A roller assembly and positioning device for a silage harvester

Abstract

This utility model belongs to the field of silage harvester assembly technology, specifically providing a silage harvester roller assembly and positioning device, including a flexible assembly platform and a roller support unit and a contour positioning unit disposed on the flexible platform; the roller support unit is used to support the silage harvester roller assembly; the contour positioning unit includes a base and a vertical displacement component, a horizontal displacement component, and a contour positioning block disposed on the base; one end of the vertical displacement component is fixedly connected to the base, and the other end of the vertical displacement component is connected to the fixed end of the horizontal displacement component; the contour positioning block is installed on the driving end of the horizontal displacement component. By setting a flexible assembly platform as a carrier, the portability of the silage harvester roller assembly and positioning device is improved; by setting the contour positioning block on the contour positioning unit, the positioning surface of the contour positioning block coincides with the machined surface in the silage harvester roller assembly.

Description

Technical Field

[0001] This utility model belongs to the field of silage harvester assembly technology, and relates to an assembly and positioning device for silage harvester roller assembly. Background Technology

[0002] In the production of silage harvesters, the assembly quality of key components directly affects the reliability of the product, especially high-speed rotating roller assemblies. For example, the shredding roller assembly of a silage harvester mainly consists of a shredding roller, moving blades, and moving blade clamping plates. The surface of the shredding roller is welded with moving blade mounting seats arranged in a double helix. The left and right moving blades need to be staggered and assembled onto the roller mounting seats at specific cutting angles, forming a "V" shape after assembly. It is also crucial that the left and right moving blades maintain radial consistency on their respective circumferences to ultimately meet the requirements for stable operation under high-speed conditions. The existing moving blade assembly process is: moving blade pre-assembly - measuring the moving blade position - final adjustment. This assembly process presents the following difficulties:

[0003] First, workers need to use instruments such as angle gauges, tape measures, and laser measuring instruments to measure and position each moving part during installation, which involves frequent disassembly and assembly and is inefficient.

[0004] Second, because the moving blade has an elliptical curve edge, the measurement of tilt angle and distance has large errors, resulting in poor assembly accuracy.

[0005] Similarly, the assembly of the feed roller assembly for silage harvesters also suffers from poor precision and low efficiency. Therefore, it is necessary to design a device that can assemble silage harvester roller assemblies with high precision and speed to solve the above problems. Utility Model Content

[0006] This utility model provides an assembly and positioning device for roller components of a silage harvester, including a flexible assembly platform and a roller support unit and a contour positioning unit disposed on the flexible device platform;

[0007] The flexible assembly platform serves as the carrier for the assembly and positioning device of the roller assembly of the silage harvester.

[0008] The roller support unit is used to support the roller assembly of the silage harvester;

[0009] The contour positioning unit includes a base and a vertical displacement component, a horizontal displacement component, and a contour positioning block disposed on the base; one end of the vertical displacement component is fixedly connected to the base, and the other end of the vertical displacement component is connected to the fixed end of the horizontal displacement component; a contour positioning block is installed on the driving end of the horizontal displacement component, and the contour positioning block is used to accurately position the roller assembly of the silage harvester during the installation process.

[0010] Furthermore, the flexible assembly platform includes a flexible platform and legs for supporting the flexible platform; the legs are provided in multiple symmetrical sets, one end of each leg is fixedly connected to the lower end face of the flexible platform, and the other end of each leg extends vertically toward the ground and contacts the ground.

[0011] Furthermore, the flexible stage is fabricated using a standard hole mesh surface.

[0012] Furthermore, the flexible stage is configured as a modular structure.

[0013] Furthermore, each leg is equipped with a foot on the end face that contacts the ground.

[0014] Furthermore, an adjusting screw is provided between the single support leg and the foot, one end of which is threadedly connected to the single support leg, and the other end of which is fixedly connected to the foot.

[0015] Furthermore, the roller support unit is provided with two sets of rollers spaced apart from each other along the axial direction of the roller assembly of the silage harvester to be installed. Each set of roller support units includes a support base and a rotary bearing disposed on the support base.

[0016] The support base is connected to the flexible platform via a column. One end of the column is bolted to the flexible platform, and the other end of the column extends upward in the vertical direction.

[0017] The rotary bearing is rotatably mounted on the extension end of the column, and the rotary bearing and the column are rotatably connected.

[0018] Furthermore, the distance between the two mutually distant end faces of the two rotating bearings and the end face of the silage harvester roller assembly to be installed is set to 10mm-20mm.

[0019] Furthermore, an angle sensor is also installed on the support base.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] (1) The present invention provides a silage harvester roller assembly positioning device for precise positioning of the silage harvester roller assembly during installation. Specifically, by setting a flexible assembly platform as a carrier, it is convenient to connect with other equipment or the ground, thereby improving the portability of the silage harvester roller assembly positioning device; by setting a roller support unit to support the silage harvester roller assembly; by setting a contour positioning block on the contour positioning unit, it is ensured that the positioning surface of the contour positioning block coincides with the machined surface in the silage harvester roller assembly, and that the bottom line of the contour positioning block positioning surface and the moving blade edge are at the same height, thereby achieving dual positioning and making the assembly more accurate.

[0022] (2) In this utility model, the flexible table adopts a standardized modular design, which avoids the cost of repeated design; and by supporting splicing and three-dimensional space combination, it can be quickly connected by quick locking pins, which is suitable for the assembly needs of different tooling, reflecting the versatility of the device, so as to be applicable to the quick positioning and installation of various types of shredding rollers and other types of rollers, and the operation is quick.

[0023] (3) In this utility model, a rotary bearing is set on the roller support unit to make the roller rotate quickly. The vertical displacement component and the horizontal displacement component on the contour positioning unit cooperate with each other to quickly install the moving knife, which greatly improves the work efficiency.

[0024] In addition to the objectives, features, and advantages described above, this utility model has other objectives, features, and advantages. The present utility model will now be described in further detail with reference to the figures. Attached Figure Description

[0025] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an undue limitation of the present invention. In the drawings:

[0026] Figure 1 This is a schematic diagram of the overall structure of an assembly and positioning device for a silage harvester roller assembly in an embodiment of this utility model;

[0027] Figure 2 yes Figure 1 Schematic diagram of the flexible assembly platform;

[0028] Figure 3 yes Figure 1 Front view schematic diagram of the contour positioning unit;

[0029] Figure 4 yes Figure 3 A top-down view;

[0030] Figure 5 yes Figure 1 A schematic diagram of the structure after the intermediate shredding roller assembly is connected to the flexible assembly platform;

[0031] Figure 6 yes Figure 1 A schematic diagram of the structure after the feed roller assembly and the flexible assembly platform are connected.

[0032] in:

[0033] 10. Support base; 20. Column; 30. Quick-locking pin; 40. Flexible assembly platform; 41. Flexible table; 42. Support leg; 43. Adjusting screw; 44. Foot; 50. Rotary bearing; 60. Contouring positioning unit; 61. Connecting seat; 62. Second drive component; 63. Contouring positioning block; 64. First guide rail; 65. Base; 66. Sliding seat; 67. First lead screw; 70. Angle sensor; 80. Shredding roller assembly; 81. Shredding roller; 82. Moving blade; 90. Feed roller assembly; 91. Feed roller; 92. Feed blade. Detailed Implementation

[0034] To make the above-mentioned objectives, features, and advantages of this utility model clearer and easier to understand, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. It should be noted that the accompanying drawings of this utility model are all in a simplified form and use non-precise proportions, and are only used to facilitate and clearly assist in illustrating the implementation of this utility model; the "several" mentioned in this utility model are not limited to the specific number shown in the examples in the drawings; the directions or positional relationships indicated by "front," "middle," "rear," "left," "right," "up," "down," "top," "bottom," and "middle" mentioned in this utility model are all based on the directions or positional relationships shown in the accompanying drawings of this utility model, and do not indicate or imply that the device or component referred to must have a specific orientation, nor should they be construed as limitations on this utility model.

[0035] Example:

[0036] See Figures 1 to 4 As shown, the present invention provides a roller assembly and positioning device for a silage harvester, comprising a flexible assembly platform 40 and a roller support unit and a contour positioning unit 60 disposed on the flexible assembly platform; the flexible assembly platform 40 is the carrier of the roller assembly and positioning device for the silage harvester; the roller support unit is used to support the chopping roller assembly 80 and / or the feeding roller assembly 90; the contour positioning unit 60 is used to perform a contour positioning operation on the chopping roller assembly 80 and / or the feeding roller assembly 90 after assembly, so as to ensure more accurate assembly of the chopping roller assembly 80 and / or the feeding roller assembly 90.

[0037] Preferred, see Figure 2 As shown, the flexible assembly platform 40 includes a flexible platform 41 and legs 42 for supporting the flexible platform 41. The legs 42 are preferably provided in multiple sets that are symmetrical to each other. One end of a single leg 42 is fixedly connected to the lower end face of the flexible platform 41, and the other end of the single leg 42 extends vertically toward the ground and contacts the ground.

[0038] Preferably, the flexible stage 41 is made of a standard hole grid-like stage surface.

[0039] More preferably, the flexible platform 41 is configured as a segmented structure so that it can be interconnected by quick-locking pins 3030 according to different needs to form flexible platforms 41 with different widths and lengths, thereby realizing the continuous expansion of the flexible platform 41.

[0040] In a further preferred embodiment, to ensure the stability of the single support leg 42 in contact with the ground, a foot 44 is provided on the end face of the single support leg 42 that is in contact with the ground.

[0041] Furthermore, to effectively ensure the levelness of the flexible platform 41, an adjusting screw is provided between the single support leg 42 and the base 44. One end of the adjusting screw is threadedly connected to the single support leg 42, and the other end is fixedly connected to the base 44. The distance between the base 44 and the support leg 42 can be adjusted by adjusting the adjusting screw, thereby adjusting the levelness of the flexible platform 41. Specifically, to achieve relative locking and fixing between the adjusting screw and the support leg 42, two nuts with opposite thread directions are preferably provided on the adjusting screw. The relative position between the adjusting screw and the support leg 42 is locked and fixed by the two nuts with opposite thread directions, and at the same time, it avoids displacement of the threaded connection between the adjusting screw and the support leg 42 due to thread stripping or other reasons.

[0042] Preferably, the roller support unit is provided with two sets of roller support units that are spaced apart from each other along the axial direction of the shredding roller assembly 80 and / or the feeding roller assembly 90 to be installed. Each set of roller support units includes a support base 10 and a rotary bearing 50 disposed on the support base 10.

[0043] The support base 10 is connected to the flexible platform 41 via a column 20. One end of the column 20 is bolted to the flexible platform 41, and the other end of the column 20 extends upward in the vertical direction.

[0044] The rotary bearing 50 is disposed on the extension end of the column 20, and the rotary bearing 50 and the column 20 are rotatably disposed together.

[0045] More preferably, the central axis of the rotary bearing 50 is aligned with the axial direction of the shredding roller assembly 80 and / or the feed roller assembly 90 to be installed.

[0046] More preferably, to ensure effective connection between the shredding roller assembly 80 and / or the feed roller assembly 90 to be installed and the rotary bearings 50 in the two sets of roller support units, the distance between the two mutually distant end faces of the two rotary bearings 50 and the end faces of the shredding roller assembly 80 and / or the feed roller assembly 90 to be installed is set to 10mm-20mm. Specifically, in this embodiment, the distance between the end face of a single rotary bearing 50 and the end face of the shredding roller assembly 80 and / or the feed roller assembly 90 to be installed is preferably set to 15mm.

[0047] Preferred, see Figure 3 and Figure 4 As shown, the contour positioning unit 60 includes a base 65 and a vertical displacement component, a horizontal displacement component, and a contour positioning block 63 disposed on the base 65.

[0048] The vertical displacement assembly includes a first guide rail 64, a first slider, a sliding seat 66, and a first driving member. Preferably, the first guide rail 64 consists of two parts respectively disposed on two side end faces of the base 65, both of which are arranged vertically. Preferably, the first slider consists of two sets respectively slidably connected to the two first guide rails 64, and each set of first sliders preferably has at least one component. The sliding seat 66 is simultaneously fixedly connected to both sets of first sliders. The fixed end of the first driving member is fixedly connected to the base 65, and the driving end of the first driving member is fixedly connected to the sliding seat 66, for driving the sliding seat 66 to move vertically.

[0049] The horizontal displacement assembly includes a second guide rail, a second slider, and a second driving member 62. The second guide rail preferably has multiple components spaced apart on the upper surface of the sliding seat 66. The second slider has multiple sets corresponding to the multiple second guide rail components, with each set preferably having at least one component, and multiple sets of second sliders are simultaneously fixedly connected to the contour positioning block 63. The fixed end of the second driving member 62 is fixedly connected to the sliding seat 66, and the driving end of the second driving member 62 is fixedly connected to the contour positioning block 63, for driving the contour positioning block 63 to move.

[0050] When positioning and contouring the shredding roller assembly 80 and / or the feed roller assembly 90 after assembly, the precise positioning and installation of the moving blade 82 is ensured by aligning the positioning surface of the contouring positioning block 63 with the machined surface of the moving blade 82 in the shredding roller assembly 80, and ensuring that the lowest line of the positioning surface of the contouring positioning block 63 is at the same height as the blade edge of the moving blade 82; or, the precise positioning and installation of the blade 92 is ensured by aligning the positioning surface of the contouring positioning block 63 with the machined surface of the blade 92 in the feed roller assembly 90, and ensuring that the lowest line of the positioning surface of the contouring positioning block 63 is at the same height as the blade edge of the blade 92.

[0051] More preferably, the first driving component includes a motor and a first lead screw 67 connected to each other. The fixed end of the motor is fixedly mounted on the base 65, and the driving end of the motor is connected to the first lead screw 67 to drive the first lead screw 67 to rotate. The first lead screw 67 is threadedly connected to the sliding seat 66, thereby driving the sliding seat 66 to move.

[0052] More preferably, the second driving component 62 includes a handle, a second lead screw, and a connecting seat 61; the handle is fixedly installed on one end of the second lead screw, and the other end of the second lead screw is fixedly connected to the connecting end face of the contour positioning block 63; the connecting seat 61 is fixedly installed near the flexible stage 41 near the handle, and the connecting seat 61 is provided with a mounting hole for through mounting the lead screw, so that the second lead screw and the connecting seat 61 can be rotatably connected.

[0053] More preferably, in order to ensure the smooth displacement of the contour positioning block 63, the second driving member 62 is preferably provided with at least two pieces arranged side by side.

[0054] More preferably, a first limiting block is provided on the first guide rail 64 for limiting the displacement range of the first slider, and the first limiting block preferably consists of two pieces that are spaced apart from each other along the displacement direction of the first slider.

[0055] Similarly, a second limiting block is provided on the second guide rail to limit the displacement range of the second slider. Preferably, the second limiting block consists of two pieces spaced apart from each other along the displacement direction of the second slider. More preferably, the limiting point of the second slider in the direction closer to the roller support unit is the positioning position of the contour positioning unit.

[0056] More preferably, the displacement direction of the second slider is consistent with the width direction of the flexible stage 41.

[0057] As a further embodiment of the present invention, in addition to the above structure, the first driving member may also be configured to include a first lead screw 67, one end of the first lead screw 67 being fixedly connected to the base 65, and the other end of the first lead screw 67 being threadedly connected to the sliding seat 66 and extending away from the sliding seat 66; when it is necessary to adjust the distance between the sliding seat 66 and the flexible platform 41, the first lead screw 67 is manually rotated.

[0058] As a further embodiment of the present invention, in addition to the above structure, in order to facilitate the detection of the rotation angle between the shredding roller assembly 80 and / or the feeding roller assembly 90 to be installed and the roller support unit, an angle sensor 70 is also provided on the support base 10.

[0059] As a further embodiment of this utility model, see [link to relevant documentation]. Figure 5 As shown, the specific process of assembling the shredder roller assembly 80 using the above-described silage harvester roller assembly positioning device is as follows:

[0060] Step 1: The operator assembles the rotary bearing 50 to both ends of the shredding roller 81 shaft, ensuring that the outer end face of the rotary bearing 50 is 15mm away from the end face of the roller shaft; then the angle sensor 70 is installed on the left end face of the shredding roller 81.

[0061] Step 2: The operator hoists the shredding roller 81 onto the device, adjusts its axial position, and uses a straightedge to ensure that both ends of the shredding roller 81 are flush with the side support seats 10, thereby achieving axial positioning of the shredding roller 81.

[0062] Step 3: The operator assembles the moving blade 82 into the mounting base of the shredding roller 81, but does not tighten the bolts yet;

[0063] Step 4: The operator uses a wrench to rotate the hexagonal face at the top of screw 67 to adjust the sliding seat 66 to a suitable height in the vertical direction;

[0064] Step 5: The operator cranks the handwheel and lead screw assembly 62 on the contour positioning unit to move the guide rail 64 to the end positioning position;

[0065] Step 6: The operator adjusts the position of the moving cutter 82 to ensure that the positioning surface of the contour positioning block 63 coincides with the machining surface of the moving cutter 82, and ensures that the bottom line of the positioning surface of the contour positioning block 63 is at the same height as the cutting edge of the moving cutter 82. Finally, tighten the bolts at the mounting hole of the moving cutter 82.

[0066] Step 7: The operator cranks the handwheel and lead screw assembly 62 on the sliding positioning unit to move the sliding positioning unit back to its initial position;

[0067] Step 8: The operator rotates the shredding roller 81 clockwise and observes the 70-degree mark on the angle sensor to ensure a 30° clockwise rotation.

[0068] Step 9: Repeat steps 5-7 to install the remaining moving blades 82 on the shredding roller 81, and complete the assembly of the shredding roller assembly 80.

[0069] Further, see Figure 6 As shown, when assembling the feed roller assembly 90, the assembly is performed in the same manner as steps 1-9.

[0070] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A silage harvester roller assembly assembly positioning device characterized by, It includes a flexible assembly platform (40) and a roller support unit and a contour positioning unit (60) set on the flexible device platform. The flexible assembly platform (40) serves as the carrier for the assembly and positioning device of the roller assembly of the silage harvester; The roller support unit is used to support the roller assembly of the silage harvester; The contour positioning unit (60) includes a base (65) and a vertical displacement component, a horizontal displacement component and a contour positioning block (63) disposed on the base (65); one end of the vertical displacement component is fixedly connected to the base (65), and the other end of the vertical displacement component is connected to the fixed end of the horizontal displacement component; the contour positioning block (63) is installed on the driving end of the horizontal displacement component, and the contour positioning block (63) is used to accurately position the roller assembly of the silage harvester during the installation process.

2. The silage harvester roller assembly positioning apparatus of claim 1, wherein, The flexible assembly platform (40) includes a flexible platform (41) and legs (42) for supporting the flexible platform (41); the legs (42) are provided in multiple sets symmetrically, one end of a single leg (42) is fixedly connected to the lower end face of the flexible platform (41), and the other end of the single leg (42) extends vertically toward the ground and contacts the ground.

3. The silage harvester roller assembly assembly positioning device of claim 2, wherein, The flexible stage (41) is made of a standard hole gridded stage surface.

4. The silage harvester roller assembly positioning apparatus of claim 2 or 3, wherein, The flexible stage (41) is configured as a block structure.

5. The silage harvester roller assembly assembly positioning device of claim 4, wherein, Each of the single outriggers (42) is also provided with a foot (44) on the end face that is in contact with the ground.

6. The silage harvester roller assembly assembly positioning device of claim 5, wherein, An adjusting screw is provided between the single support leg (42) and the foot (44). One end of the adjusting screw is threadedly connected to the single support leg (42), and the other end of the adjusting screw is fixedly connected to the foot (44).

7. The silage harvester roller assembly positioning apparatus of claim 5 or 6, wherein, The roller support unit is provided with two sets of rollers spaced apart from each other along the axial direction of the roller assembly of the silage harvester to be installed. Each set of roller support units includes a support base (10) and a rotary bearing (50) disposed on the support base (10). The support base (10) is connected to the flexible platform (41) via a column (20). One end of the column (20) is bolted to the flexible platform (41), and the other end of the column (20) extends upward in the vertical direction. The rotary bearing (50) is rotatably mounted on the extension end of the column (20), and the rotary bearing (50) and the column (20) are rotatably mounted together.

8. The silage harvester roller assembly assembly positioning device of claim 7, wherein, The distance between the two mutually distant end faces of the two rotating bearings (50) and the end face of the silage harvester roller assembly to be installed is set to 10mm-20mm.

9. The silage harvester roller assembly assembly positioning device of claim 8, wherein, An angle sensor (70) is also provided on the support base (10).

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