Rice seedling depth self-adjusting device of rice transplanter

By designing a self-adjusting device for the seedling depth of a rice transplanter, and utilizing components such as a power transmission rod and a return spring, the automatic adjustment of the seedling depth is achieved, solving the problem of the transplanter's inability to adjust, and improving the survival rate of seedlings and planting results.

CN223745265UActive Publication Date: 2026-01-02LUAN JINDA INTELLIGENT AGRI MASCH EQUIP CO LTD
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Patent Information

Application Number
CN202520106621.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-17
Publication Date
2026-01-02
Estimated Expiration
2035-01-17

AI Technical Summary

Technical Problem

Existing rice transplanters have a fixed structure and cannot adjust the depth of seedling insertion, resulting in seedlings not being able to be inserted into the soil layer suitable for growth, causing losses.

Method used

A self-adjusting device for the seedling insertion depth of a rice transplanter was designed. Through the combination of a power transmission rod, a power arm, a return spring, and a limit plate, the device can automatically adjust the insertion depth of the seedlings to ensure that the seedlings are inserted at the appropriate depth.

Benefits of technology

This improved the planting effect of rice seedlings, prevented seedlings from being inserted too deep or too shallow, and enhanced the applicability of the rice transplanter and the survival rate of the seedlings.

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Abstract

The utility model discloses a rice transplanter seedling depth self-adjusting device, which relates to the technical field of transplanters and comprises a mounting rack, a power transmission rod is arranged in the mounting rack, first power arms are arranged on two sides of the front end of the power transmission rod, and the front ends of the first power arms are rotatably connected with second power arms. A seedling transplanting inclined rod is fixedly connected to the front end of the second power arm, a supporting rod is fixedly connected to the lower end of the second power arm, and a limiting disc is arranged at the lower end of the supporting rod. When the seedling transplanting device is used for transplanting seedlings, enough force is provided to enable the seedlings to be inserted into soil, so that when the seedling transplanting device works, the seedling transplanting device enters the soil through the limiting disc to reach a position suitable for transplanting the seedlings, the seedling transplanting inclined rod can enable the seedlings to be inserted into the proper soil depth, and the first power arm and the second power arm rotate through the return spring; the seedling transplanting inclined rods cannot enable the seedlings to be wound into the soil too deep, so that the planting effect of the seedlings is improved.
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Description

Technical Field

[0001] This utility model relates to the field of rice transplanter technology, and in particular to a self-adjusting device for the seedling depth of a rice transplanter. Background Technology

[0002] The existing rice transplanter has a fixed structure and cannot adapt to the insertion depth of the seedlings. It can only insert rice seedlings to the same depth. However, different locations in the same paddy field will have different depths. Although the difference is not large, it will still cause the seedlings to fail to be inserted into the soil layer suitable for growth, resulting in the seedlings not surviving and causing a lot of losses. Utility Model Content

[0003] This utility model discloses a self-adjusting device for the seedling depth of a rice transplanter, aiming to solve the technical problem that existing rice transplanters have a fixed structure and cannot adapt to the insertion depth of seedlings. They can only insert rice seedlings to the same depth, while different locations in the same paddy field will have different depths. Although the difference is not large, it will still cause the seedlings to fail to be inserted into the soil layer suitable for growth, resulting in the seedlings not surviving and causing a lot of losses.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A rice transplanter seedling depth self-adjustment device includes a mounting frame. A power transmission rod is located inside the mounting frame. First power arms are located on both sides of the front end of the power transmission rod. A second power arm is rotatably connected to the front end of each first power arm. A transplanting slant rod is fixedly connected to the front end of each second power arm. A support rod is fixedly connected to the lower end of the second power arm. A limiting plate is located at the lower end of the support rod. A hollow circular block is fixedly connected to one side of each first power arm. A first rod is fixedly connected inside the second power arm. A return spring is located on the outer side of the first rod. One side of the return spring is fixedly connected to the inner wall of the hollow circular block.

[0006] Preferably, a second rod is rotatably connected to one side of the first rod, and a polygonal block is slidably connected inside the first rod and the second rod. A rotating rod is fixedly connected to one side of the polygonal block, and a first spring is sleeved on the rod wall inside the second rod. One side of the return spring is fixedly connected to the second rod.

[0007] Preferably, a rotating block is fixedly connected to one side of the rotating rod;

[0008] Preferably, a ball is fixedly connected to the lower end of the support rod, and the inside of the limiting plate is movably connected to the outside of the ball;

[0009] Preferably, the front end bottom of the first power arm is convexly arranged and located at the rear end bottom of the second power arm.

[0010] Preferably, the upper end of the limiting disc is arc-shaped.

[0011] As can be seen, the rice transplanter seedling depth self-adjusting device has the advantages that the seedling can be inserted into the soil with sufficient force during transplanting, so that the seedling enters the soil to the position suitable for transplanting when working, the seedling insertion inclined rod can make the seedling be inserted into the soil to a proper depth, the first power arm and the second power arm are rotated by the return spring, the seedling is prevented from being entangled in the soil too deep by the seedling insertion inclined rod, and the planting effect of the seedling is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical solutions of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only illustrate the present application, and other drawings can also be obtained by those skilled in the art without creative effort on the basis of these drawings.

[0013] Figure 1 The overall structure schematic diagram of the rice transplanter seedling depth self-adjusting device is provided.

[0014] Figure 2 The local structure schematic diagram of the rice transplanter seedling depth self-adjusting device is provided.

[0015] Figure 3 The internal structure schematic diagram of the rice transplanter seedling depth self-adjusting device is provided.

[0016] Figure 4 The internal structure schematic diagram of the rice transplanter seedling depth self-adjusting device is provided. Figure 3 The enlarged structure schematic diagram of the middle A is provided.

[0017] In the figure: 1, power transmission rod; 2, mounting frame; 3, first power arm; 4, second power arm; 5, seedling insertion inclined rod; 6, support rod; 7, limiting disc; 8, spherical ball; 9, hollow circular block; 10, first rod; 11, second rod; 12, return spring; 13, polygonal block; 14, rotating rod; 15, first spring. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solutions and advantages of the present application more clear, the present application will be further described in detail in combination with specific embodiments.

[0019] It should be noted that, unless otherwise defined, technical terms or scientific terms used in the present application should be understood as the usual meaning understood by a person with ordinary skills in the field to which the present application belongs. In the present application, "first", "second" and similar words do not represent any order, quantity or importance, but are only used to distinguish different components. "Include" or "contain" and similar words mean that the elements or objects before the word cover the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connected" or "connected" and similar words are not limited to physical or mechanical connection, but can include electrical connection, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to represent relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0020] Referring to Figures 1-4 A rice transplanter seedling depth self-adjusting device, comprising a mounting frame 2, the inside of the mounting frame 2 is provided with a power transmission rod 1 for transmitting power required during work, the front end of the power transmission rod 1 is provided with a first power arm 3 on both sides, the front end of the first power arm 3 is rotatably connected with a second power arm 4, the front end of the second power arm 4 is fixedly connected with a transplanting inclined rod 5, the second power arm 4 is moved by the first power arm 3, and the transplanting work is realized through the transplanting inclined rod 5, the lower end of the second power arm 4 is fixedly connected with a supporting rod 6, the lower end of the supporting rod 6 is provided with a limiting disc 7, the second power arm 4 is moved downward to drive the supporting rod 6 to move, so that the limiting disc 7 moves downward, the limiting disc 7 contacts with the soil when moving downward, one side of the first power arm 3 is fixedly connected with a hollow round block 9, the inside of the second power arm 4 is fixedly connected with a first rod 10, the outside of the first rod 10 is provided with a return spring 12, the second power arm 3 has a rotating force relative to the first power arm 3 through the return spring 12, one side of the return spring 12 is fixedly connected with the inner wall of the hollow round block 9, the upper end of the limiting disc 7 is arc-shaped, which can avoid a large amount of soil from staying on the upper end of the limiting disc 7;

[0021] When working, the rotating first power arm 3 of the power transmission rod 1 starts to move, the power arm 3 drives the second power arm 4 to move, so that the rice seedling insertion inclined rod 5 realizes the rice seedling insertion work, and the support rod 6 is driven to move when the second power arm 4 moves, so that the lower end limiting disc 7 is in contact with the lower end soil, and it needs to be explained that the limiting disc 7 can enter the relatively rotten soil to reach the suitable soil position for planting, when the soil position is relatively high, the first power arm 3 cannot drive the second power arm 4 to move, and the second power arm 4 rotates relative to the first power arm 4, and it needs to be explained that the initial state of the return spring 12 is that the force between the second power arm 4 and the first power arm has a certain rotating force, so that there is enough force to make the seedling insert into the soil when the rice seedling is inserted, so that the limiting disc 7 enters the soil to reach the suitable position for rice seedling insertion when working, so that the rice seedling insertion inclined rod 5 can make the seedling insert into the suitable soil depth, and the first power arm 3 and the second power arm 4 are rotated by the return spring 12, so that the rice seedling insertion inclined rod 5 cannot make the seedling entangled in the soil too deep, thereby improving the planting effect of the seedling.

[0022] Referring to Figure 3 and Figure 4 , one side of the first rod 10 is rotatably connected with the second rod 11, and the inside of the first rod 10 and the second rod 11 are slidably connected with the polygonal block 13, when the polygonal block 13 is located in the inside of the first rod 10 and the second rod 11 at the same time, the first rod 10 and the second rod 11 can be synchronously rotated, one side of the polygonal block 13 is fixedly connected with the rotating rod 14, the rod wall of the rotating rod 14 is sleeved with the first spring 15 at the inside position of the second rod 11, the first spring 15 has a certain thrust force on the polygonal block 13, one side of the return spring 12 is fixedly connected with the second rod 11, and one side of the rotating rod 14 is fixedly connected with the rotating block;

[0023] When working, according to the requirement of the soil depth required to be entangled, the rotating rod 14 is pulled, the rotating rod 14 drives the polygonal block 13 to separate from the first rod 10, and then the rotating rod 14 is rotated again, the second rod 11 is driven to rotate, so that the return spring 12 is deformed, so that the rotating force of the second power arm 4 changes, so that the working requirement can be adjusted appropriately when working, and the applicability of the device is improved.

[0024] Referring to Figure 2 , the lower end of the support rod 6 is fixedly connected with the spherical ball 8, and the inside of the limiting disc 7 is movably connected with the outside of the spherical ball 8, the spherical ball 8 is arranged, so that the limiting disc 7 can rotate by an angle, and then it can better adhere to the soil.

[0025] Referring to Figure 2 and Figure 3, the front end bottom of the first power arm 3 is protrudingly arranged at the rear end bottom of the second power arm 4, so that the first power arm 3 limits the counterclockwise rotation of the second power arm 4.

[0026] Working principle: when working, the rotation of the power transmission rod 1 makes the first power arm 3 start to move, the first power arm 3 drives the second power arm 4 to move, so that the seedling inserting inclined rod 5 realizes the seedling inserting work, the second power arm 4 drives the supporting rod 6 to move when moving, so that the limiting disc 7 at the lower end contacts the soil at the lower end, it needs to be explained that the limiting disc 7 can enter the relatively rotten soil and reach the soil position suitable for planting, when the soil position is relatively high, the first power arm 3 cannot drive the second power arm 4 to move, the second power arm 4 rotates relative to the first power arm 4, it needs to be explained that the initial state of the return spring 12 is that the second power arm 4 and the first power arm have a certain rotating force, so that the seedling is inserted into the soil during the seedling inserting, so that the limiting disc 7 enters the soil and reaches the position suitable for seedling inserting during working, so that the seedling inserting inclined rod 5 can make the seedling be inserted into the appropriate soil depth, the first power arm 3 and the second power arm 4 are rotated through the return spring 12, so that the seedling inserting inclined rod 5 cannot make the seedling be entangled in the soil too deep, thereby improving the planting effect of the seedling;

[0027] Further, according to the requirement of the entanglement depth in the soil, the rotating rod 14 is pulled, the rotating rod 14 drives the polygonal block 13 to be separated from the first rod 10, then the rotating rod 14 is rotated again, the second rod 11 is driven to rotate, so that the return spring 12 is deformed, so that the rotating force of the second power arm 4 is changed, so that the working requirement can be adjusted appropriately during working, and the applicability of the device is improved.

[0028] Those skilled in the art will understand that the discussion of any of the above embodiments is merely exemplary and is not intended to limit the scope of the present application (including claims) to these examples; the above embodiments or technical features in different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the present application as described above, which are not provided in detail for the sake of brevity.

[0029] The present application is intended to cover all such alternatives, modifications and variations as fall within the broad scope of the appended claims. Accordingly, any and all such modifications, variations, alternatives and equivalents should be considered as falling within the scope of the present application.

Claims

1. A rice transplanter seedling depth self-adjusting device, comprising a mounting frame (2), characterized in that, The inside of the mounting frame (2) is provided with a power transmission rod (1), the front end of the power transmission rod (1) is provided with a first power arm (3) on both sides, the front end of the first power arm (3) is rotatably connected with a second power arm (4), the front end of the second power arm (4) is fixedly connected with a transplanter inclined rod (5), the lower end of the second power arm (4) is fixedly connected with a supporting rod (6), the lower end of the supporting rod (6) is provided with a limiting disc (7), one side of the first power arm (3) is fixedly connected with a hollow round block (9), the inside of the second power arm (4) is fixedly connected with a first rod (10), the outside of the first rod (10) is provided with a return spring (12), one side of the return spring (12) is fixedly connected with the inner wall of the hollow round block (9).

2. The rice transplanter seedling depth self-adjusting device according to claim 1, wherein One side of the first rod (10) is rotatably connected with a second rod (11), the inside of the first rod (10) and the second rod (11) is slidably connected with a polygonal block (13), one side of the polygonal block (13) is fixedly connected with a rotating rod (14), the rod wall of the rotating rod (14) is sleeved with a first spring (15) in the inside of the second rod (11), one side of the return spring (12) is fixedly connected with the second rod (11).

3. The rice transplanter seedling depth self-adjusting device according to claim 2, characterized in that, One side of the rotating rod (14) is fixedly connected with a rotating block.

4. The rice transplanter seedling depth self-adjusting device according to claim 1, wherein The lower end of the supporting rod (6) is fixedly connected with a spherical ball (8), the inside of the limiting disc (7) is movably connected with the outside of the spherical ball (8).

5. The rice transplanter seedling depth self-adjusting device according to claim 1, wherein The front end bottom of the first power arm (3) is convexly arranged, and is located at the rear end bottom of the second power arm (4).

6. The rice transplanter seedling depth self-adjusting device according to claim 1, wherein The upper end of the limiting disc (7) is arc-shapedly arranged.