Adjustable seedling pulling mechanism for small harvester

Abstract

An adjustable reel mechanism for a small harvester comprises a header body, a reel and adjusting mechanisms, the two adjusting mechanisms are installed on the two sides of a feeding opening of the header body respectively, and the reel is connected between the two adjusting mechanisms; the adjusting mechanism comprises a base plate, an adjusting arm, a supporting arm and an adjusting seat; the base plate is connected to the header body, a hinge seat is arranged at the upper end of the base plate, and a locking seat is arranged at the lower end of the base plate; the inner ends of the adjusting arms are hinged to the hinge seats, a plurality of depth adjusting areas are arranged on the adjusting arms in the axial direction, the adjusting seats can be fixedly connected to the depth adjusting areas, and the reels are connected between the two adjusting seats; the upper end of the supporting arm is hinged to the middle of the adjusting arm, the lower section of the supporting arm is provided with a plurality of height adjusting areas in the axial direction, and the height adjusting areas can be fixedly connected with the locking base. The whole structure is simple, the adjusting mechanisms are arranged on the two sides of the feeding opening of the header body, the reel is connected between the two adjusting mechanisms, the position of the reel can be flexibly adjusted according to different types of crops, and the reel can make contact with the crops more accurately.

Description

Technical Field

[0001] The utility model relates to the field of harvesters, in particular to an adjustable straw-pulling mechanism for a small-sized harvester. Background Art

[0002] Small harvesters are designed for harvesting crops such as wheat, rice, and soybeans. The reel is a component of the harvester. During the harvesting operation, the reel rotates and moves to assist in sending the rice and wheat crops cut off at the bottom into the feeding port, so that the crops can smoothly enter the threshing drum, thus facilitating subsequent processing.

[0003] At present, the reel wheel on small harvesters adopts a fixed structure, which is applicable to a single scene. When facing crops of different types or heights, it cannot be flexibly adjusted, resulting in reduced efficiency when handling different crops, blockage or poor operation effect. Therefore, in order to solve the above problems, an adjustable reel wheel mechanism for small harvesters is needed. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model proposes an adjustable straw-pulling mechanism for a small harvester, and the specific technical scheme is as follows:

[0005] An adjustable reed-pulling mechanism for a small harvester, characterized in that:

[0006] It includes a header body, a reel and an adjustment mechanism, wherein two groups of adjustment mechanisms are respectively installed on both sides of the feeding port of the header body, and the reel is connected between the two groups of adjustment mechanisms;

[0007] The adjustment mechanism comprises a base plate, an adjustment arm, a support arm and an adjustment seat;

[0008] The base plate is connected to the header body, an upper end of the base plate is provided with a hinge seat, and a lower end of the base plate is provided with a locking seat;

[0009] The inner end of the adjusting arm is hinged on the hinge seat, a plurality of depth adjusting areas are axially arranged on the adjusting arm, the adjusting seat can be fixedly connected to the depth adjusting area, and the reel is connected between two of the adjusting seats;

[0010] The upper end of the support arm is hinged to the middle part of the adjustment arm, and the lower section of the support arm is axially provided with a plurality of height adjustment areas, and the height adjustment areas can be fixedly connected to the locking seat.

[0011] In order to better realize the utility model, it can be further as follows: a height positioning hole is opened on the height adjustment area, and a first locking hole is opened on the base plate. When the height positioning hole is coaxial with the first locking hole, the connection between the support arm and the base plate is achieved by inserting the locking pin into the height positioning hole and the first locking hole.

[0012] Furthermore: the adjustment arm includes a first adjustment section and a second adjustment section, the second adjustment section is bent relative to the first adjustment section so that the adjustment arm forms a V-shaped structure, the first adjustment section is hinged on the hinge seat, and the plurality of depth sections are evenly arranged axially along the second adjustment section.

[0013] Further:

[0014] A depth positioning hole is provided on the depth adjustment area, and a second locking hole is provided on the adjustment seat. When the depth positioning hole is coaxial with the second locking hole, the connection between the adjustment arm and the adjustment seat is achieved by inserting the locking pin into the depth positioning hole and the second locking hole.

[0015] Furthermore: a clamping bracket is connected to the adjusting arm on one side of the transmission system of the header body, and a belt tensioning wheel is connected to the clamping bracket.

[0016] The utility model has the following beneficial effects: the overall structure is simple, adjustment mechanisms are arranged on both sides of the feeding port of the header body, and the reel is connected between the two groups of adjustment mechanisms, so that the position of the reel can be flexibly adjusted according to different types of crops, so as to contact the crops more accurately, effectively transfer the crops cut off at the bottom into the feeding port, reduce crop losses, and thus improve work efficiency. Reduce blockage. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is the overall structure diagram of the utility model;

[0018] Figure 2 It is a schematic diagram of the connection between the header body and the adjustment structure;

[0019] Figure 3 To regulate the structure diagram of the mechanism;

[0020] Figure 4 The structure diagram of the substrate;

[0021] The accompanying drawings in the figure illustrate the cutting table body 1, the transmission system 2, the reel 3, the adjustment mechanism 4, the feeding port 5, the base plate 6, the hinge seat 7, the locking seat 8, the first locking hole 9, the adjusting arm 10, the first adjusting section 10-1, the second adjusting section 10-2, the depth positioning hole 11, the support arm 12, the height positioning hole 13, the adjusting seat 14, the second locking hole 15, the clamping bracket 16, and the belt tensioning wheel 17. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] In the description of the present utility model, it should be noted that the terms "vertical", "upper", "lower", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present utility model. In addition, "first", "second", "third", and "fourth" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0024] like Figures 1 to 4 As shown:

[0025] An adjustable reel mechanism for a small harvester comprises a harvesting platform body 1, a reel wheel 3 and an adjusting mechanism 4. Two sets of adjusting mechanisms 4 are respectively installed on both sides of a feeding port 5 of the harvesting platform body 1, and the reel wheel 3 is connected between the two sets of adjusting mechanisms 4.

[0026] The adjusting mechanism 4 comprises a base plate 6, an adjusting arm 10, a supporting arm 12 and an adjusting seat 14. The base plate 6 is connected to the header body 1. The upper end of the base plate 6 is provided with a hinge seat 7, and the lower end of the base plate 6 is provided with a locking seat 8.

[0027] The inner end of the adjusting arm 10 is hinged on the articulated seat 7. The adjusting arm 10 includes a first adjusting section 10-1 and a second adjusting section 10-2. The second adjusting section 10-2 is bent relative to the first adjusting section 10-1 so that the adjusting arm 10 forms a V-shaped structure. The first adjusting section 10-1 is hinged on the articulated seat 7. Five depth adjustment areas are axially arranged along the second adjustment section 10-2. The adjusting seat 14 can be fixedly connected to the depth adjustment area by a locking member.

[0028] Specifically, a depth positioning hole 11 is opened on the depth adjustment area, and a second locking hole 15 is opened on the adjustment seat 14. When the depth positioning hole 11 is coaxial with the second locking hole 15, the connection between the adjustment arm 10 and the adjustment seat 14 is achieved by inserting the locking pin into the depth positioning hole 11 and the second locking hole 15, and the reel 3 is installed between the two adjustment seats 14.

[0029] A clamping bracket 16 is connected to the adjusting arm 10 on one side of the transmission system 2 of the header body 1 , and a belt tensioning wheel 17 is connected to the clamping bracket 16 .

[0030] The upper end of the support arm 12 is hinged to the middle of the adjustment arm 10 , and the lower section of the support arm 12 is axially provided with three height adjustment areas, which can be fixedly connected to the locking seat 8 .

[0031] A height positioning hole 13 is opened on the height adjustment area, and a first locking hole 9 is opened on the base plate 6. When the height positioning hole 13 is coaxial with the first locking hole 9, the connection between the support arm 12 and the base plate 6 is achieved by inserting the locking pin into the height positioning hole 13 and the first locking hole 9.

[0032] The principle of the utility model is as follows: the reel 3 is connected between two groups of adjustment mechanisms 4, the adjustment arm 10 can rotate around the hinge seat 7, the lower section of the support arm 12 is provided with three height adjustment areas along the axial direction, and the height adjustment area is provided with a height positioning hole 13. When the height of the reel 3 needs to be adjusted, after selecting the required height adjustment area, the locking pin fixes the height adjustment area on the locking seat 8, so that the support arm 12 supports and fixes the adjustment arm 10. When the depth of the reel 3 relative to the feeding port 5 needs to be adjusted, the second adjustment section 10-2 is provided with five depth adjustment areas along the axial direction, the corresponding depth adjustment area is selected, and the locking pin fixes the adjustment seat 14 on the depth adjustment area, so that the reel 3 maintains a suitable position relative to the feeding port 5.

[0033] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0034] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An adjustable reed-pulling mechanism for a small harvester, characterized in that: It includes a header body, a reel and an adjustment mechanism, wherein two groups of adjustment mechanisms are respectively installed on both sides of the feeding port of the header body, and the reel is connected between the two groups of adjustment mechanisms; The adjustment mechanism comprises a base plate, an adjustment arm, a support arm and an adjustment seat; The base plate is connected to the header body, the upper end of the base plate is provided with a hinge seat, and the lower end of the base plate is provided with a locking seat; The inner end of the adjusting arm is hinged on the hinge seat, a plurality of depth adjusting areas are axially arranged on the adjusting arm, the adjusting seat can be fixedly connected to the depth adjusting area, and the reel is connected between two of the adjusting seats; The upper end of the support arm is hinged to the middle part of the adjustment arm, and the lower section of the support arm is axially provided with a plurality of height adjustment areas, and the height adjustment areas can be fixedly connected to the locking seat.

2. The adjustable reed-pulling mechanism for a small harvester according to claim 1, characterized in that: A height positioning hole is provided on the height adjustment area, and a first locking hole is provided on the base plate. When the height positioning hole is coaxial with the first locking hole, the connection between the support arm and the base plate is achieved by inserting a locking pin into the height positioning hole and the first locking hole.

3. The adjustable reed-pulling mechanism for a small harvester according to claim 2, characterized in that: The adjustment arm includes a first adjustment section and a second adjustment section, the second adjustment section is bent relative to the first adjustment section so that the adjustment arm forms a V-shaped structure, the first adjustment section is hinged on the hinge seat, and the multiple depth adjustment areas are evenly arranged axially along the second adjustment section.

4. The adjustable reed-pulling mechanism for a small harvester according to claim 3, characterized in that: A depth positioning hole is provided on the depth adjustment area, and a second locking hole is provided on the adjustment seat. When the depth positioning hole is coaxial with the second locking hole, the connection between the adjustment arm and the adjustment seat is achieved by inserting the locking pin into the depth positioning hole and the second locking hole.

5. The adjustable reed-pulling mechanism for a small harvester according to claim 4, characterized in that: A clamping bracket is connected to the adjusting arm on one side of the transmission system of the header body, and a belt tensioning wheel is connected to the clamping bracket.

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