Depth adjusting device of rice transplanter
By designing a depth adjustment device for rice transplanters, and utilizing a four-bar linkage and transmission components to adjust the seedling depth, the problem of single-structure transplanters being unable to adjust depth was solved, thereby improving rice growth and yield.
Patent Information
- Application Number
- CN202422567436.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-23
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-10-23
AI Technical Summary
Many rice transplanters with a single structure cannot adjust the transplanting depth, which affects the growth, yield and disease and pest resistance of rice plants.
Design a rice transplanter depth adjustment device to achieve seedling depth adjustment through a four-bar linkage and transmission components, and improve the force and speed of seedling insertion into the soil by using the cooperation of springs and chucks.
It enables flexible adjustment of transplanting depth, promotes root development, improves plant vigor, reduces seedling drift, and increases yield.
Smart Images

Figure CN223463356U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to rice seedling depth adjustment technical field, specifically, relate to a rice transplanter depth adjusting device. BACKGROUND
[0002] The rice transplanter is a kind of agricultural machinery specially used in the mechanized transplanting operation in the rice planting process.It realizes the accurate insertion of rice seedling in paddy according to certain row spacing and plant spacing by a series of complex and precise design, which greatly reduces the labor intensity of farmers and significantly improves the transplanting efficiency.
[0003] In the rice planting process, many single-structure transplanters do not have the ability to adjust the transplanting depth, and adjusting the transplanting depth directly affects the growth and development of rice plants, yield formation and resistance to pests and diseases, and suitable transplanting depth can ensure that seedlings can quickly recover growth, promote root development and thus improve the overall robustness of plants, if the transplanting depth is too deep, the roots may be in a long-term oxygen deficiency state, leading to poor root development and weakened water and fertilizer absorption capacity, thereby affecting the normal growth of rice, if the transplanting depth is too shallow, it may lead to unstable seedling roots and cause seedlings to drift due to wind and rain, i.e., seedlings float on the water surface and cannot root in the soil, ultimately affecting yield, how to invent a rice transplanter depth adjusting device to improve these problems has become a problem to be solved by the skilled in the art. SUMMARY
[0004] In order to make up for the above shortcomings, the utility model provides a rice transplanter depth adjusting device, which aims to solve the problem that many single-structure transplanters cannot adjust the transplanting depth.
[0005] The utility model is implemented as follows:
[0006] The utility model provides a rice transplanter depth adjusting device, which includes a base, a driving shaft is rotatably connected inside the base, a balance block is fixedly connected to the end of the driving shaft, a rotating shaft is fixedly connected to the side wall of the balance block, a shell is rotatably arranged on the outer side wall of the rotating shaft, a cover plate is fixedly connected to the top of the shell, a driven rod is rotatably connected to the end of the shell, a supporting shaft is rotatably connected inside the driven rod, an extrusion block is fixedly arranged on the outer side wall of the rotating shaft, a push rod is rotatably connected to the end of the connecting rod, a bushing is fixedly connected to the inner side wall of the shell, a grabbing piece is fixedly connected to the outer side wall of the shell through a first support, the shell is provided with an adjusting assembly and a transmission assembly inside.
[0007] Preferably, the extrusion block is located inside the shell, the extrusion block is arranged in a vortex shape, and the push rod and the bushing are slidingly arranged.
[0008] Preferably, the adjusting assembly comprises a spring fixedly connected to the top of the push rod, a pressing plate fixedly connected to the top of the spring, a push plate arranged on the top of the pressing plate, two moving strips arranged inside the bushing, a moving shaft arranged inside the moving strip, and a pawl rotatably connected to the bottom of the moving shaft.
[0009] Preferably, the top of the pressing plate and the bottom of the push plate are slidingly arranged, the two opposite sliding surfaces of the pressing plate and the push plate are arranged in an inclined manner, a plurality of push springs are fixedly connected to the inner walls of the two sides of the bushing, and the plurality of push springs are fixedly connected to the outer side walls of the moving strips.
[0010] Preferably, the bottom of the push rod is fixedly connected with two insertion rods, the insertion rods are inserted into the inside of the pawl, the insertion rods and the pawl are slidingly arranged, the side of the push rod is fixedly connected with a clamping block, the moving shaft penetrates through the clamping block, the position of the moving shaft penetrating through the clamping block is relatively thin compared with the end position of the moving shaft, and the moving shaft and the clamping block are slidingly arranged in a horizontal direction.
[0011] Preferably, the transmission assembly comprises a long shaft rotatably connected to the cover plate, a driving gear sleeved on the side wall of the long shaft, a push shaft rotatably connected to the side wall of the cover plate, and two clamping blocks sleeved on the outer side wall of the long shaft.
[0012] Preferably, the end of the push shaft is meshingly arranged with the driving gear, the push plate and the push shaft are connected through a first thread, the two clamping blocks are respectively located between the top and the bottom of the two moving strips, the outer side wall of the long shaft and the two clamping blocks are connected through a second thread and a third thread, the second thread and the third thread are reversely rotatable, and the clamping blocks are arranged in a trapezoidal shape.
[0013] The utility model discloses a push plate and a push shaft are connected through a first thread, the two clamping blocks are respectively located between the top and the bottom of the two moving strips, the outer side wall of the long shaft and the two clamping blocks are connected through a second thread and a third thread, the second thread and the third thread are reversely rotatable, and the clamping blocks are arranged in a trapezoidal shape. BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the following drawings only show some of the embodiments of the present application, and should not be considered as limiting the scope. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0015] Figure 1 is a three-dimensional structure schematic diagram of a depth adjusting device for a rice transplanter provided by the embodiments of the present application;
[0016] Figure 2 is a schematic diagram of the internal structure of a shell of a depth adjusting device for a rice transplanter provided by the embodiments of the present application;
[0017] Figure 3 is a schematic diagram of the position of a clamping block of a depth adjusting device for a rice transplanter provided by the embodiments of the present application;
[0018] Figure 4 is a schematic diagram of the position of an insertion rod of a depth adjusting device for a rice transplanter provided by the embodiments of the present application;
[0019] Figure 5 is a schematic diagram of the position of a push spring of a depth adjusting device for a rice transplanter provided by the embodiments of the present application.
[0020] In the figure: 1, base; 2, driving shaft; 3, balance block; 4, rotating shaft; 5, shell; 6, cover plate; 7, driven rod; 8, support shaft; 9, extrusion block; 10, push rod; 11, connecting rod; 12, push rod; 13, bushing; 14, moving strip; 15, moving shaft; 16, clamping block; 17, clamping jaw; 18, grabbing piece; 19, spring; 20, extrusion plate; 21, push plate; 22, long shaft; 23, driving gear; 24, push shaft; 25, push spring; 26, clamping block; 27, insertion rod. DETAILED DESCRIPTION
[0021] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below 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, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0022] Embodiment, refer to Figures 1-5The utility model provides a rice transplanter depth adjusting device, including base 1, the inside rotation of base 1 is connected with driving shaft 2, the end of driving shaft 2 is fixedly connected with counterweight 3, the lateral wall of counterweight 3 is fixedly connected with rotating shaft 4, the outside wall of rotating shaft 4 is rotatably provided with shell 5, the top of shell 5 is fixedly connected with cover plate 6, the end of shell 5 is rotatably connected with driven rod 7, the inside rotation of driven rod 7 is connected with support shaft 8, the outside wall of rotating shaft 4 is fixedly provided with extrusion block 9, the inside wall of shell 5 is rotatably connected with push lever 10, the end of push lever 10 is rotatably connected with connecting rod 11, the end of connecting rod 11 is rotatably connected with push rod 12, the inside wall of shell 5 is fixedly connected with bushing 13, the outside wall of shell 5 is fixedly connected with catch piece 18 through first support, the inside of shell 5 is provided with adjusting assembly and transmission assembly, extrusion block 9 is located in the inside of shell 5, extrusion block 9 is arranged in the shape of vortex, push rod 12 and bushing 13 are slidably arranged,
[0023] Adjusting assembly includes that spring 19 is fixedly connected in the top of push lever 10, the top of spring 19 is fixedly connected with extrusion plate 20, the top of extrusion plate 20 is provided with push plate 21, the inside of bushing 13 is provided with two mobile strips 14, the inside of mobile strip 14 is provided with mobile shaft 15, the bottom of mobile shaft 15 is rotatably connected with claw 17, the top of extrusion plate 20 and the bottom of push plate 21 are slidably arranged, the two sides of extrusion plate 20 and push plate 21 are relatively slidably arranged and are arranged in the shape of inclination, the inside wall of bushing 13 is fixedly connected with a plurality of push spring 25, a plurality of push spring 25 are fixedly connected with the outside wall of mobile strip 14, the bottom of push rod 12 is fixedly connected with two insertion rods 27, insertion rod 27 is inserted into the inside of claw 17, insertion rod 27 is slidably arranged with claw 17, the side of push rod 12 is fixedly connected with clamping block 16, mobile shaft 15 penetrates clamping block 16, the position of mobile shaft 15 penetrating clamping block 16 is relatively thin to the position of the end of mobile shaft 15, mobile shaft 15 and clamping block 16 are slidably arranged in the horizontal direction, transmission assembly includes long shaft 22 rotatably connected on cover plate 6, the side wall of long shaft 22 is sleeved with driving gear 23, cover plate 6 is rotatably connected with push shaft 24, the outside wall of long shaft 22 is sleeved with two clamping blocks 26, the end of push shaft 24 is meshingly arranged with driving gear 23, push plate 21 and push shaft 24 are connected through first screw thread, two clamping blocks 26 are located between the top and bottom of two mobile strips 14 respectively, the outside wall of long shaft 22 and two clamping blocks 26 are connected through second screw thread and third screw thread respectively, second screw thread and third screw thread are arranged in the shape of reverse rotation, clamping block 26 is arranged in the shape of trapezoidal body.
[0024] The working principle of the depth adjusting device of the rice transplanter is as follows: the base 1, the balance block 3, the shell 5 and the driven rod 7 form a four-bar linkage mechanism, the balance block 3 is rotated by rotating the driving shaft 2, further making the grabbing piece 18 on the shell 5 make up-and-down reciprocating motion for grabbing the rice seedlings, the balance block 3 is rotated to rotate the rotating shaft 4, the rotating shaft 4 drives the vortex extrusion block 9 to extrude one end of the poking rod 10, the other end of the poking rod 10 is lifted, the connecting rod 11 and the pushing rod 12 are lifted, the pushing rod 12 drives the moving shaft 15 to lift through the clamping block 16, so that the two clamping jaws 17 are lifted and the spring 19 is stored, when the extrusion block 9 is rotated to be separated from the poking rod 10, the stored force of the spring 19 is rebounded instantaneously, the connecting rod 11, the pushing rod 12, the clamping block 16, the moving shaft 15 and the clamping jaw 17 are pushed downward, the clamping jaw 17 pops the seedling at the end of the grabbing piece 18 into the soil, and the process of transplanting is realized; when the depth of the seedling is needed to be adjusted, the long shaft 22 is rotated, the long shaft 22 drives the pushing shaft 24 to rotate through the driving gear 23, the pushing plate 21 is moved away from the long shaft 22, the pushing plate 21 extrudes the extrusion plate 20 below, the spring 19 is extruded by the extrusion block 9, and the spring 19 has greater elasticity when the spring 19 is extruded and stored, the force and speed of the clamping jaw 17 for pushing the seedling are improved, and the seedling is more deeply inserted into the soil; the long shaft 22 is rotated, the second screw thread and the third screw thread are opposite, the two clamping blocks 26 are moved towards each other, the two moving strips 14 are reversely moved, the two moving shafts 15 are reversely moved, the two clamping jaws 17 are reversely moved through the fixed position of the inserting rod 27, the end of the moving shaft 15 is moved towards each other, the distance between the two clamping jaws 17 is smaller when the seedling is pushed, the effect of clamping the seedling is improved, the elasticity of the spring 19 is improved, and the seedling is protected from stronger impact.
[0025] It should be noted that the specific model and specifications of the motor need to be selected and determined according to the actual specifications of the device, and the specific selection calculation method adopts the existing technology in the art, so it will not be described in detail.
[0026] The preferred embodiments of the utility model have been described above, and are not used to limit the utility model. For those skilled in the art, the utility model can be changed and varied in various ways. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.
Claims
1. A depth adjustment device for a rice transplanter comprising a base (1), characterized in that, The inside of the base (1) is rotatably connected with a driving shaft (2), the end of the driving shaft (2) is fixedly connected with a balance block (3), the side wall of the balance block (3) is fixedly connected with a rotating shaft (4), the outer side wall of the rotating shaft (4) is rotatably provided with a shell (5), the top of the shell (5) is fixedly connected with a cover plate (6), the end of the shell (5) is rotatably connected with a driven rod (7), the inside of the driven rod (7) is rotatably connected with a supporting shaft (8), the outer side wall of the rotating shaft (4) is fixedly provided with an extrusion block (9), the inner side wall of the shell (5) is rotatably connected with a lever (10), the end of the lever (10) is rotatably connected with a connecting rod (11), the end of the connecting rod (11) is rotatably connected with a push rod (12), the inner side wall of the shell (5) is fixedly connected with a bushing (13), the outer side wall of the shell (5) is fixedly connected with a grabbing piece (18) through a first support, and the inside of the shell (5) is provided with an adjusting assembly and a transmission assembly.
2. The depth adjustment device for a rice transplanter according to claim 1, wherein The extrusion block (9) is located in the inside of the shell (5), the extrusion block (9) is provided in a vortex shape, and the push rod (12) and the bushing (13) are slidably arranged.
3. The depth adjustment device for a rice transplanter according to claim 1, wherein The adjusting assembly comprises a spring (19) fixedly connected to the top of the lever (10), the top of the spring (19) is fixedly connected with an extrusion plate (20), the top of the extrusion plate (20) is provided with a push plate (21), the inside of the bushing (13) is provided with two moving strips (14), the inside of the moving strip (14) is provided with a moving shaft (15), and the bottom of the moving shaft (15) is rotatably connected with a clamping jaw (17).
4. The depth adjustment device for a rice transplanter according to claim 3, wherein The top of the extrusion plate (20) is slidably arranged with the bottom of the push plate (21), the two opposite sliding surfaces of the extrusion plate (20) and the push plate (21) are both arranged in an inclined manner, the inner walls of the two sides of the bushing (13) are both fixedly connected with a plurality of push springs (25), and the outer side walls of the plurality of push springs (25) are fixedly connected with the moving strips (14).
5. The depth adjustment device for a rice transplanter according to claim 3, wherein The bottom of the push rod (12) is fixedly connected with two insertion rods (27), the insertion rods (27) are inserted into the inside of the clamping jaw (17), the insertion rods (27) are slidably arranged with the clamping jaw (17), the side of the push rod (12) is fixedly connected with a clamping block (16), the moving shaft (15) penetrates through the clamping block (16), the position of the moving shaft (15) penetrating through the clamping block (16) is relatively thin compared with the end position of the moving shaft (15), and the moving shaft (15) and the clamping block (16) are slidably arranged in a horizontal direction.
6. The depth adjustment device for a rice transplanter according to claim 4, wherein The transmission assembly comprises a long shaft (22) rotatably connected to the cover plate (6), the side wall of the long shaft (22) is sleeved with a driving gear (23), the side wall of the cover plate (6) is rotatably connected with a push shaft (24), and the outer side wall of the long shaft (22) is sleeved with two clamping blocks (26).
7. The depth adjustment device for a rice transplanter according to claim 6, wherein The end of the push shaft (24) is engaged with the driving gear (23), the push plate (21) is connected with the push shaft (24) through the first thread, the two clamping blocks (26) are respectively arranged between the top and bottom of the two moving strips (14), the outer wall of the long shaft (22) is connected with the two clamping blocks (26) through the second thread and the third thread, the second thread and the third thread are arranged in opposite rotation, and the clamping block (26) is arranged in a trapezoidal body shape.