Articulated splicing floating platform lotus root digging machine

Abstract

The invention discloses a hinged type splicable floating platform lotus root digging machine, and particularly relates to the technical field of lotus root digging, the hinged type splicable floating platform lotus root digging machine comprises a multidirectional lotus root digging anti-winding assembly, the multidirectional lotus root digging anti-winding assembly comprises a crank, a hydraulic motor, a connecting shaft, a swing arm and a hinged shaft, the crank is fixedly connected to the output end of the outer wall of the hydraulic motor, and the connecting shaft is hinged to the upper surface of the crank; the hydraulic motor is used for driving the crank to rotate the coupling shaft; the swing arm is rotationally mounted on the outer wall of the connecting shaft, and a hinge shaft is rotationally connected to the position, away from the connecting shaft, of the inner wall of the swing arm. The multi-directional lotus root digging anti-winding assembly has the advantages that sludge is scoured in an inclined state, straw and duckweed blocking is obviously avoided aiming at the working problem of a lotus root field, the situation that a traditional machine sinks easily is prevented, and the lotus root digging efficiency is greatly improved, so that the problems that the lotus root field is easily blocked by straw and duckweed, the traditional machine sinks easily, and the labor intensity is low are solved. Manual harvesting is depended on, and the efficiency is low.

Description

Technical Field

[0001] The present invention relates to the technical field of lotus root digging, and more particularly to an articulated lotus root digging machine with a splicable floating platform. Background Art

[0002] A lotus root digging machine is an agricultural machinery equipment specially used for harvesting lotus roots in paddy fields or shallow water areas. Its core function is to replace traditional manual digging with mechanized operations, significantly improving harvesting efficiency, reducing labor intensity, and reducing damage to lotus roots.

[0003] In existing public literature, patent publication number CN208029454U discloses a lotus root digging machine. This technology uses a water tank to be rotatably connected to a buoy via an angle adjuster. The fuel tank and operating panel are both connected to the engine, which supplies fuel to the engine. The engine's output shaft is connected to the drive shaft of a mud pump, and the mud pump's water outlet is connected to the water tank. High-pressure nozzles are evenly distributed at the lower end of the water tank, and a battery powers the entire lotus root digging machine. The beneficial effects of this utility model are easy maintenance, controllable travel speed, and good lotus root digging effect; however, this patent has the following drawbacks.

[0004] When digging lotus roots, a floating platform lotus root digger needs to use a pump to pressurize the water to flush and dig the lotus roots. However, most of the lotus roots are dug with fire pumps, which are easily blocked by straw and duckweed in the lotus field. Some crawler self-propelled lotus root harvesters are heavy and have poor performance in the lotus field. Lotus roots grow in deep silt environments, and traditional machinery is prone to sinking. They rely on manual harvesting and are inefficient. Summary of the Invention

[0005] In order to overcome the above-mentioned defects of the prior art, the present invention provides the following technical solutions: an articulated and splicable floating platform lotus root digging machine, comprising a support frame, a hydraulic motor is fixedly mounted on one side of the outer wall of the support frame, and a multi-directional lotus root digging anti-entanglement component is provided on the outer wall of the output end of the hydraulic motor, the multi-directional lotus root digging anti-entanglement component comprising:

[0006] A crank is fixedly connected to the output end of the outer wall of the hydraulic motor, and a coupling shaft is hinged on the upper surface of the crank. The hydraulic motor is used to drive the crank to rotate the coupling shaft;

[0007] A swing arm is rotatably mounted on the outer wall of the connecting shaft, and a hinge shaft is rotatably connected to the inner wall of the swing arm at a position away from the connecting shaft. The lower surface of the hinge shaft is fixedly connected to an articulated frame, and the articulated frame is used to drive the articulated frame to rotate horizontally. One end of the articulated frame is hinged to a hinge rod, and the other end of the articulated frame is hinged to the support frame.

[0008] The support frame is fixedly connected to one side of the hinged rod. A water divider is provided below the support frame, and a plurality of inclined nozzles are fixedly connected to the lower surface of the water divider. Two sets of displacement components are installed on the inner wall of the support frame, and the displacement components are used to drive the plurality of inclined nozzles to move back and forth vertically.

[0009] In a preferred embodiment, the articulated frame is placed horizontally and tilted, and the articulated rod and the articulated frame are both made of stainless steel.

[0010] In a preferred embodiment, the displacement component includes:

[0011] Multiple upper lifting arms are hinged on the inner wall of the support frame, the inner wall of the upper lifting arm is hinged with a threaded sleeve, the inner wall of the threaded sleeve is threadedly connected to a screw, the outer wall of the screw has two threads opposite and symmetrically arranged, one end of the screw is installed with a reduction motor, the outer wall of the reduction motor is fixedly connected to the support frame, the reduction motor is used to drive the screw to rotate, and the screw drives the two threaded sleeves to approach each other;

[0012] A lower lifting arm is hingedly mounted on the outer wall of the upper lifting arm, wherein a slide is hingedly mounted on the lower surface of the lower lifting arm, and the slide is used for guiding and sliding on the inner wall of the support frame;

[0013] The linkage frame is fixedly connected to the lower surface of the slide, the two linkage frames are symmetrically arranged about the middle of the slide, the linkage frame is fixedly connected to the water divider, and the linkage frame is used to guide sliding on the inner wall of the support frame.

[0014] In a preferred embodiment, the outer surface of the threaded sleeve passes through the lower lifting arm and is hinged, and the upper lifting arm and the lower lifting arm are both made of stainless steel.

[0015] In a preferred embodiment, a splicing and cleaning assembly is installed on the inner wall of the support frame, and the splicing and cleaning assembly includes:

[0016] Two main units are fixedly mounted on the inner wall of the support frame. Two buoyancy columns are fixedly connected to the lower surface of the main unit. A docking ear seat is fixedly connected to one side of the main unit. A support ear seat is fixedly connected to the outer wall of the support frame near the middle thereof. A connecting rod is hinged between two adjacent docking ear seats. Multiple water pumps are provided between two adjacent buoyancy columns. The output end of the water pump is fixedly connected to an output pipe. The output pipe is connected to the water distributor through a hose.

[0017] The water inlet pipe is fixedly installed on the input end of the water pump. A linkage shaft is rotatably installed inside the output end of the water pump. A plurality of blades are fixedly connected to the outer wall of the linkage shaft near the bottom end thereof.

[0018] In a preferred embodiment, the interior of the buoyancy column is a cavity, and the outer wall of the buoyancy column is a smooth surface.

[0019] In a preferred embodiment, the plurality of blades are arranged equidistantly around the circumference, and the outer walls of the blades are smooth.

[0020] In a preferred embodiment, a sleeve rod is fixedly connected to the outer wall of the support frame near its four corner lines, and a hand screw rod is threadedly connected to the inner wall of the sleeve rod. A moving wheel is rotatably installed at the bottom end of the hand screw rod, and the moving wheel is slidably connected to the sleeve rod.

[0021] In a preferred embodiment, the plurality of sleeve rods are arranged in a rectangular distribution, and the sleeve rods and the hand-cranked screw rods are both made of stainless steel.

[0022] In a preferred embodiment, the plurality of hand-cranked screw rods are arranged in a rectangular distribution, and the plurality of moving wheels are arranged in a rectangular distribution.

[0023] Technical effects and advantages of the present invention:

[0024] 1. The present invention uses a multi-directional lotus root digging anti-entanglement component, a support frame to support the hydraulic motor, and the linkage of the crank and the connecting shaft components to enable multiple inclined nozzles to achieve left and right reciprocating lateral movement, which can effectively flush the silt in an inclined state. It has obvious advantages in addressing the difficulties in lotus field operations and avoids the problem of straw and duckweed clogging. Compared with some crawler self-propelled lotus root harvesters, it does not rely on heavy machines, improves the lotus field passing performance, can overcome the deep mud environment where lotus roots grow, prevents the traditional machinery from sinking easily, and gets rid of the dilemma of low efficiency of traditional manual harvesting. It achieves efficient operation by flushing the silt in an inclined state, greatly improving the efficiency of digging lotus roots.

[0025] 2. The present invention adopts a displacement component, and the reduction motor drives the screw to rotate. Under the thread transmission, the two threaded sleeves approach each other. This action makes the bottom end of the upper lifting arm approach laterally, and the bottom end of the lower lifting arm drives the slide to move downward along the internal guide of the support frame. The slide drives the linkage frame and the water distributor downward in turn, and finally allows multiple inclined nozzles to tilt downward to flush the silt, which can effectively flush impurities and silt outward, avoid roots and stems from being entangled in the water inlet of the water pipe, and create good conditions for the subsequent operation of removing the lotus root.

[0026] 3. The present invention uses splicing cleaning components. The support frame can be docked with other support frames through supporting ears. The main units are spliced ​​with connecting rods, which is convenient for flexible assembly. The gasoline engine drives the water pump to make water pass through the water inlet pipe and the outlet pipe to the water distributor, and then sprayed out by the inclined nozzle for flushing. At the same time, the impeller shaft of the water pump drives the linkage shaft and the blade to rotate, which can break the stem impurities in the water, effectively prevent the hydraulic motor from being blocked, and improve the working efficiency and reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the articulated and splicable floating platform lotus root digging machine of the present invention.

[0028] Figure 2 This is a schematic diagram of the partial structure of the connection between the support frame and the hydraulic motor of the present invention.

[0029] Figure 3 It is a schematic diagram of a partial structure of the connection between the hinged frame and the hinged rod of the present invention.

[0030] Figure 4 It is a schematic diagram of the local structure of the connection between the support frame and the hinged rod of the present invention.

[0031] Figure 5 For the present invention Figure 4 Enlarged structural diagram at point A in the middle.

[0032] Figure 6 It is a schematic diagram of the partial structure of the connection between the linkage frame and the support frame of the present invention.

[0033] Figure 7 This is a schematic diagram of the structure of the articulated and splicable floating platform lotus root digging machine of the present invention when viewed from above.

[0034] Figure 8 This is a schematic diagram of the partial structure of the connection between the main unit and the water pump of the present invention.

[0035] The accompanying drawings are marked as follows: 1. support frame; 2. hydraulic motor; 3. crank; 4. connecting shaft; 5. swing arm; 6. articulated shaft; 7. articulated frame; 8. articulated rod; 9. support frame; 10. upper lifting arm; 11. threaded sleeve; 12. screw; 13. reduction motor; 14. lower lifting arm; 15. slide; 16. linkage frame; 17. water distributor; 18. inclined nozzle; 19. main machine; 20. buoyancy column; 21. connecting rod; 22. water pump; 23. output pipe; 24. water inlet pipe; 25. linkage shaft; 26. blade; 27. sleeve rod; 28. hand screw; 29. ​​moving wheel; 30. docking ear seat; 31. supporting ear seat. DETAILED DESCRIPTION

[0036] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0037] As attached Figure 1 - Attachment Figure 8The figure shows an articulated and splicable floating platform lotus root digging machine, which is equipped with a multi-directional lotus root digging anti-entanglement component, a displacement component and a splicing cleaning component. The setting of each component can avoid the problem of straw and duckweed clogging. Compared with some crawler self-propelled lotus root harvesters, it does not rely on heavy whole machines, improves the lotus field passability, can overcome the deep mud environment where lotus roots grow, prevents the traditional machinery from sinking easily, and gets rid of the dilemma of low efficiency of traditional manual harvesting. It achieves efficient operation by flushing silt in an inclined state, greatly improving the efficiency of digging lotus roots. The specific structural settings of each component are as follows.

[0038] In this embodiment, as shown in the attached Figure 1 - Attachment Figure 4 As shown, the multi-directional lotus root digging anti-entanglement assembly includes: a crank 3, fixedly connected to the output end of the outer wall of the hydraulic motor 2, the upper surface of the crank 3 is hinged with a connecting shaft 4, and the hydraulic motor 2 is used to drive the crank 3 to rotate the connecting shaft 4; a swing arm 5, rotatably mounted on the outer wall of the connecting shaft 4, and the inner wall of the swing arm 5 and the position away from the connecting shaft 4 are rotatably connected to the hinge shaft 6, the lower surface of the hinge shaft 6 is fixedly connected to the hinge frame 7, and the hinge shaft 6 is used to drive the hinge frame 7 to rotate horizontally, one end of the hinge frame 7 is hinged to the hinge rod 8, and the other end of the hinge frame 7 is hinged to the support frame 1; a support frame 9, fixedly connected to one side of the hinge rod 8, a water distributor 17 is provided below the support frame 9, and a plurality of oblique nozzles 18 are fixedly connected to the lower surface of the water distributor 17, and two sets of displacement assemblies are installed on the inner wall of the support frame 9, and the displacement assemblies are used to drive the plurality of oblique nozzles 18 to move back and forth vertically. The hinge frame 7 is placed horizontally and tilted, and the hinge rod 8 and the hinge frame 7 are both made of stainless steel. So that the hydraulic motor 2 can drive the crank 3 to rotate counterclockwise and then clockwise through the existing public technology of hydraulic equipment, and the connecting shaft 4 drives the swing arm 5 to move back and forth horizontally, so that the articulated shaft 6 drives one of the articulated frames 7 to move back and forth horizontally, the articulated rod 8 drives the support frame 9 to move back and forth horizontally, and the support frame 9 drives the linkage frame 16 to move back and forth horizontally, so that the water distributor 17 drives multiple inclined nozzles 18 to move back and forth horizontally, and the flushing moves outward, thereby expanding the flushing to avoid the accumulation of stem impurities, and the stem impurities are dispersed over a wider range.

[0039] In this embodiment, as shown in the attached Figure 4 - Attachment Figure 6As shown, the displacement assembly includes: multiple upper lifting arms 10, all of which are hinged on the inner wall of the support frame 9, the inner wall of the upper lifting arm 10 is hinged with a threaded sleeve 11, the inner wall of the threaded sleeve 11 is threadedly connected to a screw 12, the outer wall threads of the screw 12 are opposite and symmetrically arranged, one end of the screw 12 is installed with a reduction motor 13, the outer wall of the reduction motor 13 is fixedly connected to the support frame 1, the reduction motor 13 is used to drive the screw 12 to rotate, and the screw 12 drives the two threaded sleeves 11 close to each other; a lower lifting arm 14 is hingedly mounted on the outer wall of the upper lifting arm 10, and the lower surface of the lower arm 14 is hinged with a slide 15, which is used to guide sliding on the inner wall of the support frame 9; a linkage frame 16 is fixedly connected to the lower surface of the slide 15, the two linkage frames 16 are symmetrically arranged about the middle part of the slide 15, the linkage frame 16 is fixedly connected to the water divider 17, and the linkage frame 16 is used to guide sliding on the inner wall of the support frame 9. The outer surface of the threaded sleeve 11 extends through the lower lifting arm 14 and is hingedly connected. Both the upper lifting arm 10 and the lower lifting arm 14 are made of stainless steel. The reduction motor 13 drives the screw 12 to rotate. The two threaded sleeves 11 are then driven closer together by the threaded force, and the bottom ends of the two upper lifting arms 10 move laterally closer to each other. The bottom end of the lower lifting arm 14 drives the slide 15 downward, and the slide 15 drives the linkage frame 16 downward, ensuring that the water distributor 17 drives the multiple inclined nozzles 18 downward to flush the silt. The inclined downward movement covers a wider range of scouring, and the stem impurities in the water are dispersed and diverted over a wider range.

[0040] In this embodiment, as shown in the attached Figure 7 - Attachment Figure 8As shown, the inner wall of the support frame 1 is mounted with a splicing cleaning assembly. The splicing cleaning assembly comprises: two main units 19, each fixedly mounted on the inner wall of the support frame 1. Two buoyancy columns 20 are fixedly connected to the lower surface of the main units 19. A docking lug 30 is fixedly connected to one side of the main units 19. A support lug 31 is fixedly connected to the outer wall of the support frame 1 near its center. A connecting rod 21 is hingedly connected between adjacent docking lugs 30. Multiple water pumps 22 are installed between adjacent buoyancy columns 20. The output ends of the water pumps 22 are fixedly connected to output pipes 23, which are connected to the water distributor 17 via a flexible hose. A water inlet pipe 24 is fixedly mounted on the input end of the water pump 22. A linkage shaft 25 is rotatably mounted within the output end of the water pump 22. Multiple blades 26 are fixedly connected to the outer wall of the linkage shaft 25 near its bottom end. The interior of the buoyancy columns 20 is hollow, and the outer wall of the buoyancy columns 20 is smooth. The multiple blades 26 are arranged equidistantly around the circumference, and the outer walls of the blades 26 are smooth. In order to facilitate the support frame 1 to drive the main unit 19 to move the buoyancy column 20 and achieve floating on the water surface, the gasoline engine assembled on the support frame 1 is an existing public device that drives the output end of the water pump 22 for transmission, so that water is sucked from the inside of the water inlet pipe 24 into the output pipe 23. After the water is pressurized, it is transported by the water distributor 17 to the positions of multiple inclined nozzles 18, and the linkage shaft 25 will drive the multiple blades 26 to rotate, so that the blades 26 rotate to crush the stem impurities in the water. In this way, water can be transported and the stem impurities in the water can be cut and crushed.

[0041] In this embodiment, as shown in the attached Figure 1 As shown, sleeve rods 27 are fixedly connected to the outer wall of the support frame 1 near its four corners. A hand screw 28 is threadedly connected to the inner wall of the sleeve rod 27. A movable wheel 29 is rotatably mounted at the bottom end of the hand screw 28, and the movable wheel 29 is slidably connected to the sleeve rod 27. Multiple sleeve rods 27 are arranged in a rectangular pattern, and both the sleeve rods 27 and the hand screw 28 are made of stainless steel. Multiple hand screws 28 are arranged in a rectangular pattern, and multiple movable wheels 29 are arranged in a rectangular pattern. This allows the hand screw 28 and sleeve rods 27 to move downward under the force of the thread transmission, thereby opening the gap between the movable wheel 29 and the lower surface of the support frame 1. The support frame 1 drives the main unit 19 to move the buoyancy column 20, and the output pipe 23 is connected to the pipe of the water distributor 17 through a pipe.

[0042] The working principle of the articulated and splicable floating platform lotus root digging machine of the present invention is as follows:

[0043] First, during the splicing operation of the present invention, the support ears 31 on the support frame 1 are installed and docked with other support frames 1, and the docking ears 30 between the two main units 19 can be spliced ​​and installed through the connecting rod 21. The support frame 1 is moved, and the support frame 1 drives the two main units 19 to move. The support frame 1 drives the multiple sleeve rods 27 to move, and the sleeve rods 27 drive the hand screw 28 to move, and the sleeve rods 27 cause the moving wheel 29 to move. By rotating the hand screw 28, the hand screw 28 and the sleeve rod 27 move downward under the action of the thread transmission force, and the sleeve rod 27 squeezes the moving wheel 29, so that the gap between the moving wheel 29 and the lower surface of the support frame 1 is increased. This facilitates increasing the moving height of the support frame 1. The support frame 1 drives the main unit 19 to move the buoyancy column 20, which floats on the water surface, and the output pipe 23 is connected to the pipe of the water distributor 17 through the pipe.

[0044] The gasoline engine mounted on the support frame 1 drives the output end of the water pump 22, which draws water from the inlet pipe 24 into the outlet pipe 23. The water is then transported from the outlet pipe 23 to the water distributor 17, where it is delivered to multiple tilted nozzles 18. Simultaneously, the impeller shaft of the water pump 22 rotates a linkage shaft 25, which in turn rotates multiple blades 26. These blades 26 break up stems and impurities in the water, preventing clogging of the hydraulic motor 2.

[0045] Secondly, when the present invention performs multi-directional lotus root digging and anti-entanglement, the hydraulic motor 2 is supported by the support frame 1, and the hydraulic motor 2 drives the crank 3 to rotate counterclockwise and then clockwise. The crank 3 drives the connecting shaft 4 to rotate back and forth, the connecting shaft 4 drives the swing arm 5 to move back and forth horizontally, the swing arm 5 drives the articulated shaft 6 to move back and forth horizontally, and the articulated shaft 6 drives one of the articulated frames 7 to move back and forth horizontally. The articulated frame 7 drives the articulated rod 8 to move back and forth horizontally, the articulated rod 8 drives the support frame 9 to move back and forth horizontally, and the support frame 9 drives the linkage frame 16 to move back and forth horizontally. The linkage frame 16 drives the water distributor 17 to move back and forth horizontally, and the water distributor 17 drives multiple oblique nozzles 18 to move back and forth horizontally, so that the multiple oblique nozzles 18 can effectively flush away the silt.

[0046] At the same time, when the present invention performs the displacement assembly, the reduction motor 13 drives the screw 12 to rotate, and the screw 12 drives the two threaded sleeves 11 to move closer to each other under the action of the thread transmission force. The threaded sleeve 11 drives the bottom end of the upper lifting arm 10 to move horizontally, and the bottom ends of the two upper lifting arms 10 are close to each other, and the threaded sleeve 11 drives the bottom end of the lower lifting arm 14 to move downward. The bottom end of the lower lifting arm 14 drives the slide 15 to move downward, and the slide 15 moves downward along the internal guide of the support frame 9. At the same time, the slide 15 drives the linkage frame 16 to move downward, and the linkage frame 16 drives the water distributor 17 to move downward. The water distributor 17 drives multiple inclined nozzles 18 to move downward. The inclined nozzles 18 move downward to flush the silt, flushing out impurities and silt, preventing the roots from being entangled in the water inlet of the water inlet pipe 24. In this way, the lotus roots can be flushed and removed.

[0047] Finally, when the present invention is used for collection, a large amount of lotus roots float up, so that the lotus roots can be collected, taken out and placed on other equipment after being collected.

[0048] The contents not described in detail in the specification belong to the existing technology known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited, and conventional equipment can be used. In this technical solution, the electrical control components not mentioned are not shown in the figure because they belong to the existing technology and are not described here.

[0049] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An articulated and splicable floating platform lotus root digging machine, comprising a support frame (1), characterized in that: A hydraulic motor (2) is fixedly mounted on one side of the outer wall of the support frame (1), and a multi-directional lotus root digging and anti-entanglement component is provided on the outer wall of the output end of the hydraulic motor (2), and the multi-directional lotus root digging and anti-entanglement component comprises: A crank (3) is fixedly connected to the output end of the outer wall of the hydraulic motor (2); a coupling shaft (4) is hingedly connected to the upper surface of the crank (3); and the hydraulic motor (2) is used to drive the crank (3) to rotate the coupling shaft (4); A swing arm (5) is rotatably mounted on the outer wall of the connecting shaft (4); an inner wall of the swing arm (5) is rotatably connected to a hinge shaft (6) at a position away from the connecting shaft (4); a lower surface of the hinge shaft (6) is fixedly connected to a hinge frame (7); the hinge shaft (6) is used to drive the hinge frame (7) to rotate horizontally; one end of the hinge frame (7) is hinged to a hinge rod (8), and the other end of the hinge frame (7) is hinged to the support frame (1); A support frame (9) is fixedly connected to one side of the hinge rod (8); a water distributor (17) is provided below the support frame (9); and a plurality of oblique nozzles (18) are fixedly connected to the lower surface of the water distributor (17); two groups of displacement components are installed on the inner wall of the support frame (9); and the displacement components are used to drive the plurality of oblique nozzles (18) to move back and forth vertically.

2. The articulated, splicable floating platform lotus root digging machine according to claim 1, characterized in that: The hinged frame (7) is placed horizontally and tilted, and the hinged rod (8) and the hinged frame (7) are both made of stainless steel.

3. The articulated, splicable floating platform lotus root digging machine according to claim 1, characterized in that: The displacement component includes: A plurality of upper lifting arms (10) are hinged on the inner wall of the support frame (9), the inner wall of the upper lifting arm (10) is hinged with a threaded sleeve (11), the inner wall of the threaded sleeve (11) is threadedly connected to a screw rod (12), the outer wall of the screw rod (12) has two threads opposite to each other and symmetrically arranged, one end of the screw rod (12) is installed with a reduction motor (13), the outer wall of the reduction motor (13) is fixedly connected to the support frame (1), the reduction motor (13) is used to drive the screw rod (12) to rotate, and the screw rod (12) drives the two threaded sleeves (11) to approach each other; A lower lifting arm (14) is hingedly mounted on the outer wall of the upper lifting arm (10), and a slide (15) is hingedly mounted on the lower surface of the lower lifting arm (14), and the slide (15) is used for guiding and sliding on the inner wall of the support frame (9); A linkage frame (16) is fixedly connected to the lower surface of the slide (15), two linkage frames (16) are symmetrically arranged about the middle of the slide (15), the linkage frame (16) is fixedly connected to the water distributor (17), and the linkage frame (16) is used for guiding sliding on the inner wall of the support frame (9).

4. The articulated, splicable floating platform lotus root digging machine according to claim 3, characterized in that: The outer surface of the threaded sleeve (11) passes through the lower lifting arm (14) and is hinged. The upper lifting arm (10) and the lower lifting arm (14) are both made of stainless steel.

5. The articulated, splicable floating platform lotus root digging machine according to claim 1, characterized in that: The inner wall of the support frame (1) is provided with a splicing and cleaning assembly, and the splicing and cleaning assembly comprises: Two main machines (19) are fixedly mounted on the inner wall of the support frame (1); two buoyancy columns (20) are fixedly connected to the lower surface of the main machine (19); a docking ear seat (30) is fixedly connected to one side of the main machine (19); a support ear seat (31) is fixedly connected to the outer wall of the support frame (1) near the middle thereof; a connecting rod (21) is hinged between two adjacent docking ear seats (30); a plurality of water pumps (22) are provided between two adjacent buoyancy columns (20); an output end of the water pump (22) is fixedly connected to an output pipe (23); and the output pipe (23) is connected to the water distributor (17) via a hose. The water inlet pipe (24) is fixedly mounted on the input end of the water pump (22); a linkage shaft (25) is rotatably mounted inside the output end of the water pump (22); and a plurality of blades (26) are fixedly connected to the outer wall of the linkage shaft (25) near its bottom end.

6. The articulated, splicable floating platform lotus root digging machine according to claim 5, characterized in that: The interior of the buoyancy column (20) is a cavity, and the outer wall of the buoyancy column (20) is a smooth surface.

7. The articulated, splicable floating platform lotus root digging machine according to claim 5, characterized in that: The plurality of blades (26) are arranged in a circumferentially equidistant distribution pattern, and the outer walls of the blades (26) are smooth.

8. The articulated, splicable floating platform lotus root digging machine according to claim 1, characterized in that: The outer wall of the support frame (1) and the positions near the four corner lines thereof are all fixedly connected with sleeve rods (27); the inner wall of the sleeve rod (27) is threadedly connected with a hand screw rod (28); the bottom end of the hand screw rod (28) is rotatably mounted with a moving wheel (29); the moving wheel (29) is slidably connected to the sleeve rod (27).

9. The articulated, splicable floating platform lotus root digging machine according to claim 8, characterized in that: The plurality of sleeve rods (27) are arranged in a rectangular distribution pattern, and the sleeve rods (27) and the hand-cranked screw rod (28) are both made of stainless steel.

10. The articulated, splicable floating platform lotus root digging machine according to claim 8, characterized in that: The plurality of hand-cranked screw rods (28) are arranged in a rectangular distribution, and the plurality of moving wheels (29) are arranged in a rectangular distribution.

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