Harvester auger and harvester

Abstract

The harvester auger comprises a first auger body, an input belt wheel and a safety clutch assembly, the first auger body comprises an auger shaft, the auger shaft is sleeved with the safety clutch assembly, and the safety clutch assembly is used for connecting or disconnecting the input belt wheel and the auger shaft. The safety clutch assembly comprises an inner clutch, an outer clutch, a compression spring, a compression gasket and a compression nut, the inner clutch is connected with the input belt wheel and rotates along with the input belt wheel, the outer clutch is connected with the inner clutch to drive the auger shaft to rotate, and the outer clutch and the inner clutch are disconnected to disconnect rotation of the auger shaft. According to the harvester auger and the harvester, auger damage caused by the fact that the first auger still rotates after being blocked can be avoided, reliability of the harvester is improved, and the failure rate and maintenance cost of the harvester are reduced.

Description

Technical Field

[0001] The utility model relates to the field of agricultural machinery, in particular to a harvester auger. Background Art

[0002] In existing technology, crawler harvesters harvesting crops like wheat and rice often experience blockages in the threshing system or the auger system in the grain tank due to moisture in the crops harvested after rain or soil being harvested by the header when the crops fall. Although the belts have overload slip protection, the time constraints of harvesting quickly and the drive for economic efficiency mean that auger blockages cannot be detected and addressed in a timely manner, resulting in auger breakage, gear damage, or belt burns, increasing financial and time losses for users.

[0003] Therefore, it is necessary to provide a kind of harvester auger and harvester, to overcome the above-mentioned defectives. Utility Model Content

[0004] The purpose of the utility model is to provide a harvester auger and a harvester, so as to avoid damage to the auger due to failure to promptly handle the auger blockage, thereby improving the reliability of the harvester and reducing the failure rate and maintenance cost of the harvester.

[0005] According to one aspect of the utility model, a harvester auger is provided, comprising a first auger, an input pulley, and a safety clutch assembly, wherein the first auger comprises an auger shaft, the input pulley is used to drive the auger shaft to rotate, the safety clutch assembly is sleeved on the auger shaft, and the safety clutch assembly is used to connect or disconnect the input pulley and the auger shaft.

[0006] The safety clutch assembly includes an inner clutch, an outer clutch, a compression spring, a compression washer, and a compression nut. The inner clutch is connected to the input pulley and rotates with the input pulley. The outer clutch is connected to the inner clutch to drive the auger shaft to rotate. The outer clutch is disconnected from the inner clutch to disconnect the auger shaft from rotating. The outer clutch is placed on the side of the inner clutch relatively away from the auger blades. One end of the compression spring abuts against the outer clutch, the compression washer abuts against the other end of the compression spring, and the compression nut is placed at the end of the auger shaft and abuts against the compression washer. The above solution can avoid damage to the auger caused by the first auger still rotating after being blocked, thereby improving the reliability of the harvester and reducing the failure rate and maintenance cost of the harvester.

[0007] The above scheme can realize the separation of the outer clutch and the inner clutch, so that when a blockage occurs, the resistance torque generated by the blockage is greater than the separation torque set by the spring and is compressed. The resistance generated by the blockage moves the outer clutch along the auger shaft and separates it from the inner clutch, thereby disconnecting the power transmitted from the input pulley to the auger shaft, and the auger stops rotating, protecting the first auger from damage, while also avoiding damage to the input pulley and the belt.

[0008] Preferably, the inner clutch and the outer clutch are connected by teeth. When the first auger is blocked, the present invention helps to better achieve the separation of the inner clutch and the outer clutch.

[0009] Preferably, a first protrusion is provided at intervals on the end surface of the inner clutch relatively away from the auger blade, and a first recess is provided adjacent to the first protrusion.

[0010] Preferably, the end surface of the outer clutch facing the inner clutch is provided with a second protrusion at intervals, and a second concave portion is provided adjacent to the second protrusion. Furthermore, the inner clutch and the outer clutch are connected by tooth engagement.

[0011] Preferably, the first protrusion contacts the second concave portion, and the second protrusion contacts the first concave portion, so as to enable the inner clutch to drive the outer clutch to rotate.

[0012] Preferably, the first protruding portion and the first recessed portion together form a tooth insert, and the second protruding portion and the second recessed portion together form a tooth insert.

[0013] Preferably, the outer clutch can move along the axial direction of the auger shaft. Through the present application, the inner clutch connected to the input pulley is fixed along the axial direction of the auger shaft, and the outer clutch rotating synchronously with the auger shaft can move along the axis, which can ensure the stability of the transmission scheme.

[0014] Through this application, when the first auger is blocked, the resistance generated by the blockage will move the outer clutch along the auger shaft and separate it from the inner clutch. At this time, the input pulley drives the inner clutch to idle, and the inner clutch cannot drive the outer clutch to rotate synchronously, thus helping to protect the harvester auger.

[0015] Preferably, the end surface of the inner clutch relatively close to the auger blade further comprises a claw, which is engaged with the input pulley. The above solution helps to realize power transmission of the input pulley and improves the stability of the component matching.

[0016] Preferably, the harvester auger further comprises a bearing assembly sleeved on the auger shaft and located on a side of the input pulley relatively close to the auger portion, for supporting the first auger and the input pulley.

[0017] Preferably, the bearing assembly includes a bearing seat sleeved on the auger shaft, and a bearing radially arranged between the bearing seat and the auger shaft, and the bearing is sleeved on the auger shaft.

[0018] Preferably, the external clutch further comprises a first transmission tooth portion, and the auger shaft further comprises a second transmission tooth portion, wherein the first transmission tooth portion and the second transmission tooth portion are engaged with each other to rotate the first auger shaft. The above solution helps the external clutch to better transmit power to the first auger, thereby improving the stability of the engagement.

[0019] Preferably, the harvester auger further comprises a second auger arranged upright, and a steering assembly connected between the first auger and the second auger. The above solution can realize the transportation of materials.

[0020] Preferably, the present invention further provides a harvester comprising a driving unit, a harvesting unit disposed below the driving unit, a traveling unit disposed behind the harvesting unit, a working unit disposed behind the cab, and the harvester auger of the above embodiment. The harvester auger is disposed in the working unit and transfers harvested grains from a first auger to a second auger and finally to a designated location.

[0021] The utility model provides a harvester auger and a harvester, which transmit or disconnect the auger power through a safety clutch component. The resistance generated when a blockage occurs can be used to disconnect the auger power through the safety clutch component, which can better avoid the auger damage caused by the auger still rotating after being blocked, thereby improving the reliability of the harvester and reducing the failure rate and maintenance cost of the harvester. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments:

[0023] Figure 1 This is a cross-sectional view of a harvester auger;

[0024] Figure 2 for Figure 1 A partial enlarged view of position A in the middle;

[0025] Figure 3 for Figure 1 Exploded view of the A position in the middle;

[0026] Figure 4 is a schematic diagram of the clutch assembly;

[0027] Figure 5 A schematic diagram of an inner clutch from one perspective;

[0028] Figure 6 A schematic diagram showing another perspective of the internal clutch;

[0029] Figure 7 is a schematic diagram of the outer clutch;

[0030] Figure 8 This is a schematic diagram of the structure of the harvester auger;

[0031] Figure 9 A side view of a harvester.

[0032] Description of Figure Numbers:

[0033] 10. First auger; 20. Bearing assembly; 30. Input pulley; 40. Safety clutch assembly; 50. Steering assembly; 60. Second auger; 101. Auger shaft; 102. Auger blade; 201. Bearing seat; 202. Bearing; 401. Compression nut; 402. Compression washer; 403. Compression spring; 404. External clutch; 405. Internal clutch; 4051. First protrusion; 4052. First recess; 4053. Claw; 4041. Second protrusion; 4042. Second recess; 4043. First transmission gear; 1011. Second transmission gear; 1. Driving unit; 2. Harvesting unit; 3. Traveling unit; 4. Working unit; 100. Harvester auger; 200. Harvester. DETAILED DESCRIPTION

[0034] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0035] To simplify the drawings, only the parts relevant to the present invention are schematically shown in each figure. They do not represent the actual structure of the product. In addition, to simplify the drawings and facilitate understanding, in some figures, only one of the components with the same structure or function is schematically depicted or labeled. In this document, "one" not only means "only one" but also "more than one."

[0036] It should be further understood that the term "and / or" used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.

[0037] It should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they can refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediary; and internal communication between two components. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0038] In addition, in the description of the present application, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0039] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the specific implementation methods of the present invention will be described below with reference to the accompanying drawings. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings and other implementation methods can be obtained based on these drawings without inventive work.

[0040] See also Figures 1 to 8 As shown, this embodiment provides a harvester auger 100, including a first auger 10, an input pulley 30, and a safety clutch assembly 40. The first auger 10 includes an auger shaft 101, the input pulley 30 is used to drive the auger shaft 101 to rotate, and the safety clutch assembly 40 is sleeved on the auger shaft 101. The safety clutch assembly 40 is used to connect or disconnect the input pulley 30 and the auger shaft 101.

[0041] The safety clutch assembly 40 includes an inner clutch 405, an outer clutch 404, a compression spring 403, a compression washer 402, and a compression nut 401. The inner clutch is connected to the input pulley 30 and rotates with the input pulley 30. The outer clutch 404 is connected to the inner clutch 405 to drive the auger shaft 101 to rotate. The outer clutch 404 is disconnected from the inner clutch 405 to disconnect the rotation of the auger shaft 101. The outer clutch 404 is placed on the side of the inner clutch 405 relatively away from the auger blade 102. One end of the compression spring 403 abuts against the outer clutch 404. The compression washer 402 abuts against the other end of the compression spring 403. The compression nut 401 is placed on the end of the auger shaft 101 and abuts against the compression washer 402. The above solution can avoid damage to the auger caused by the first auger 10 still rotating after being blocked, thereby improving the reliability of the harvester and reducing the failure rate and maintenance cost of the harvester.

[0042] The above scheme can realize the separation of the outer clutch 404 and the inner clutch, so that when a blockage occurs, the resistance torque generated by the blockage is greater than the separation torque set by the spring and is compressed. The resistance generated by the blockage moves the outer clutch 404 along the auger shaft 101 and separates it from the inner clutch, thereby disconnecting the power transmitted from the input pulley 30 to the auger shaft 101, and the auger stops rotating, protecting the first auger 10 from damage, while also avoiding damage to the input pulley 30 and the belt.

[0043] The inner clutch 405 is connected to the outer clutch 404 by teeth. When the first auger 10 is blocked, the present invention helps to better realize the separation of the inner clutch and the outer clutch 404.

[0044] A first protrusion 4051 is provided at an interval on the end surface of the inner clutch 405 that is relatively far away from the auger blade 102 , and a first recessed portion 4052 is provided adjacent to the first protrusion 4051 .

[0045] The end surface of the outer clutch 404 facing the inner clutch 405 is provided with second protrusions 4041 at intervals, and a second recessed portion 4042 is provided adjacent to the second protrusions 4041 .

[0046] The first protrusion 4051 contacts the second concave portion 4042 , and the second protrusion 4041 contacts the first concave portion 4052 , so that the inner clutch 405 drives the outer clutch 404 to rotate.

[0047] The outer clutch 404 can move along the axial direction of the auger shaft 101. Through the present application, the inner clutch connected to the input pulley 30 is fixedly arranged along the axial direction of the auger shaft 101, and the outer clutch 404 that rotates synchronously with the auger shaft 101 can move along the axis, which can ensure the stability of the transmission scheme.

[0048] Through this application, when the first auger 10 is blocked, the resistance generated by the blockage will move the outer clutch 404 along the auger shaft 101 and separate it from the inner clutch. At this time, the input pulley 30 drives the inner clutch to idle, and the inner clutch cannot drive the outer clutch 404 to rotate synchronously, thus helping to protect the harvester auger 100.

[0049] The end surface of the inner clutch 405 relatively close to the auger blade 102 further includes a claw 4053, and the claw 4053 is clamped to the input pulley 30. The above solution helps to realize the power transmission of the input pulley 30 and improve the stability of the matching of parts.

[0050] The harvester auger further comprises a bearing assembly 20 sleeved on the auger shaft 101 and disposed on a side of the input pulley 30 relatively close to the auger portion, for supporting the first auger 10 and the input pulley 30. The above solution helps to improve the stability of the harvester auger 100.

[0051] The bearing assembly 20 includes a bearing seat 201 sleeved on the auger shaft 101 and a bearing 202 radially disposed between the bearing seat 201 and the auger shaft 101 . The bearing 202 is sleeved on the auger shaft 101 .

[0052] The outer clutch 404 is provided with a first transmission tooth portion 4043, and the auger shaft 101 further includes a second transmission tooth portion 1011. The first transmission tooth portion 4043 is engaged with the second transmission tooth portion 1011 to rotate the first auger shaft 10. The above solution helps the outer clutch 404 to better transmit power to the first auger 10, improving the stability of the cooperation.

[0053] The harvester auger 100 includes a second auger 60 arranged upright, and a steering assembly 50 connected between the first auger 10 and the second auger 60. Furthermore, the steering assembly 50 is a bevel gear that meshes with each other to transmit the power of the first auger 10 to the second auger 60. This solution can achieve material transportation.

[0054] Exemplarily, the working principle of this embodiment is as follows:

[0055] The safety clutch assembly 40 is sleeved on the augers shaft 101, one end of the compression spring 403 abuts against the external clutch 404, and the other end abuts against the compression washer 402, and the other end of the compression washer 402 abuts against the compression nut 401. The compression spring 403 is limited by the compression nut 401 to compress the compression spring 403, thereby applying a preset separation torque to the external clutch 404 so that the external clutch 404 and the internal clutch 405 are connected together.

[0056] When the harvester auger 100 is working normally, the input pulley 30 inputs power to drive the inner clutch 405 to rotate, and the inner clutch 405 and the outer clutch 404 are connected through the tooth engagement to drive the outer clutch 404 to rotate, and the first transmission tooth portion 4043 of the outer clutch 404 is connected to the second transmission tooth portion 1011 of the auger shaft 101 to drive the auger shaft 101 to rotate, so that the first auger 10 can transport the material, and the material is transported to the second auger 60 through the first auger 0, and the material reaches the designated position via the second auger 60.

[0057] When material blockage occurs, the first auger 10 is subject to resistance. When the resistance torque is greater than the preset separation torque of the compression spring 403, the compression spring 403 is compressed again, causing the outer clutch 404 to disengage from the inner clutch 405, thereby cutting off the power. The first auger 10 stops rotating, and the inner clutch 405 idles on the auger shaft 101, thereby protecting the harvester auger 100 and avoiding damage.

[0058] See also Figure 9 As shown, this embodiment provides a harvester 200, comprising a driving unit 1, a harvesting unit 2 disposed below the driving unit 1, a traveling unit 3 disposed behind the harvesting unit 2, a working unit 4 disposed behind the cab, and the harvester auger 100 of the above-described embodiment. The harvester auger 100 is disposed on the working unit 4 and transfers the harvested grains from the first auger 10 to the second auger 60 and finally to a designated location.

[0059] The utility model provides a harvester auger 100 and a harvester, which realize the transmission or disconnection of the auger power through the safety clutch component 40. The resistance generated when the blockage occurs can be disconnected by the safety clutch component 40 to disconnect the auger power, which can better avoid the damage to the auger caused by the auger still rotating after being blocked, thereby improving the reliability of the harvester and reducing the failure rate and maintenance cost of the harvester.

[0060] It should be noted that it is obvious to those skilled in the art that the internal clutch and the input pulley can be set separately or as an integrated structure with the input pulley; the safety clutch assembly can be set at either end of the first auger, not limited to one side; the safety clutch assembly can also be used in the grain unloading auger of the granary (grain box).

[0061] It will be apparent to those skilled in the art that various modifications and variations can be made to the exemplary embodiments described above without departing from the spirit and scope of the present invention. Therefore, it is intended that the present invention cover modifications and variations of the present invention that fall within the scope of the appended claims and their equivalents.

Claims

1. A harvester auger, characterized in that include: a first auger, wherein the first auger comprises an auger shaft; An input pulley, used to drive the auger shaft to rotate; A safety clutch assembly, the safety clutch assembly is used to connect or disconnect the input pulley and the auger shaft, the safety clutch assembly is sleeved on the auger shaft; The safety clutch assembly comprises: an inner clutch, the inner clutch being connected to the input pulley and rotating along with the input pulley; An external clutch, wherein the external clutch is connected to the internal clutch to drive the auger shaft to rotate, and the external clutch is disconnected from the internal clutch to disconnect the auger shaft from rotating, and the external clutch is placed on a side of the internal clutch relatively away from the auger blades; a compression spring, one end of which abuts against the outer clutch; A compression washer, the compression washer being disposed against the other end of the compression spring; A compression nut is placed at the end of the auger shaft and abuts against the compression washer.

2. A harvester auger according to claim 1, characterized in that: The inner clutch is connected to the outer clutch via tooth engagement.

3. A harvester auger according to claim 2, characterized in that: The end surface of the inner clutch relatively away from the auger blade is provided with a first protrusion at intervals, and a first concave portion is provided adjacent to the first protrusion.

4. A harvester auger according to claim 3, characterized in that: The end surface of the outer clutch facing the inner clutch is provided with second protrusions at intervals, and a second concave portion is provided adjacent to the second protrusion.

5. A harvester auger according to claim 4, characterized in that: The first protrusion contacts the second concave portion, and the second protrusion contacts the first concave portion, so that the inner clutch drives the outer clutch to rotate.

6. A harvester auger according to claim 5, characterized in that: The end surface of the inner clutch relatively close to the auger blade further includes a claw, and the claw is engaged with the input pulley.

7. A harvester auger according to claim 6, characterized in that: It also includes a bearing assembly which is sleeved on the auger shaft and placed on a side of the input pulley relatively close to the auger portion, for supporting the first auger and the input pulley.

8. A harvester auger according to claim 7, characterized in that: The external clutch further includes a first transmission tooth portion, and the auger shaft further includes a second transmission tooth portion, and the first transmission tooth portion is engaged with the second transmission tooth portion to drive the first auger shaft to rotate.

9. A harvester auger according to claim 8, characterized in that: It also includes a second auger arranged upright, and a steering assembly connected between the first auger and the second auger.

10. A harvester, characterized in that: The invention comprises a harvester auger as described in claim 1 or claim 9.

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