Rice transplanter and rear axle damping mechanism thereof

Abstract

The utility model discloses a rice transplanter and a rear axle damping mechanism thereof, and belongs to the field of rice transplanters. The rear axle damping mechanism of the rice transplanter comprises a mounting frame plate, a supporting seat and an adjusting assembly, the adjusting assembly comprises a spring, an adjusting bolt, a sleeve, a nut and a baffle. The mounting frame plate comprises a top plate, the top of the top plate is fixedly connected with a frame, and the bottom surface of the top plate is fixedly connected with a sleeve; the supporting seat is located on the lower side of the sleeve, an inserting hole is formed in the supporting seat, and the supporting seat is used for being fixed to a rear axle. The spring is positioned between the top plate and the supporting seat; the adjusting bolt is sequentially in threaded connection with the nut, the inserting hole, the baffle and the sleeve, the adjusting bolt is sleeved with the spring, and the two ends of the spring abut against the top plate and the baffle respectively. When the spring is aged, a user can change the relative position of the adjusting bolt and the nut on the adjusting bolt so as to change the distance between the rear axle and the frame, and the situation that the damping function is weakened, and the rear frame makes contact with rear wheels is avoided.

Description

Technical Field

[0001] This utility model relates to the field of rice transplanter technology, and more specifically, to a rice transplanter and its rear axle shock absorption mechanism. Background Technology

[0002] Rice transplanters, as important agricultural machinery, are widely used in rice cultivation. The main function of the rear axle shock absorption mechanism of a rice transplanter is to mitigate the vibrations generated when the transplanter travels on uneven fields, protecting the stability and lifespan of the mechanical components.

[0003] Existing rice transplanter rear axle shock absorption mechanisms typically utilize elastic components such as springs. When the rice transplanter travels on uneven ground, these elastic components can absorb the vibration energy transmitted from the ground, reducing the impact on mechanical parts and operators.

[0004] For example, Chinese patent document (publication number: CN 204206755 U) provides a high-speed rice transplanter drive chassis, which combines an upper support tube connecting the frame and the rear axle with a shock-absorbing spring installed below the frame, thereby improving the transplanter's shock resistance. However, the springs are prone to fatigue after long-term use, leading to a decrease in shock absorption. Furthermore, the connection and fixing methods of the aforementioned components are complex, resulting in a cumbersome adjustment process and affecting the safety of user maintenance.

[0005] The relevant technologies do not provide effective solutions to the above problems. Utility Model Content

[0006] This application provides a rice transplanter and its rear axle shock absorption mechanism to solve the problem of the difficulty in quickly adjusting the rear axle shock absorption mechanism of existing rice transplanters.

[0007] To achieve the above objectives, the rear axle shock absorption mechanism of the rice transplanter of this application includes a mounting plate, a support base, and an adjustment assembly; the adjustment assembly includes a spring, an adjusting bolt, a sleeve, a nut, and a baffle; the mounting plate includes a top plate, the top of which is fixedly connected to the frame, and the sleeve is fixedly connected to the bottom surface of the top plate; the support base is located below the sleeve, the support base has a socket, and the support base is used to fix to the rear axle; the spring is located between the top plate and the support base; the adjusting bolt is sequentially threaded to the nut, the socket, the baffle, and the sleeve, the spring is fitted onto the adjusting bolt, and the two ends of the spring abut against the top plate and the baffle, respectively.

[0008] Furthermore, the bottom of the support base is provided with a notch, and the insertion hole extends upward through the support base from the top of the notch.

[0009] Furthermore, the top thickness of the support is greater than the sidewall thickness of the notch.

[0010] Furthermore, a retaining ring is provided between the nut and the base, the retaining ring being fitted onto the adjusting bolt, and the outer diameter of the retaining ring being larger than the notch.

[0011] Furthermore, the outer diameter of the baffle is larger than the outer diameter of the spring.

[0012] Furthermore, a welding plate is fixedly connected to the top of the sleeve, and the top surface of the welding plate is welded to the top plate.

[0013] Furthermore, the mounting plate includes an associating plate, which is perpendicular to the top plate. The associating plate has a mounting through hole for the input shaft of the rear axle of the rice transplanter to pass through. The top plate, a support base, and an adjustment assembly are respectively provided on both sides of the mounting through hole.

[0014] Furthermore, the mounting plate also includes a limiting plate, which is connected to the associated plate and / or the top plate, and the limiting plate is substantially perpendicular to the associated plate; the limiting plate faces the side of the spring.

[0015] To achieve the above objectives, this application also provides a rice transplanter, including a frame, a rear axle, a rear axle input shaft, and a rice transplanter rear axle shock absorption mechanism as described in any of the above solutions; the top plate of the mounting frame is fixedly connected to the frame, the rear axle input shaft passes through the mounting frame, and the rear axle is fixedly connected to the support seat.

[0016] Furthermore, a connecting plate is fixed to the bottom of the frame, the width of the connecting plate being greater than the width of the frame, and the mounting plate is connected to the frame through the connecting plate.

[0017] Compared with the prior art, the technical solution provided by this utility model has the following advantages:

[0018] (1) The rear axle shock absorption mechanism of the rice transplanter has a simple structure, which can perfectly adapt to the harsh working environment of the rice transplanter with a lot of mud and water. It is quick to assemble and users can quickly maintain or replace each component. When the springs are worn out, users can change the relative position of the adjusting bolts and the nuts on them to change the distance between the rear axle and the frame, so as to avoid the shock absorption function from weakening the contact between the rear frame and the rear wheel.

[0019] (2) A notch is provided at the bottom of the support base, and the insertion hole penetrates the support base from the top of the notch upwards. This notch can make the support base have a certain strength while reducing the depth of the insertion hole, further reducing the user's assembly burden.

[0020] (3) The adjustment components on both sides of the rice transplanter are matched with a mounting frame and are connected by the mounting frame plate, which not only reduces the assembly difficulty, but also further enhances the balance of the rear axle shock absorption of the rice transplanter. Attached Figure Description

[0021] The accompanying drawings, which form part of this application, are used to provide a further understanding of the application and to make other features, objects, and advantages of the application more apparent. The illustrative embodiments and descriptions of this application are used to explain the application and do not constitute an undue limitation of the application. In the drawings:

[0022] Figure 1 This is a partial structural diagram and a partially enlarged structural diagram of a rice transplanter and its rear axle shock absorption mechanism according to some embodiments of this application;

[0023] Figure 2 This is a partial cross-sectional view and a partial enlarged view of a rice transplanter and its rear axle shock absorption mechanism according to some embodiments of this application;

[0024] Figure 3 This is a schematic diagram of the mounting frame structure of a rice transplanter and its rear axle shock absorption mechanism according to some embodiments of this application;

[0025] Figure 4 This is a schematic diagram of the support structure of a rice transplanter and its rear axle shock absorption mechanism according to some embodiments of this application;

[0026] Figure 5 This is a schematic diagram of the sleeve and welded plate structure of a rice transplanter and its rear axle shock absorption mechanism according to some embodiments of this application;

[0027] Figure 6 This is a schematic diagram of the structure of a rice transplanter and its rear axle shock absorption mechanism according to some embodiments of this application;

[0028] Label Explanation:

[0029] 100. Mounting frame plate; 110. Top plate; 120. Connecting plate; 121. Mounting through hole; 130. Limiting plate;

[0030] 200, Support base; 210, Socket; 220, Notch;

[0031] 300. Adjusting assembly; 310. Spring; 320. Adjusting bolt; 330. Sleeve; 331. Welded plate; 340. Nut; 350. Baffle; 360. Retaining ring;

[0032] 400. Frame; 410. Connecting plate;

[0033] 500, rear axle. Detailed Implementation

[0034] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0035] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such use of data can be interchanged where appropriate for the embodiments of this application described herein.

[0036] In this application, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this application and its embodiments, and are not intended to limit the indicated devices, elements, or components to having a specific orientation, or to be constructed and operated in a specific orientation. Furthermore, some of the above terms may be used to indicate other meanings besides orientation or positional relationship; for example, the term "upper" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application according to the specific circumstances.

[0037] This application provides a rear axle shock absorption mechanism for a rice transplanter, such as... Figures 1 to 3 As shown, the rear axle shock absorption mechanism of the rice transplanter includes a mounting plate 100, a support base 200, and an adjustment assembly 300. The adjustment assembly 300 includes a spring 310, an adjustment bolt 320, a sleeve 330, a nut 340, and a baffle 350.

[0038] like Figure 2 , 3 As shown, the mounting plate 100 includes a top plate 110, the top of which is fixedly connected to the frame 400, and a sleeve 330 is fixedly connected to the bottom surface of the top plate 110. A support 200 is located below the sleeve 330, and the support 200 has an insertion hole 210 for fixing to the rear axle 500. A spring 310 is located between the top plate 110 and the support 200.

[0039] like Figure 2 , 3As shown, the adjusting bolt 320 is sequentially threaded to the nut 340, the socket 210, the baffle 350, and the sleeve 330. The spring 310 is fitted onto the adjusting bolt 320, with both ends of the spring 310 abutting against the top plate 110 and the baffle 350, respectively. Specifically, the sleeve 330 is inserted into the spring 310.

[0040] The aforementioned rear axle shock absorption mechanism for rice transplanters has a simple structure, which can perfectly adapt to the harsh working environment of rice transplanters with a lot of mud and water. It is also quick to assemble, and users can quickly maintain or replace each component. When the spring 310 ages, the user can change the relative position of the adjusting bolt 320 and the nut 340 on it to change the distance between the rear axle 500 and the frame 400, so as to avoid the rear frame 400 from contacting the rear wheels after the shock absorption function is weakened.

[0041] Among them, such as Figure 4 As shown, the support base 200 is the main force-bearing unit, so it must have great strength. The support base 200 is designed as a block structure with a certain height. The adjusting bolt 320 needs to pass through the support base 200 from bottom to top and cooperate with the socket 210. If the depth of the socket 210 is large, it will be very time-consuming to make the adjusting bolt 320 pass through the support base 200.

[0042] To solve the above problems, the preferred option is, such as Figure 4 As shown, a notch 220 is provided at the bottom of the support base 200, and a socket 210 extends upward through the support base 200 from the top of the notch 220. This notch 220 allows the support base 200 to have a certain strength while reducing the depth of the socket 210, further reducing the assembly burden on the user.

[0043] Specifically, the top thickness of the support 200 is greater than the side wall thickness of the notch 220 to further ensure that the support 200 has the corresponding strength performance.

[0044] Preferred, such as Figure 2 As shown, a retaining ring 360 is provided between the nut 340 and the base. The retaining ring 360 is fitted onto the adjusting bolt 320. The outer diameter of the retaining ring 360 is larger than the notch 220, making the connection of the nut 340 more stable.

[0045] Specifically, such as Figure 2 As shown, the outer diameter of the baffle 350 is larger than the outer diameter of the spring 310, thus firmly holding the spring 310 in place.

[0046] Specifically, such as Figure 5As shown, a welded plate 331 is fixedly connected to the top of the sleeve 330. The top surface of the welded plate 331 is welded to the top plate 110 to achieve a stable connection between the sleeve 330 and the top plate 110. Since the sleeve 330 needs to effectively restrict the movement of the end of the spring 310, the durability of the connection between its components is also particularly important. Compared with the solution of welding the welded plate 331 to the top plate 110, the welded structure can reduce welding defects (such as porosity, slag inclusions, cracks, etc.), thereby giving the sleeve 330 better fatigue resistance when facing the action of the spring 310.

[0047] For example, the welding plate 331 can be integrally formed with the sleeve 330, or it can be a separate structure from the welding plate 331.

[0048] Preferred, such as Figure 3 , 6 As shown, the mounting plate 100 includes a connecting plate 120, which is perpendicular to the top plate 110. The connecting plate 120 has a mounting through hole 121 for the input shaft of the rear axle 500 of the rice transplanter to pass through. The top plate 110, the support seat 200, and the adjustment component 300 are respectively provided on both sides of the mounting through hole 121 to support the frame 400.

[0049] In this way, the adjustment components 300 on both sides of the rice transplanter are matched with a mounting frame and connected by the mounting frame plate 100, which not only reduces the assembly difficulty, but also further enhances the balance of the rear axle shock absorption of the rice transplanter.

[0050] Furthermore, such as Figure 3 As shown, the mounting plate 100 also includes a limiting plate 130, which is connected to the associated plate 120 and / or the top plate 110. The limiting plate 130 is substantially perpendicular to the associated plate 120. It is worth noting that "substantially perpendicular" here means that a small deviation may exist due to assembly requirements or error issues. The limiting plate 130 faces the side of the spring 310, thereby reducing the radial movement space of the spring 310 and making the spring 310 operate stably.

[0051] In detail, the limiting plate 130 can be connected to the associated plate 120, the top plate 110, or both the associated plate 120 and the top plate 110.

[0052] As one specific implementation method, such as Figure 1As shown, this embodiment also provides a rice transplanter, including a frame 400, a rear axle 500, a rear axle input shaft, and the aforementioned rice transplanter rear axle shock absorption mechanism. Specifically, the top plate 110 of the mounting plate 100 is fixedly connected to the frame 400, the input shaft of the rear axle 500 passes through the mounting plate 100, and the rear axle 500 is fixedly connected to a support seat 200. This rear axle shock absorption mechanism is easy to adjust, and its components are easy to maintain, allowing the rice transplanter rear axle 500 to maintain a safe distance from the frame 400.

[0053] Preferred, such as Figure 1 As shown, a connecting plate 410 is fixed to the bottom of the beam of the frame 400. The width of the connecting plate 410 is greater than the width of the beam of the frame 400. The mounting plate 100 is connected to the beam of the frame 400 through the connecting plate, so that the spring 310 acts more stably on the frame 400.

[0054] For example, the beams of the frame 400 described above are crossbeams or longitudinal beams of the frame.

[0055] In this application, the terms "installation," "setup," "equipped with," "connection," "linking," and "socketing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; 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, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0056] The above are merely preferred embodiments of this application and are not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1.A rice transplanter rear axle damping mechanism, characterized in that: comprising a mounting plate, a support base and an adjusting assembly; the adjusting assembly comprises a spring, an adjusting bolt, a sleeve, a nut and a baffle; the mounting plate comprises a top plate, a top of the top plate is used for fixedly connecting with a vehicle frame, and a bottom surface of the top plate is fixedly connected with the sleeve; the support base is located at a lower side of the sleeve, the support base is formed with a insertion hole, and the support base is used for being fixed to a rear axle; the spring is located between the top plate and the support base; the adjusting bolt is threadedly connected with the nut, the insertion hole, the baffle and the sleeve in sequence, the spring is sleeved on the adjusting bolt, and two ends of the spring are respectively abutted against the top plate and the baffle. 2.The rice transplanter rear axle damping mechanism according to claim 1, characterized in that: a bottom of the support base is provided with a notch, and the insertion hole penetrates the support base upward from a top of the notch. 3.The rice transplanter rear axle damping mechanism according to claim 2, characterized in that: a top of the support base has a thickness greater than a thickness of a side wall of the notch. 4.The rice transplanter rear axle damping mechanism according to claim 2, characterized in that: a retaining ring is arranged between the nut and the support base, the retaining ring is sleeved on the adjusting bolt, and an outer diameter of the retaining ring is greater than the notch. 5.The rice transplanter rear axle damping mechanism according to claim 1, characterized in that: an outer diameter of the baffle is greater than an outer diameter of the spring. 6.The rice transplanter rear axle damping mechanism according to claim 1, characterized in that: a welding plate is fixedly connected to a top of the sleeve, and a top surface of the welding plate is welded to the top plate. 7.The rice transplanter rear axle damping mechanism according to any one of claims 1 to 6, characterized in that: the mounting plate comprises an associated plate, the associated plate is perpendicular to the top plate, the associated plate is formed with a mounting through hole, the mounting through hole is used for allowing a input shaft of the rice transplanter rear axle to pass through, and the top plate, the support base and the adjusting assembly are arranged on both sides of the mounting through hole. 8.The rice transplanter rear axle damping mechanism according to claim 7, characterized in that: the mounting plate further comprises a limiting plate, the limiting plate is connected with the associated plate and / or the top plate, the limiting plate is substantially perpendicular to the limiting plate or the associated plate, and the limiting plate faces a side of the spring. 9.A rice transplanter, characterized in that: comprising a vehicle frame, a rear axle, a rear axle input shaft and the rice transplanter rear axle damping mechanism according to any one of claims 1 to 6; the top plate of the mounting plate is fixedly connected to the vehicle frame, the rear axle input shaft passes through the mounting plate, and the rear axle is fixedly connected with the support base. 10.The rice transplanter according to claim 9, characterized in that: a connecting plate is fixed to a bottom of a beam body of the vehicle frame, a width of the connecting plate is greater than a width of the beam body of the vehicle frame, and the mounting plate is connected with the beam body of the vehicle frame through the connecting plate. ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

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