Feeding and lifting device for harvesting table and harvester

Abstract

The utility model provides a harvesting table feed lifting device and harvester, the harvesting table feed lifting device comprises a hold-down mechanism and a pulling mechanism, the hold-down mechanism comprises a first tensioning wheel and a rotating arm, the rotating arm is rotatably arranged on the side wall of a gap bridge, the two ends of the rotating arm are respectively connected with the first tensioning wheel and the pulling mechanism, and the first tensioning wheel is connected with the pulling mechanism. The pulling mechanism can drive the rotating arm to rotate so that the first tensioning wheel can abut against the conveying belt. According to the feeding lifting device for the harvesting table, the conveying capacity of the conveying belt can be improved, and blockage is removed; the rotating arm is pulled through the pulling mechanism so that the position of the first tensioning wheel located on the rotating arm can be changed, and therefore the conveying capacity of the conveying belt is adjusted, the problem that due to the fact that the amount of materials fed by the harvesting table is large or the fed materials are not uniform, blocking is generated at the position of a spiral auger conveyor is solved, blocking can be removed when blocking occurs, and the working efficiency is improved. The downtime is reduced, the normal transportation of the device is ensured, and the working efficiency is ensured.

Description

TECHNICAL FIELD

[0001] The present application relates to the harvesting machine technical field, especially to a feeding lifting device for a harvesting table and a harvesting machine. BACKGROUND

[0002] The harvesting table is generally arranged in front of the whole machine, and the type of the harvesting table includes a grain harvesting table, a corn ear picking table and a peanut picking table, etc., which functions to harvest or pick up crops from the ground and feed them into the machine to realize the first step of mechanical harvesting of crops.

[0003] The structure of the harvesting table generally includes a spiral auger conveyor and a bridge, the spiral auger conveyor functions to convey the crops in the whole harvesting width to the middle and then to the bridge from the middle, and the bridge functions to convey and feed the crops conveyed by the spiral auger conveyor to the next working device. However, in the actual application process, the spiral conveyor is often blocked due to large or uneven feeding of the material, the spiral conveyor is stalled and blocked due to overload and slipping of the bridge belt, thereby causing downtime maintenance and affecting the harvesting efficiency.

[0004] Therefore, it is necessary to design a feeding lifting device for a harvesting table to solve the above problems. CONTENT OF THE INVENTION

[0005] Therefore, in order to overcome the defects of the prior art, the present application provides a feeding lifting device for a harvesting table and a harvesting machine, which effectively solves the problem that the existing harvesting table is often blocked in the spiral conveyor due to large or uneven feeding of the material during use, the spiral conveyor is stalled and blocked due to overload and slipping of the bridge belt, thereby causing downtime maintenance and affecting the harvesting efficiency.

[0006] According to the first aspect of the present application, a feeding lifting device for a harvesting table is provided, the harvesting table includes a cutting machine and a bridge, the bridge includes a conveying belt, wherein the feeding lifting device for the harvesting table includes a pressing mechanism and a pulling mechanism, the pressing mechanism includes a first tensioning wheel and a rotating arm, the rotating arm is rotatably arranged on the side wall of the bridge, and the two ends of the rotating arm are respectively connected with the first tensioning wheel and the pulling mechanism, the pulling mechanism can drive the rotating arm to rotate so that the first tensioning wheel abuts against the conveying belt.

[0007] Preferably, the pulling mechanism includes a pulling handle and a tensioning pull wire, and the two ends of the tensioning pull wire are respectively connected with the pulling handle and the rotating arm.

[0008] Preferably, the pressing mechanism further comprises a first fixing member, a first rotating shaft and an auxiliary arm, the first fixing member is arranged on the side wall of the bridge, the first end of the first rotating shaft is connected with the first fixing member through the rotating arm, and the first end of the auxiliary arm is arranged on the second end of the first rotating shaft.

[0009] Preferably, the first fixing member is formed with a first protruding part which protrudes away from the side wall of the bridge.

[0010] Preferably, a connecting rod is arranged between the auxiliary arm and the rotating arm.

[0011] Preferably, the pulling mechanism comprises a second fixing member arranged on the side wall of the bridge, and the tensioning pull wire is arranged at the end of the second fixing member away from the side wall of the bridge.

[0012] Preferably, the pulling mechanism further comprises a pull wire sleeve, the tensioning pull wire is arranged through the pull wire sleeve, and one end of the pull wire sleeve is arranged on the second fixing member.

[0013] Preferably, the pulling mechanism further comprises a rotating connector, the first end of the rotating connector is rotatably arranged on the end of the rotating arm away from the first tensioning wheel, and the tensioning pull wire is connected with the second end of the rotating connector.

[0014] Preferably, the first tensioning wheel, the rotating arm and the pulling mechanism are all arranged above the conveying belt.

[0015] According to the second aspect of the present application, a harvester is provided, wherein the harvester comprises the feeding and lifting device for a harvesting table as described above.

[0016] According to the feeding and lifting device for a harvesting table of the present application, the cooperation of the pressing mechanism and the pulling mechanism can realize the conveying capacity of the conveying belt and remove the blockage; the pulling mechanism pulls the rotating arm to change the position of the first tensioning wheel on the rotating arm, and changes the pressing force of the first tensioning wheel on the conveying belt on the bridge, so as to adjust the conveying capacity of the conveying belt, solve the congestion at the spiral auger conveyor caused by the large amount of material fed by the harvesting table or the uneven feeding of the material, and remove the blockage when the blockage occurs, reduce the downtime, ensure the normal transportation of the spiral auger conveyor and the conveying belt, and ensure the work efficiency.

[0017] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the following preferred embodiments are described in detail below, and the accompanying drawings are described as follows. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced as follows. It should be understood that the following drawings only show some of the embodiments of the present application, and therefore should not be regarded as a limitation on the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0019] Figure 1 A structure schematic diagram of the feeding and lifting device for the harvesting table according to the embodiment of the present application is shown.

[0020] Figure 2 A side view of the feeding and lifting device for the harvesting table according to the embodiment of the present application is shown.

[0021] Figure 3 An enlarged schematic diagram of the structure at A of the feeding and lifting device for the harvesting table according to the embodiment of the present application is shown. Figure 1

[0022] Reference signs: 1 - pressing mechanism; 101 - first tensioning wheel; 102 - rotating arm; 103 - first fixing member; 104 - first rotating shaft; 105 - auxiliary arm; 106 - connecting rod; 107 - second rotating shaft; 2 - pulling mechanism; 201 - pulling handle; 202 - tensioning pull wire; 203 - second fixing member; 204 - pull wire sleeve; 205 - rotating connecting head; 3 - overbridge; 301 - conveying belt; 4 - cutting machine; 5 - spiral auger conveyor. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be described clearly and completely in the following with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of the present application.

[0024] ​In the description of the embodiments of this application, it should be noted that the terms "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this application is in use. They are only for the convenience of describing this application 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 application. In addition, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0025] Furthermore, terms such as "horizontal" and "vertical" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0026] In the description of the embodiments of this application, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "connect" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0027] According to a first aspect of this utility model, a feeding and lifting device for a harvesting platform is provided, such as... Figures 1 to 3 As shown, the harvesting platform uses a feeding and lifting device for the harvesting platform of a harvester, which can assist in increasing the conveying capacity of the harvesting platform and clearing blockages. The harvesting platform can be, for example, a device in the prior art, such as a grain harvesting platform, a corn picking platform, and a peanut picking platform, etc., and its specific structure can be selected according to actual needs, as those skilled in the art will know. Furthermore, the harvesting platform can include a bridge 3 and a cutter 4, and the feeding and lifting device can be installed on the bridge 3. In addition, the bridge 3 and the cutter 4 can also be devices commonly used in the art, and their specific structures will not be described in detail, as those skilled in the art will know. The bridge 3 can include multiple conveyor wheels and a conveyor belt 301. The conveyor belt 301 and the multiple conveyor wheels cooperate with each other to enable the material to be transported on the conveyor belt 301.

[0028] The feeding and lifting device for the harvesting platform includes a clamping mechanism 1 and a pulling mechanism 2, which will be referred to in the following description. Figures 1 to 3 The detailed structure of the clamping mechanism 1 and pulling mechanism 2 of the feeding and lifting device for the harvesting platform is described in detail.

[0029] As Figures 1 to 3 shown, in the embodiment, the pressing mechanism 1 can include a first tensioning wheel 101 and a rotating arm 102, the rotating arm 102 is rotatably arranged on the side wall of the bridge 3, the first tensioning wheel 101 is arranged on the rotating arm 102, when the rotating arm 102 rotates, the first tensioning wheel 101 can be driven to change position, thereby changing the pressing force with the conveying belt 301, and further adjusting the pressing force received by the conveying belt 301, which can improve the belt power conveying capacity and clear the blockage. Here, the blockage refers to the congestion caused in the auger conveyor 5 due to the large amount of material fed by the harvesting table or the uneven feeding of the material, the auger conveyor 5 is arranged at one end of the cutter 4 close to the bridge 3, and the overload and slip of the conveying belt 301 of the bridge 3 causes the auger conveyor 5 to stop and block, thereby causing downtime for maintenance and affecting the harvesting efficiency. After the first tensioning wheel 101 changes position, the pressing force with the conveying belt 301 is changed, and the conveying belt 301 can have sufficient conveying capacity to make the auger conveyor 5 work normally. Further, the two ends of the rotating arm 102 are respectively connected with the first tensioning wheel 101 and the pulling mechanism 2, the pulling mechanism 2 can drive the rotating arm 102 to rotate to make the first tensioning wheel 101 abut against the conveying belt 301. The rotating arm 102 can be understood as a component with a lever function, and pulling one end of the rotating arm 102 by the pulling mechanism 2 can make the first tensioning wheel 101 located at the other end of the rotating arm 102 change position.

[0030] The feeding and lifting device for the harvesting table can improve the conveying capacity of the conveying belt 301 and clear the blockage by the cooperation of the pressing mechanism 1 and the pulling mechanism 2; the first tensioning wheel 101 located on the rotating arm 102 changes position by pulling the rotating arm 102 by the pulling mechanism 2, and the pressing force between the first tensioning wheel 101 and the conveying belt 301 located on the bridge 3 is changed, thereby adjusting the conveying capacity of the conveying belt 301, solving the congestion caused in the auger conveyor 5 due to the large amount of material fed by the harvesting table or the uneven feeding of the material, and also clearing the blockage when the blockage occurs, reducing downtime, ensuring the normal transportation of the auger conveyor 5 and the conveying belt 301, and ensuring the work efficiency.

[0031] Preferably, as Figures 1 to 3As shown in the embodiments, the pulling mechanism 2 can comprise a pulling handle 201 and a tensioning pull wire 202, two ends of the tensioning pull wire 202 are connected with the pulling handle 201 and the rotating arm 102 respectively. The user pulls the tensioning pull wire 202 through the pulling handle 201, and the tensioning pull wire 202 drives the rotating arm 102 to rotate. Specifically, the tensioning pull wire 202 can be a steel wire commonly used in the prior art, and the pulling handle 201 can also be a handle commonly used in the prior art and having a pulling function. The user pulls the pulling handle 201, which can drive the tensioning pull wire 202 to move towards the pulling handle 201, thereby pulling the rotating arm 102. Further, since the tensioning pull wire 202 has a certain length, the pulling handle 201 can be arranged in the cab of the harvester through the tensioning pull wire 202, so that the driver or user can adjust the position of the first tensioning wheel 101 in the cab, thereby adjusting the conveying capacity of the conveying belt 301.

[0032] Preferably, as shown in the embodiments, Figure 2 and Figure 3 As shown in the embodiments, the pressing mechanism 1 can further comprise a first fixing member 103, a first rotating shaft 104 and an auxiliary arm 105. The first fixing member 103 is arranged on the side wall of the bridge 3. The first end of the first rotating shaft 104 is connected with the first fixing member 103 through the rotating arm 102. The first end of the auxiliary arm 105 is arranged on the second end of the first rotating shaft 104. The second end of the auxiliary arm 105 is connected with the first tensioning wheel 101. The auxiliary arm 105 and the rotating arm 102 can be arranged on the two sides of the first tensioning wheel 101 respectively, so that the first tensioning wheel 101 can move freely. The first tensioning wheel 101 is rotatably arranged between the auxiliary arm 105 and the rotating arm 102 through the second rotating shaft 107. In order to facilitate pulling, the length of the rotating arm 102 is longer than the length of the auxiliary arm 105.

[0033] Preferably, as shown in the embodiments, Figure 2 and Figure 3 In order to facilitate the rotation of the rotating arm 102, the first fixing member 103 is formed with a first protruding portion, which protrudes away from the side wall of the bridge 3. A containing space is formed between the first protruding portion and the side wall of the bridge 3, which can be used to contain the first rotating shaft 104. At the same time, due to the arrangement of the containing space, the first tensioning wheel 101 has a certain distance from the side wall of the bridge 3, which facilitates the movement of the first tensioning wheel 101.

[0034] Preferably, as shown in the embodiments, Figure 3As shown, in this embodiment, a connecting rod 106 is provided between the auxiliary arm 105 and the rotating arm 102. To ensure the stability of the overall structure, the two ends of the connecting rod 106 can be connected to the auxiliary arm 105 and the rotating arm 102 respectively.

[0035] Preferably, such as Figure 2 and Figure 3 As shown, in this embodiment, the pulling mechanism 2 may include a second fixing member 203, which is disposed on the side wall of the bridge 3. The tensioning cable 202 is disposed at the end of the second fixing member 203 away from the side wall of the bridge 3. The second fixing member 203 may be, for example, a fixing plate, which may be vertically disposed on the side wall of the bridge 3 so that the tensioning cable 202 can form a certain distance with the side wall of the bridge 3, thereby cooperating with the rotating arm 102 disposed on the first fixing member 103.

[0036] Preferably, such as Figure 2 and Figure 3 As shown, in this embodiment, the pulling mechanism 2 may further include a cable sleeve 204, through which the tension cable 202 passes, and one end of the cable sleeve 204 is disposed on the second fixing member 203. The cable sleeve 204 can be used to protect the tension cable 202, and can also restrict the tension cable 202, so that the tension cable 202 can be confined to the second fixing member 203.

[0037] Preferably, such as Figure 2 and Figure 3 As shown, in this embodiment, the pulling mechanism 2 may further include a rotating connector 205. The first end of the rotating connector 205 is rotatably disposed at the end of the rotating arm 102 away from the first tensioning wheel 101, and the tension cable 202 is connected to the second end of the rotating connector 205. The rotating connector 205 may be formed as a U-shaped clamping member, with both ends of the U-shape clamped at the end of the rotating arm 102 away from the first tensioning wheel 101. The clamping method may be, for example, using a rotating shaft connection. Thus, the tension cable 202 can be connected to the rotating arm 102 through the rotating connector 205, facilitating the movement of the rotating arm 102.

[0038] Preferably, such as Figures 1 to 3 As shown, in this embodiment, the rotating arm 102, the first tensioning pulley 101, and the pulling mechanism 2 are all positioned above the conveyor belt 301. Here, "above" can refer to... Figure 2 Above the conveyor belt 301. Since the rotating arm 102, the first tensioning wheel 101 and the pulling mechanism 2 are all located above the conveyor belt 301, the tensioning force between the first tensioning wheel 101 and the conveyor belt 301 can be adjusted, thereby adjusting the conveying capacity of the conveyor belt 301.

[0039] The use process of the feeding lifting device of the harvesting table is as follows: when the harvester is working, power is transmitted from the plurality of conveying wheels of the bridge 3 and the conveying belt 301 to the cutter 4, the auger conveyor 5 and other working components.

[0040] When the auger conveyor 5 is not fed well, the conveying belt 301 will slip, resulting in insufficient power transmission, and then the auger conveyor 5 is blocked; at this time, the user pulls the pull handle 201, and then drives the tensioning pull wire 202, one end of the rotating arm 102 is pulled upward, and under the action of the lever principle, the other end of the rotating arm 102 is pressed downward to the conveying belt 301, thereby improving the conveying capacity of the conveying belt 301 and removing the blockage.

[0041] The feeding lifting device of the harvesting table can improve the conveying capacity of the conveying belt and remove the blockage through the cooperation of the pressing mechanism and the pulling mechanism; the pulling mechanism pulls the rotating arm to change the position of the first tensioning wheel located on the rotating arm, and changes the pressing force of the first tensioning wheel and the conveying belt located on the bridge, thereby adjusting the conveying capacity of the conveying belt, solving the congestion of the auger conveyor caused by the large amount of material fed by the harvesting table or the uneven feeding of the material, and removing the blockage when the blockage occurs, reducing the downtime, ensuring the normal transportation of the auger conveyor and the conveying belt, and ensuring the work efficiency.

[0042] In addition, according to the second aspect of the present application, a harvester is provided, which comprises the feeding lifting device of the harvesting table as described above. The harvester can adjust the conveying capacity of the conveying belt 301 during use to ensure the normal operation of the machine.

[0043] Finally, it should be pointed out that: the above-mentioned embodiments are only specific embodiments of the present application, which are used to illustrate the technical solutions of the present application, but not to limit them, and the protection scope of the present application is not limited to this. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that any person skilled in the art can modify or easily think of changes to the technical solutions recorded in the foregoing embodiments within the technical scope disclosed by the present application, or make equivalent replacement to some technical features; and these modifications, changes or replacements do not make the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be limited by the protection scope of the claims.

Claims

1. A feeding elevator for a harvesting table, the harvesting table comprising a cutter and a bridge, the bridge comprising a conveying belt, characterized in that, The feeding and lifting device of the harvesting platform comprises a pressing mechanism and a pulling mechanism, the pressing mechanism comprises a first tensioning wheel and a rotating arm, the rotating arm is rotatably arranged on the side wall of the bridge, and two ends of the rotating arm are connected with the first tensioning wheel and the pulling mechanism respectively.

2. A feed elevator for a harvesting table according to claim 1, characterized in that The pulling mechanism comprises a pulling handle and a tensioning pull wire, and two ends of the tensioning pull wire are connected with the pulling handle and the rotating arm respectively.

3. A feed elevator for a harvesting table according to claim 1, characterized in that The pressing mechanism further comprises a first fixing member, a first rotating shaft and an auxiliary arm, the first fixing member is arranged on the side wall of the bridge, the first end of the first rotating shaft is connected with the first fixing member through the rotating arm, the first end of the auxiliary arm is arranged on the second end of the first rotating shaft, and the second end of the auxiliary arm is connected with the first tensioning wheel.

4. A feed elevator for a harvesting table according to claim 3, characterized in that The first fixing member is formed with a first protruding part, and the first protruding part protrudes away from the side wall of the bridge.

5. A feed elevator for a harvesting table according to claim 3, characterized in that A connecting rod is arranged between the auxiliary arm and the rotating arm.

6. A feed elevator for a harvesting table according to claim 2, characterized in that The pulling mechanism comprises a second fixing member, the second fixing member is arranged on the side wall of the bridge, and the tensioning pull wire is arranged on the end of the second fixing member away from the side wall of the bridge.

7. A feed elevator for a harvesting table according to claim 6, characterized in that The pulling mechanism further comprises a pull wire sleeve, the tensioning pull wire passes through the pull wire sleeve, and one end of the pull wire sleeve is arranged on the second fixing member.

8. A feed elevator for a harvesting table according to claim 7, characterized in that The pulling mechanism further comprises a rotating connector, the first end of the rotating connector is rotatably arranged on the end of the rotating arm away from the first tensioning wheel, and the tensioning pull wire is connected with the second end of the rotating connector.

9. The feed elevator for a harvesting table of claim 1, wherein, The first tensioning wheel, the rotating arm and the pulling mechanism are all arranged above the conveying belt.

10. A harvester characterized by The harvester comprises the feeding and lifting device of the harvesting platform according to any one of claims 1 to 9.

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