of the drum, its rods are in the retracted state. When it moves forward and upward after passing through the lowest point of the drum, it can intervene between the highland barley crops from the lower side and can play a certain role in guiding the crops. When the auxiliary conveying mechanism reaches the front side of the drum, the disc cam first makes the telescopic rod retract through the first driving rod, causing the rods to change to the deployed state. Then, the axial cam immediately makes the telescopic rod rotate through the second driving rod, causing the rods to change to the horizontal state. In this way, the rods horizontally intervene between the highland barley crops. After the cutter cuts the highland barley crops, the rods keep the crops on the drum and move them to the upper side with the drum. The highland barley crops are taken away by the conveying mechanism installed at the rear side of the upper end of the drum. In this way, the highland barley crops are neatly arranged, facilitating subsequent processing. After the highland barley crops are taken away, the second driving mechanism first makes the rods change to the deployed state, and then the first driving mechanism makes the rods change to the retracted state.

[0016] Beneficial effects: The crop conveying mechanism for a highland barley harvester of the present invention has the following beneficial effects:

[0017] By adopting the crop conveying mechanism for a highland barley harvester of the present invention, the rods thereof can be switched between the retracted state, the deployed state, and the horizontal state, enabling the rods to intervene between the highland barley crops in the retracted state and successively change to the deployed state and the horizontal state to keep the highland barley crops between the drum and the rods, maintaining the neatness of the highland barley crops after the cutter cuts them, and facilitating subsequent processing. Description of the Drawings

[0018] Figure 1 It is a front view structure diagram of the crop conveying mechanism for a highland barley harvester;

[0019] Figure 2 It is a side view structure diagram of the crop conveying mechanism for a highland barley harvester;

[0020] Figure 3 It is a three-dimensional structure diagram of the crop conveying mechanism for a highland barley harvester;

[0021] Figure 4 It is a combined structure diagram of the auxiliary conveying mechanism, the first driving mechanism, and the second driving mechanism;

[0022] Figure 5 For Figure 1 The A-A cross-sectional view in

[0023] In the figure: 1 - roller; 2 - pipe part; 3 - movable hinge joint; 4 - rod; 4a - first strip-shaped hole; 5 - telescopic rod; 5a - first pin shaft; 6 - first driving mechanism; 61 - first driving rod; 62 - first roller; 63 - disc cam; 63a - groove; 7 - second driving mechanism; 71 - control handle; 72 - second driving rod; 73 - second pin shaft; 74 - second roller; 75 - spring; 76 - axial cam. Detailed implementation mode

[0024] The present invention will be further described below with reference to the accompanying drawings.

[0025] As Figures 1 to 3 shown, the crop conveying mechanism for a highland barley harvester includes a roller 1 and multiple groups of auxiliary conveying mechanisms that are dispersedly arranged in the axial direction of the roller 1, and a plurality of auxiliary conveying mechanisms in each group are circumferentially arrayed with respect to the central axis of the roller 1;

[0026] As Figure 4 shown, the roller 1 is fixed with a pipe part 2 provided for each of the auxiliary conveying mechanisms; the auxiliary conveying mechanism includes a movable hinge joint 3 rotatably installed at the end of the pipe part 2, and further includes a rod 4, and one end of the rod 4 is connected to the movable hinge joint 3;

[0027] The auxiliary conveying mechanism further includes a telescopic rod 5 that can slide and rotate relative to the pipe part 2; the outer end of the telescopic rod 5 has a first pin shaft 5a, and the rod 4 has a first strip-shaped hole 4a for the first pin shaft 5a to be inserted into;

[0028] A first driving mechanism 6 for driving the telescopic rod 5 to perform telescopic movement and a second driving mechanism 7 for driving the telescopic rod 5 to rotate are installed on the roller 1.

[0029] Preferably, the first driving mechanism 6 includes a first driving rod 61 rotatably connected to the inner end of the telescopic rod 5, and all the telescopic rods 5 corresponding to all the auxiliary conveying mechanisms in the same row are connected to the same first driving rod 61;

[0030] The first driving rod 61 can slide in the radial direction of the roller 1.

[0031] Preferably, a first roller 62 is installed at the end of the first driving rod 61; a disc cam 63 fixedly installed relative to the frame is installed at the end of the roller 1, and the roller 1 is rotatably installed relative to the frame; as Figure 5 shown, the first roller 62 can move in the groove 63a of the disc cam 63.

[0032] When the drum 1 rotates, the first roller 62 can move along the groove in the disc cam 63, enabling the rod 4 to rotate relative to the movable hinge joint 3 to switch between a retracted state and a deployed state. In the retracted state, the open end of the rod 4 abuts against the outer wall of the drum 1. Thus, when the drum 1 rotates, the space occupied by the rod 4 is less. When the pipe portion 2 corresponding to the rod 4 passes through the lowest point, it is in the retracted state, and thus the drum 1 can be lowered to a lower position.

[0033] Preferably, the second driving mechanism 7 includes a control handle 71 that can axially slide relative to the telescopic rod 5 and cannot circumferentially rotate relative to the telescopic rod 5; the end of the control handle 71 has a second slot; the second driving mechanism 7 further includes a second driving rod 72 extending along the axis of the drum 1; a plurality of second pin shafts 73 are installed on the second driving rod 72, and the number of the second pin shafts 73 is equal to the number of the auxiliary conveying mechanisms in the same row. The second pin shafts 73 extend into the second slots of the corresponding auxiliary conveying mechanisms; the second driving rod 72 can slide axially on the drum 1.

[0034] Preferably, an axial cam 76 fixed relative to the frame is installed at one end of the drum 1; a second roller 74 is installed at the end of the second driving rod 72; a spring 75 is arranged between the second driving rod 72 and the drum 1 to keep the second roller 74 in constant contact with the cam surface of the axial cam 76.

[0035] With the above structure, when the drum 1 rotates and the second roller 74 rolls along the cam surface, the rod 4 can be switched between a deployed state and a horizontal state. In the deployed state, the rod 4 is perpendicular to the axis of the drum 1, and in the horizontal state, the rod 4 is parallel to the axis of the drum 1.

[0036] During operation, a cutter is provided below the drum 1. When the drum 1 rotates, the auxiliary conveying mechanism rotates along with the drum 1. When the auxiliary conveying mechanism is located at the rear side of the drum 1, its rod member 4 is in a retracted state. When it moves forward and upward after passing through the lowest point of the drum 1, it can intervene between the highland barley crops from the lower side and can play a certain role in guiding the crops. When the auxiliary conveying mechanism reaches the front side of the drum 1, the disc cam 63 first causes the telescopic rod 5 to retract through the first driving rod 61, making the rod member 4 change to an extended state. Then, the axial cam 76 immediately causes the telescopic rod 5 to rotate through the second driving rod 72, making the rod member 4 change to a horizontal state. In this way, the rod member 4 horizontally intervenes between the highland barley crops. After the cutter cuts off the highland barley crops, the rod member 4 holds the crops on the drum 1 and moves with the drum 1 to the upper side. The highland barley crops are taken away by the conveying mechanism installed at the rear side of the upper end of the drum 1. In this way, the highland barley crops are neatly arranged, facilitating subsequent processing. After the highland barley crops are taken away, the second driving mechanism 7 first makes the rod member 4 change to an extended state, and then the first driving mechanism 6 makes the rod member 4 change to a retracted state.

[0037] By adopting the crop conveying mechanism for the highland barley harvester of the present invention, the rod member 4 can switch between a retracted state, an extended state, and a horizontal state, enabling the rod member 4 to intervene between the highland barley crops in the retracted state and successively change to the extended state and the horizontal state to hold the highland barley crops between the drum 1 and the rod member 4, maintaining the neatness of the highland barley crops after the cutter cuts them, and facilitating subsequent processing.

[0038] The above are only the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present invention.

Claims

1. A crop conveying mechanism for a highland barley harvester, comprising a drum (1) and a plurality of groups of auxiliary conveying mechanisms dispersedly arranged in the axial direction of the drum (1), wherein the plurality of auxiliary conveying mechanisms in each group are arranged in a circular array relative to the central axis of the drum (1); characterized in that: The roller (1) is fixed with a tube (2) provided for each auxiliary conveying mechanism; the auxiliary conveying mechanism comprises a movable hinge (3) rotatably mounted on the end of the tube (2), and also comprises a rod (4), one end of the rod (4) being connected to the movable hinge (3); The auxiliary conveying mechanism further comprises a telescopic rod (5) capable of sliding and rotating relative to the tube (2); the outer end of the telescopic rod (5) comprises a first pin shaft (5a), and the rod member (4) comprises a first strip-shaped hole (4a) for the first pin shaft (5a) to be inserted; The roller (1) is provided with a first driving mechanism (6) for driving the telescopic rod (5) to perform telescopic movement, and a second driving mechanism (7) for driving the telescopic rod (5) to rotate.

2. The crop conveying mechanism for a highland barley harvester according to claim 1, characterized in that: The first driving mechanism (6) comprises a first driving rod (61) rotatably connected to the inner end of the telescopic rod (5), and all the telescopic rods (5) corresponding to all the auxiliary conveying mechanisms in the same row are connected to the same first driving rod (61); The first driving rod (61) is capable of sliding in the radial direction of the drum (1).

3. The crop conveying mechanism for a highland barley harvester according to claim 2, characterized in that: A first roller (62) is mounted on the end of the first driving rod (61); a disc cam (63) fixedly mounted relative to the frame is mounted on the end of the roller (1), and the roller (1) is rotatably mounted relative to the frame; the first roller (62) is capable of moving in a groove of the disc cam (63).

4. The crop conveying mechanism for a highland barley harvester according to claim 2, characterized in that: The second driving mechanism (7) comprises a control handle (71) which can slide axially relative to the telescopic rod (5) and cannot rotate circumferentially relative to the telescopic rod (5); the end of the control handle (71) has a second strip hole; the second driving mechanism (7) also comprises a second driving rod (72) extending along the axial direction of the roller (1); a plurality of second pin shafts (73) are mounted on the second driving rod (72), the number of the second pin shafts (73) is equal to the number of auxiliary conveying mechanisms in the same row, and the second pin shafts (73) extend into the second strip holes of the corresponding auxiliary conveying mechanisms; the second driving rod (72) can slide in the axial direction of the roller (1).

5. The crop conveying mechanism for a highland barley harvester according to claim 4, characterized in that: An axial cam (76) fixed relative to the frame is installed at one end of the roller (1), and a second roller (74) is installed at the end of the second driving rod (72); a spring (75) is arranged between the second driving rod (72) and the roller (1) to keep the second roller (74) and the cam surface of the axial cam (76) in constant contact.

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